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Hello, kernel test robot noticed a 14.7% regression of sysbench-fileio.write_operations/s on: commit: c87c299776e4d75bcc5559203ae2c37dc0396d80 ("btrfs: make buffered write to copy one page a time") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master [still regression on linus/master 72deda0abee6e705ae71a93f69f55e33be5bca5c] [still regression on linux-next/master a13f6e0f405ed0d3bcfd37c692c7d7fa3c052154] testcase: sysbench-fileio config: x86_64-rhel-9.4 compiler: gcc-12 test machine: 224 threads 2 sockets Intel(R) Xeon(R) Platinum 8480CTDX (Sapphire Rapids) with 512G memory parameters: period: 600s nr_threads: 100% disk: 1SSD fs: btrfs size: 64G filenum: 1024f rwmode: seqrewr iomode: sync cpufreq_governor: performance In addition to that, the commit also has significant impact on the following tests: +------------------+----------------------------------------------------------------------------------------------------+ | testcase: change | iozone: iozone.average_KBps 14.1% regression | | test machine | 224 threads 4 sockets Intel(R) Xeon(R) Platinum 8380H CPU @ 2.90GHz (Cooper Lake) with 192G memory | | test parameters | cpufreq_governor=performance | | | disk=2HDD | | | fs=btrfs | | | iosched=kyber | +------------------+----------------------------------------------------------------------------------------------------+ | testcase: change | sysbench-fileio: sysbench-fileio.write_operations/s 4.9% regression | | test machine | 128 threads 2 sockets Intel(R) Xeon(R) Gold 6338 CPU @ 2.00GHz (Ice Lake) with 256G memory | | test parameters | cpufreq_governor=performance | | | disk=1SSD | | | filenum=1024f | | | fs=btrfs | | | iomode=sync | | | nr_threads=100% | | | period=600s | | | rwmode=rndrw | | | size=64G | +------------------+----------------------------------------------------------------------------------------------------+ | testcase: change | iozone: iozone.average_KBps 18.5% regression | | test machine | 8 threads 1 sockets Intel(R) Core(TM) i7-7700 CPU @ 3.60GHz (Kaby Lake) with 32G memory | | test parameters | cpufreq_governor=performance | | | disk=2HDD | | | fs=btrfs | | | iosched=kyber | +------------------+----------------------------------------------------------------------------------------------------+ If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-lkp/202501311641.4c5b6a89-lkp@intel.com Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20250131/202501311641.4c5b6a89-lkp@intel.com ========================================================================================= compiler/cpufreq_governor/disk/filenum/fs/iomode/kconfig/nr_threads/period/rootfs/rwmode/size/tbox_group/testcase: gcc-12/performance/1SSD/1024f/btrfs/sync/x86_64-rhel-9.4/100%/600s/debian-12-x86_64-20240206.cgz/seqrewr/64G/lkp-spr-2sp4/sysbench-fileio commit: b1c5f6eda2 ("btrfs: fix wrong sizeof in btrfs_do_encoded_write()") c87c299776 ("btrfs: make buffered write to copy one page a time") b1c5f6eda2d024c1 c87c299776e4d75bcc5559203ae ---------------- --------------------------- %stddev %change %stddev \ | \ 1.206e+08 ± 3% -18.7% 98090038 cpuidle..usage 8809 -20.5% 7002 numa-meminfo.node0.Dirty 8794 ± 2% -15.2% 7456 ± 2% numa-meminfo.node1.Dirty 755.83 ± 4% -17.0% 627.17 ± 3% perf-c2c.DRAM.remote 792.83 ± 3% -18.8% 643.67 ± 5% perf-c2c.HITM.local 552.17 ± 4% -18.1% 452.33 ± 3% perf-c2c.HITM.remote 0.04 -0.0 0.03 mpstat.cpu.all.iowait% 0.37 -0.0 0.33 mpstat.cpu.all.irq% 0.53 ± 2% -0.1 0.44 mpstat.cpu.all.usr% 43.83 ± 26% +234.6% 146.67 ±128% mpstat.max_utilization.seconds 1160794 -14.8% 988926 vmstat.io.bo 0.13 ± 11% -31.6% 0.09 ± 8% vmstat.procs.b 456556 ± 3% -21.6% 357945 vmstat.system.cs 163016 ± 2% -12.3% 142938 vmstat.system.in 1578539 ± 2% -10.4% 1414861 meminfo.Active 1578539 ± 2% -10.4% 1414861 meminfo.Active(anon) 1697671 ± 2% -9.8% 1530850 meminfo.Committed_AS 17686 -18.2% 14475 meminfo.Dirty 95391 ± 2% -10.0% 85818 meminfo.Mapped 913745 ± 4% -18.2% 747380 meminfo.Shmem 0.00 ± 2% +9.5% 0.00 ± 3% sched_debug.cpu.next_balance.stddev 608241 ± 3% -21.4% 478145 sched_debug.cpu.nr_switches.avg 646818 ± 3% -21.4% 508164 ± 2% sched_debug.cpu.nr_switches.max 532758 ± 3% -17.3% 440538 ± 2% sched_debug.cpu.nr_switches.min 19886 ± 28% -36.5% 12627 ± 20% sched_debug.cpu.nr_switches.stddev -274.21 -31.7% -187.41 sched_debug.cpu.nr_uninterruptible.min 26.06 ± 7% -26.7% 19.11 ± 3% sched_debug.cpu.nr_uninterruptible.stddev 81034600 -15.7% 68320589 numa-vmstat.node0.nr_dirtied 2207 -20.7% 1749 ± 2% numa-vmstat.node0.nr_dirty 80930247 -15.7% 68231458 numa-vmstat.node0.nr_written 2259 -19.8% 1812 ± 2% numa-vmstat.node0.nr_zone_write_pending 82238139 -13.9% 70798598 numa-vmstat.node1.nr_dirtied 2197 ± 2% -15.1% 1866 ± 2% numa-vmstat.node1.nr_dirty 82132807 -13.9% 70703118 numa-vmstat.node1.nr_written 2251 ± 2% -14.4% 1927 ± 2% numa-vmstat.node1.nr_zone_write_pending 645057 -14.7% 550297 sysbench-fileio.fsync_operations/s 0.29 +20.7% 0.35 sysbench-fileio.latency_avg_ms 1.226e+08 +3.7% 1.272e+08 sysbench-fileio.latency_sum_ms 1.302e+09 -14.8% 1.11e+09 sysbench-fileio.time.file_system_outputs 180192 -33.5% 119806 sysbench-fileio.time.involuntary_context_switches 670.70 ± 2% -18.9% 544.20 sysbench-fileio.time.user_time 1.325e+08 ± 3% -21.5% 1.04e+08 sysbench-fileio.time.voluntary_context_switches 1031 -14.7% 879.86 sysbench-fileio.write_bytes_MB/s 983.70 -14.7% 839.10 sysbench-fileio.write_bytes_MiB/s 62956 -14.7% 53702 sysbench-fileio.write_operations/s 394604 ± 2% -10.4% 353701 proc-vmstat.nr_active_anon 1.632e+08 -14.8% 1.391e+08 proc-vmstat.nr_dirtied 4419 -18.5% 3601 proc-vmstat.nr_dirty 17631641 -2.5% 17190907 proc-vmstat.nr_file_pages 16495708 -2.4% 16096490 proc-vmstat.nr_inactive_file 24134 ± 2% -9.9% 21747 proc-vmstat.nr_mapped 228424 ± 4% -18.2% 186851 proc-vmstat.nr_shmem 78821 -1.6% 77556 proc-vmstat.nr_slab_reclaimable 133365 -1.5% 131337 proc-vmstat.nr_slab_unreclaimable 1.63e+08 -14.8% 1.389e+08 proc-vmstat.nr_written 394604 ± 2% -10.4% 353701 proc-vmstat.nr_zone_active_anon 16495708 -2.4% 16096490 proc-vmstat.nr_zone_inactive_file 4525 -17.6% 3727 proc-vmstat.nr_zone_write_pending 30527244 -5.8% 28755813 proc-vmstat.numa_hit 30295172 -5.8% 28523961 proc-vmstat.numa_local 30893826 -5.8% 29101927 proc-vmstat.pgalloc_normal 2308405 -2.1% 2259963 proc-vmstat.pgfault 12985154 -11.4% 11500128 proc-vmstat.pgfree 7.015e+08 -14.9% 5.971e+08 proc-vmstat.pgpgout 1.68 -22.2% 1.30 perf-stat.i.MPKI 7.758e+09 +6.5% 8.26e+09 perf-stat.i.branch-instructions 0.31 -0.0 0.27 perf-stat.i.branch-miss-rate% 23527694 -5.1% 22326808 perf-stat.i.branch-misses 40.53 -2.4 38.18 perf-stat.i.cache-miss-rate% 63433996 -16.2% 53141183 perf-stat.i.cache-misses 1.571e+08 -10.9% 1.399e+08 perf-stat.i.cache-references 458350 ± 3% -21.7% 359103 perf-stat.i.context-switches 4.18 -8.6% 3.82 perf-stat.i.cpi 2164 ± 2% -24.4% 1636 perf-stat.i.cpu-migrations 2494 +17.5% 2932 perf-stat.i.cycles-between-cache-misses 3.791e+10 +7.6% 4.08e+10 perf-stat.i.instructions 0.24 +9.2% 0.26 perf-stat.i.ipc 2.05 ± 3% -21.6% 1.61 perf-stat.i.metric.K/sec 3593 -2.1% 3517 perf-stat.i.minor-faults 3593 -2.1% 3517 perf-stat.i.page-faults 2086 ± 44% +40.7% 2934 perf-stat.overall.cycles-between-cache-misses 0.20 ± 44% +31.6% 0.26 perf-stat.overall.ipc 6.464e+09 ± 44% +27.6% 8.246e+09 perf-stat.ps.branch-instructions 3.158e+10 ± 44% +29.0% 4.073e+10 perf-stat.ps.instructions 1.902e+13 ± 44% +29.0% 2.454e+13 perf-stat.total.instructions 0.02 ± 48% -100.0% 0.00 perf-sched.sch_delay.avg.ms.__cond_resched.__kmalloc_noprof.btrfs_buffered_write.btrfs_do_write_iter.vfs_write 0.01 ± 37% -100.0% 0.00 perf-sched.sch_delay.avg.ms.__cond_resched.kmem_cache_alloc_noprof.alloc_extent_state.__clear_extent_bit.btrfs_dirty_pages 0.01 ±109% +297.5% 0.05 ± 46% perf-sched.sch_delay.avg.ms.__cond_resched.kmem_cache_alloc_noprof.alloc_extent_state.__set_extent_bit.__lock_extent 0.01 ± 7% +182.3% 0.03 ± 70% perf-sched.sch_delay.avg.ms.schedule_hrtimeout_range_clock.ep_poll.do_epoll_wait.__x64_sys_epoll_wait 0.01 ± 28% +89.5% 0.02 ± 21% perf-sched.sch_delay.avg.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.btrfs_inode_lock 0.01 ± 33% +62.1% 0.02 ± 20% perf-sched.sch_delay.avg.ms.schedule_timeout.kcompactd.kthread.ret_from_fork 0.01 ± 6% +27.3% 0.01 ± 17% perf-sched.sch_delay.avg.ms.wait_log_commit.btrfs_sync_log.btrfs_sync_file.do_fsync 0.09 ± 58% -100.0% 0.00 perf-sched.sch_delay.max.ms.__cond_resched.__kmalloc_noprof.btrfs_buffered_write.btrfs_do_write_iter.vfs_write 0.01 ± 76% -100.0% 0.00 perf-sched.sch_delay.max.ms.__cond_resched.kmem_cache_alloc_noprof.alloc_extent_state.__clear_extent_bit.btrfs_dirty_pages 0.02 ±117% +592.0% 0.14 ± 15% perf-sched.sch_delay.max.ms.__cond_resched.kmem_cache_alloc_noprof.alloc_extent_state.__set_extent_bit.__lock_extent 0.01 ± 16% +48.1% 0.01 ± 13% perf-sched.total_sch_delay.average.ms 4.41 ± 5% +17.9% 5.20 perf-sched.total_wait_and_delay.average.ms 880525 ± 4% -19.8% 706480 perf-sched.total_wait_and_delay.count.ms 4047 ± 4% +7.2% 4337 ± 4% perf-sched.total_wait_and_delay.max.ms 4.40 ± 5% +17.8% 5.19 perf-sched.total_wait_time.average.ms 4047 ± 4% +7.2% 4337 ± 4% perf-sched.total_wait_time.max.ms 5.16 ± 49% +134.3% 12.08 ± 4% perf-sched.wait_and_delay.avg.ms.__cond_resched.__alloc_pages_noprof.alloc_pages_mpol_noprof.folio_alloc_noprof.__filemap_get_folio 8.68 ± 18% -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.__cond_resched.__kmalloc_noprof.btrfs_buffered_write.btrfs_do_write_iter.vfs_write 1.05 ± 5% +21.2% 1.27 ± 2% perf-sched.wait_and_delay.avg.ms.futex_wait_queue.__futex_wait.futex_wait.do_futex 0.39 ± 28% +48.2% 0.58 ± 6% perf-sched.wait_and_delay.avg.ms.io_schedule.folio_wait_bit_common.extent_write_cache_pages.btrfs_writepages 0.58 ± 3% +19.8% 0.69 ± 2% perf-sched.wait_and_delay.avg.ms.io_schedule.folio_wait_bit_common.folio_wait_writeback.__filemap_fdatawait_range 67.10 ± 11% +20.8% 81.09 ± 8% perf-sched.wait_and_delay.avg.ms.schedule_hrtimeout_range_clock.do_poll.constprop.0.do_sys_poll 4.47 ± 8% +38.8% 6.20 ± 4% perf-sched.wait_and_delay.avg.ms.schedule_preempt_disabled.rwsem_down_read_slowpath.down_read.btrfs_tree_read_lock_nested 1.46 ± 5% +54.4% 2.25 perf-sched.wait_and_delay.avg.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.btrfs_inode_lock 61.72 ± 2% +15.6% 71.35 ± 2% perf-sched.wait_and_delay.avg.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm 6.33 ± 60% +228.9% 20.83 ± 29% perf-sched.wait_and_delay.count.__cond_resched.__alloc_pages_noprof.alloc_pages_mpol_noprof.folio_alloc_noprof.__filemap_get_folio 7.00 ± 36% -100.0% 0.00 perf-sched.wait_and_delay.count.__cond_resched.__kmalloc_noprof.btrfs_buffered_write.btrfs_do_write_iter.vfs_write 1.33 ±103% +500.0% 8.00 ± 33% perf-sched.wait_and_delay.count.__cond_resched.kmem_cache_alloc_noprof.alloc_extent_state.__set_extent_bit.set_extent_bit 650805 ± 4% -18.3% 532014 ± 2% perf-sched.wait_and_delay.count.futex_wait_queue.__futex_wait.futex_wait.do_futex 12453 ± 66% -68.1% 3974 ± 6% perf-sched.wait_and_delay.count.io_schedule.folio_wait_bit_common.extent_write_cache_pages.btrfs_writepages 16632 -9.6% 15027 perf-sched.wait_and_delay.count.io_schedule.folio_wait_bit_common.folio_wait_writeback.__filemap_fdatawait_range 223.00 ± 7% -16.4% 186.50 ± 3% perf-sched.wait_and_delay.count.schedule_hrtimeout_range_clock.do_poll.constprop.0.do_sys_poll 6825 ± 13% -39.9% 4101 ± 4% perf-sched.wait_and_delay.count.schedule_preempt_disabled.rwsem_down_read_slowpath.down_read.btrfs_tree_read_lock_nested 148676 ± 3% -22.5% 115290 perf-sched.wait_and_delay.count.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.btrfs_inode_lock 28226 ± 2% -24.6% 21281 perf-sched.wait_and_delay.count.worker_thread.kthread.ret_from_fork.ret_from_fork_asm 16.83 ± 19% -100.0% 0.00 perf-sched.wait_and_delay.max.ms.__cond_resched.__kmalloc_noprof.btrfs_buffered_write.btrfs_do_write_iter.vfs_write 11.97 ± 73% +84.7% 22.10 ± 12% perf-sched.wait_and_delay.max.ms.__cond_resched.kmem_cache_alloc_noprof.alloc_extent_state.__set_extent_bit.__lock_extent 436.82 ± 20% +100.2% 874.40 ± 41% perf-sched.wait_and_delay.max.ms.schedule_preempt_disabled.rwsem_down_read_slowpath.down_read.btrfs_tree_read_lock_nested 3947 ± 7% +9.9% 4337 ± 4% perf-sched.wait_and_delay.max.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm 5.78 ± 23% +108.3% 12.05 ± 4% perf-sched.wait_time.avg.ms.__cond_resched.__alloc_pages_noprof.alloc_pages_mpol_noprof.folio_alloc_noprof.__filemap_get_folio 8.65 ± 18% -100.0% 0.00 perf-sched.wait_time.avg.ms.__cond_resched.__kmalloc_noprof.btrfs_buffered_write.btrfs_do_write_iter.vfs_write 6.45 ± 33% -100.0% 0.00 perf-sched.wait_time.avg.ms.__cond_resched.kmem_cache_alloc_noprof.alloc_extent_state.__clear_extent_bit.btrfs_dirty_pages 1.04 ± 5% +21.1% 1.27 ± 2% perf-sched.wait_time.avg.ms.futex_wait_queue.__futex_wait.futex_wait.do_futex 0.38 ± 29% +49.3% 0.57 ± 6% perf-sched.wait_time.avg.ms.io_schedule.folio_wait_bit_common.extent_write_cache_pages.btrfs_writepages 0.57 ± 3% +19.7% 0.68 ± 2% perf-sched.wait_time.avg.ms.io_schedule.folio_wait_bit_common.folio_wait_writeback.__filemap_fdatawait_range 67.10 ± 11% +20.8% 81.09 ± 8% perf-sched.wait_time.avg.ms.schedule_hrtimeout_range_clock.do_poll.constprop.0.do_sys_poll 4.46 ± 8% +38.8% 6.19 ± 4% perf-sched.wait_time.avg.ms.schedule_preempt_disabled.rwsem_down_read_slowpath.down_read.btrfs_tree_read_lock_nested 1.45 ± 5% +54.2% 2.23 perf-sched.wait_time.avg.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.btrfs_inode_lock 2.66 ± 11% +64.1% 4.36 ± 20% perf-sched.wait_time.avg.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.btrfs_tree_lock_nested 61.65 ± 2% +15.6% 71.25 ± 2% perf-sched.wait_time.avg.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm 16.78 ± 19% -100.0% 0.00 perf-sched.wait_time.max.ms.__cond_resched.__kmalloc_noprof.btrfs_buffered_write.btrfs_do_write_iter.vfs_write 11.71 ± 35% -100.0% 0.00 perf-sched.wait_time.max.ms.__cond_resched.kmem_cache_alloc_noprof.alloc_extent_state.__clear_extent_bit.btrfs_dirty_pages 11.96 ± 73% +84.3% 22.05 ± 12% perf-sched.wait_time.max.ms.__cond_resched.kmem_cache_alloc_noprof.alloc_extent_state.__set_extent_bit.__lock_extent 8.34 ±118% -99.8% 0.02 ± 26% perf-sched.wait_time.max.ms.irqentry_exit_to_user_mode.asm_sysvec_reschedule_ipi.[unknown].[unknown] 436.82 ± 20% +100.2% 874.39 ± 41% perf-sched.wait_time.max.ms.schedule_preempt_disabled.rwsem_down_read_slowpath.down_read.btrfs_tree_read_lock_nested 3947 ± 7% +9.9% 4337 ± 4% perf-sched.wait_time.max.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm *************************************************************************************************** lkp-cpl-4sp2: 224 threads 4 sockets Intel(R) Xeon(R) Platinum 8380H CPU @ 2.90GHz (Cooper Lake) with 192G memory ========================================================================================= compiler/cpufreq_governor/disk/fs/iosched/kconfig/rootfs/tbox_group/testcase: gcc-12/performance/2HDD/btrfs/kyber/x86_64-rhel-9.4/debian-12-x86_64-20240206.cgz/lkp-cpl-4sp2/iozone commit: b1c5f6eda2 ("btrfs: fix wrong sizeof in btrfs_do_encoded_write()") c87c299776 ("btrfs: make buffered write to copy one page a time") b1c5f6eda2d024c1 c87c299776e4d75bcc5559203ae ---------------- --------------------------- %stddev %change %stddev \ | \ 0.04 +0.0 0.04 mpstat.cpu.all.sys% 40964 ± 3% +7.0% 43827 ± 4% proc-vmstat.nr_dirty 0.02 ± 24% -44.0% 0.01 ± 28% perf-sched.sch_delay.max.ms.rcu_gp_kthread.kthread.ret_from_fork.ret_from_fork_asm 0.01 ± 13% +58.1% 0.01 ± 31% perf-sched.sch_delay.max.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.kernel_clone 0.27 ±100% +0.4 0.63 ± 14% perf-profile.calltrace.cycles-pp.btrfs_buffered_write.btrfs_do_write_iter.vfs_write.ksys_write.do_syscall_64 0.27 ±100% +0.4 0.64 ± 14% perf-profile.calltrace.cycles-pp.btrfs_do_write_iter.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.02 ±141% +0.1 0.07 ± 9% perf-profile.children.cycles-pp.__set_extent_bit 0.47 ± 17% +0.2 0.64 ± 14% perf-profile.children.cycles-pp.btrfs_do_write_iter 0.47 ± 16% +0.2 0.64 ± 14% perf-profile.children.cycles-pp.btrfs_buffered_write 0.00 +0.2 0.19 ± 12% perf-profile.children.cycles-pp.btrfs_dirty_page 8.90 -20.5% 7.08 ± 2% perf-stat.i.MPKI 1.064e+08 ± 3% +14.3% 1.216e+08 ± 5% perf-stat.i.branch-instructions 1.28 -0.1 1.19 perf-stat.i.branch-miss-rate% 1.81 ± 3% -10.2% 1.63 ± 7% perf-stat.i.cpi 5.341e+08 ± 3% +16.2% 6.207e+08 ± 5% perf-stat.i.instructions 0.71 +9.9% 0.78 ± 2% perf-stat.i.ipc 7.43 ± 2% -14.9% 6.33 ± 3% perf-stat.overall.MPKI 2.32 ± 2% -0.3 2.00 perf-stat.overall.branch-miss-rate% 2.27 ± 4% -13.9% 1.95 ± 10% perf-stat.overall.cpi 0.44 ± 4% +17.4% 0.52 ± 11% perf-stat.overall.ipc 1.065e+08 ± 3% +14.3% 1.217e+08 ± 5% perf-stat.ps.branch-instructions 5.344e+08 ± 3% +16.3% 6.213e+08 ± 5% perf-stat.ps.instructions 6.376e+11 ± 3% +16.3% 7.418e+11 ± 5% perf-stat.total.instructions 547682 -19.4% 441519 iozone.1024KB_1024reclen 9289660 ± 4% -56.1% 4074847 ± 3% iozone.1024KB_1024reclen.frewrite 9534843 ± 2% -58.2% 3984832 ± 9% iozone.1024KB_1024reclen.fwrite 9727700 -56.4% 4238772 iozone.1024KB_1024reclen.random_write 9313595 ± 11% -56.0% 4100693 ± 7% iozone.1024KB_1024reclen.record_rewrite 9071064 ± 2% -55.6% 4029397 ± 2% iozone.1024KB_1024reclen.rewrite 5545889 ± 5% -38.4% 3417573 ± 7% iozone.1024KB_1024reclen.write 9138260 ± 16% -50.9% 4488992 ± 10% iozone.1024KB_128reclen.frewrite 9022424 ± 20% -49.9% 4522108 ± 7% iozone.1024KB_128reclen.fwrite 12348031 ± 4% -64.5% 4384741 ± 11% iozone.1024KB_128reclen.random_write 16709932 ± 16% -72.5% 4599273 ± 2% iozone.1024KB_128reclen.record_rewrite 9044907 ± 19% -55.9% 3989041 ± 9% iozone.1024KB_128reclen.rewrite 564089 ± 3% -16.0% 473576 ± 11% iozone.1024KB_16reclen 16140082 ± 2% -15.4% 13659650 ± 16% iozone.1024KB_16reclen.freread 5887139 ± 6% -38.9% 3596343 ± 9% iozone.1024KB_16reclen.frewrite 6083099 ± 5% -39.5% 3678883 ± 9% iozone.1024KB_16reclen.fwrite 6863248 ± 3% -41.8% 3993986 ± 5% iozone.1024KB_16reclen.random_write 8481271 ± 11% -48.8% 4338945 iozone.1024KB_16reclen.record_rewrite 6338652 ± 7% -41.3% 3718553 ± 12% iozone.1024KB_16reclen.rewrite 5183726 -29.7% 3646659 ± 12% iozone.1024KB_16reclen.write 10171037 ± 17% -51.1% 4972505 ± 10% iozone.1024KB_256reclen.frewrite 9256319 ± 19% -46.9% 4918317 ± 10% iozone.1024KB_256reclen.fwrite 11925920 ± 9% -60.1% 4762105 ± 4% iozone.1024KB_256reclen.random_write 16492322 ± 28% -73.2% 4423732 ± 8% iozone.1024KB_256reclen.record_rewrite 8888014 ± 23% -50.9% 4366373 ± 2% iozone.1024KB_256reclen.rewrite 672876 ± 2% -19.2% 543796 ± 5% iozone.1024KB_32reclen 7406374 ± 5% -45.8% 4014327 ± 5% iozone.1024KB_32reclen.frewrite 7773676 ± 3% -46.4% 4170172 ± 4% iozone.1024KB_32reclen.fwrite 9527829 -53.2% 4460646 ± 2% iozone.1024KB_32reclen.random_write 12442026 ± 3% -64.5% 4416499 ± 2% iozone.1024KB_32reclen.record_rewrite 8085913 ± 4% -51.5% 3922409 ± 7% iozone.1024KB_32reclen.rewrite 5889389 ± 3% -41.5% 3447961 ± 18% iozone.1024KB_32reclen.write 3036644 +5.1% 3190383 ± 2% iozone.1024KB_4reclen.frewrite 3045829 ± 5% +8.3% 3298523 iozone.1024KB_4reclen.fwrite 2653949 ± 9% +11.3% 2954956 iozone.1024KB_4reclen.random_write 3198956 ± 2% +4.9% 3355450 iozone.1024KB_4reclen.rewrite 704035 ± 2% -18.3% 575276 iozone.1024KB_512reclen 14032094 ± 3% -53.6% 6508198 ± 13% iozone.1024KB_512reclen.frewrite 5854975 ± 9% -29.9% 4104339 ± 6% iozone.1024KB_512reclen.fwrite 12094761 ± 3% -61.9% 4603690 ± 10% iozone.1024KB_512reclen.random_write 14578102 ± 14% -68.0% 4670558 iozone.1024KB_512reclen.record_rewrite 9315744 ± 14% -55.0% 4194941 ± 4% iozone.1024KB_512reclen.rewrite 6493387 ± 8% -36.8% 4102844 ± 4% iozone.1024KB_512reclen.write 757634 ± 5% -16.6% 631530 ± 4% iozone.1024KB_64reclen 8302272 ± 17% -49.1% 4224948 ± 7% iozone.1024KB_64reclen.fwrite 11486168 -59.8% 4621229 ± 2% iozone.1024KB_64reclen.random_write 14892370 ± 17% -70.7% 4359131 ± 10% iozone.1024KB_64reclen.record_rewrite 9176731 ± 5% -54.5% 4174983 ± 8% iozone.1024KB_64reclen.rewrite 6267925 ± 5% -36.9% 3953119 ± 9% iozone.1024KB_64reclen.write 478236 ± 2% -10.9% 425889 ± 10% iozone.1024KB_8reclen 4573573 -24.3% 3463970 ± 9% iozone.1024KB_8reclen.frewrite 4680120 ± 2% -25.0% 3509682 ± 10% iozone.1024KB_8reclen.fwrite 4726046 -24.4% 3571923 ± 4% iozone.1024KB_8reclen.random_write 6017893 -31.2% 4137483 iozone.1024KB_8reclen.record_rewrite 4878382 ± 5% -25.1% 3655617 ± 13% iozone.1024KB_8reclen.rewrite 8312551 ± 18% -51.9% 3999327 ± 13% iozone.128KB_128reclen.frewrite 8913329 ± 7% -56.6% 3865100 ± 19% iozone.128KB_128reclen.fwrite 11017705 ± 3% -60.3% 4373983 ± 9% iozone.128KB_128reclen.random_write 10032242 ± 17% -53.7% 4647691 iozone.128KB_128reclen.record_rewrite 7736893 ± 23% -48.2% 4007685 ± 5% iozone.128KB_128reclen.rewrite 4815130 ± 16% -30.8% 3333097 ± 11% iozone.128KB_128reclen.write 5542899 ± 11% -31.0% 3824549 ± 11% iozone.128KB_16reclen.fwrite 6226594 ± 4% -41.4% 3647543 ± 15% iozone.128KB_16reclen.random_write 7172507 ± 5% -47.4% 3771299 ± 5% iozone.128KB_16reclen.record_rewrite 7134426 ± 10% -36.2% 4555185 ± 9% iozone.128KB_32reclen.frewrite 6881922 ± 10% -33.5% 4577827 ± 11% iozone.128KB_32reclen.fwrite 8177459 ± 5% -49.3% 4149876 ± 7% iozone.128KB_32reclen.random_write 8738321 ± 18% -55.0% 3931320 ± 7% iozone.128KB_32reclen.record_rewrite 6494015 ± 15% -46.0% 3506189 ± 19% iozone.128KB_32reclen.rewrite 2594986 ± 17% +14.4% 2968586 iozone.128KB_4reclen.random_write 2580603 ± 16% +22.5% 3162109 ± 6% iozone.128KB_4reclen.rewrite 9770675 ± 5% -54.9% 4402384 ± 4% iozone.128KB_64reclen.random_write 10413873 ± 6% -59.1% 4257941 iozone.128KB_64reclen.record_rewrite 7293854 ± 17% -47.2% 3853718 ± 12% iozone.128KB_64reclen.rewrite 4886361 ± 10% -33.0% 3275505 ± 22% iozone.128KB_8reclen.record_rewrite 384352 -16.6% 320541 ± 2% iozone.131072KB_1024reclen 4187870 -36.7% 2651178 iozone.131072KB_1024reclen.frewrite 4220181 -36.9% 2661430 iozone.131072KB_1024reclen.fwrite 4887947 ± 2% -41.2% 2874398 iozone.131072KB_1024reclen.random_write 12467364 ± 5% -68.2% 3959839 iozone.131072KB_1024reclen.record_rewrite 4734810 -39.5% 2864893 iozone.131072KB_1024reclen.rewrite 3710046 -27.2% 2700687 iozone.131072KB_1024reclen.write 452795 ± 2% -19.6% 363866 ± 2% iozone.131072KB_128reclen 4266654 -37.2% 2681345 iozone.131072KB_128reclen.frewrite 4284843 ± 2% -36.9% 2703800 iozone.131072KB_128reclen.fwrite 4611392 -40.4% 2746837 iozone.131072KB_128reclen.random_write 19555585 ± 2% -76.0% 4701436 iozone.131072KB_128reclen.record_rewrite 4491416 -38.6% 2756157 iozone.131072KB_128reclen.rewrite 3603325 -27.4% 2616309 iozone.131072KB_128reclen.write 336442 ± 2% -11.8% 296621 ± 3% iozone.131072KB_16384reclen 3410515 ± 3% -29.1% 2418230 iozone.131072KB_16384reclen.frewrite 3576351 ± 2% -30.8% 2473419 iozone.131072KB_16384reclen.fwrite 4591806 -38.4% 2826293 iozone.131072KB_16384reclen.random_write 7350622 ± 5% -56.4% 3202543 ± 2% iozone.131072KB_16384reclen.record_rewrite 4422534 ± 2% -36.9% 2790029 iozone.131072KB_16384reclen.rewrite 3482443 ± 2% -24.8% 2619824 ± 2% iozone.131072KB_16384reclen.write 371380 -14.6% 317138 ± 2% iozone.131072KB_2048reclen 4078709 -36.4% 2593133 iozone.131072KB_2048reclen.frewrite 4098349 -36.1% 2620428 iozone.131072KB_2048reclen.fwrite 4787858 -40.7% 2838462 iozone.131072KB_2048reclen.random_write 10082067 -63.0% 3728429 iozone.131072KB_2048reclen.record_rewrite 4677749 -39.3% 2838243 iozone.131072KB_2048reclen.rewrite 3679263 -26.7% 2697355 iozone.131072KB_2048reclen.write 474632 -21.3% 373696 iozone.131072KB_256reclen 4492015 -38.7% 2752060 iozone.131072KB_256reclen.frewrite 4490272 -38.3% 2772295 iozone.131072KB_256reclen.fwrite 4748066 -41.4% 2782193 iozone.131072KB_256reclen.random_write 21604472 -78.3% 4683478 ± 2% iozone.131072KB_256reclen.record_rewrite 4616454 -40.0% 2769602 iozone.131072KB_256reclen.rewrite 3648377 -28.5% 2607598 iozone.131072KB_256reclen.write 367895 -14.6% 314350 ± 2% iozone.131072KB_4096reclen 9062077 ± 2% -3.8% 8715521 ± 2% iozone.131072KB_4096reclen.bkwd_read 4059040 -35.4% 2623511 iozone.131072KB_4096reclen.frewrite 4105650 -35.7% 2641258 iozone.131072KB_4096reclen.fwrite 4748841 ± 2% -40.1% 2846874 iozone.131072KB_4096reclen.random_write 9805385 -62.3% 3696059 iozone.131072KB_4096reclen.record_rewrite 4635048 -38.6% 2846269 iozone.131072KB_4096reclen.rewrite 3681205 -26.9% 2692674 iozone.131072KB_4096reclen.write 448220 -19.2% 362152 iozone.131072KB_512reclen 10496215 ± 2% +3.3% 10844450 ± 2% iozone.131072KB_512reclen.freread 4491992 -38.0% 2784974 iozone.131072KB_512reclen.frewrite 4514993 -37.6% 2815708 iozone.131072KB_512reclen.fwrite 4956362 -42.1% 2870296 iozone.131072KB_512reclen.random_write 19233272 ± 2% -76.2% 4583471 iozone.131072KB_512reclen.record_rewrite 4917028 ± 2% -41.6% 2870477 iozone.131072KB_512reclen.rewrite 3853695 -28.9% 2740736 iozone.131072KB_512reclen.write 430232 -17.6% 354607 ± 2% iozone.131072KB_64reclen 4122519 -36.3% 2625773 iozone.131072KB_64reclen.frewrite 4134079 -35.2% 2679771 iozone.131072KB_64reclen.fwrite 4325858 -38.7% 2653598 iozone.131072KB_64reclen.random_write 16981332 -72.6% 4660451 iozone.131072KB_64reclen.record_rewrite 4350931 -37.6% 2712816 iozone.131072KB_64reclen.rewrite 3498084 -27.3% 2543888 ± 2% iozone.131072KB_64reclen.write 372156 ± 2% -13.7% 321258 ± 2% iozone.131072KB_8192reclen 4121451 ± 2% -35.4% 2660880 iozone.131072KB_8192reclen.frewrite 4147994 ± 2% -35.4% 2679261 iozone.131072KB_8192reclen.fwrite 4757455 ± 2% -40.9% 2811156 ± 2% iozone.131072KB_8192reclen.random_write 9351046 -61.4% 3605035 iozone.131072KB_8192reclen.record_rewrite 4617143 ± 2% -38.7% 2830230 iozone.131072KB_8192reclen.rewrite 3610746 -25.9% 2676759 iozone.131072KB_8192reclen.write 507341 ± 4% -18.7% 412696 ± 3% iozone.16384KB_1024reclen 6336944 ± 5% -42.8% 3626514 ± 5% iozone.16384KB_1024reclen.frewrite 5975822 ± 9% -42.0% 3467668 ± 7% iozone.16384KB_1024reclen.fwrite 9625022 ± 4% -56.3% 4209850 ± 2% iozone.16384KB_1024reclen.random_write 12736426 ± 2% -68.4% 4025253 iozone.16384KB_1024reclen.record_rewrite 7663418 ± 15% -50.8% 3771090 ± 7% iozone.16384KB_1024reclen.rewrite 5109291 ± 3% -31.2% 3516354 ± 5% iozone.16384KB_1024reclen.write 643735 ± 5% -18.4% 525148 ± 6% iozone.16384KB_128reclen 7284276 ± 13% -44.3% 4056501 ± 5% iozone.16384KB_128reclen.frewrite 7908295 ± 11% -48.9% 4040019 ± 5% iozone.16384KB_128reclen.fwrite 10297149 ± 4% -56.8% 4446408 iozone.16384KB_128reclen.random_write 20064811 -76.6% 4701926 iozone.16384KB_128reclen.record_rewrite 7846710 ± 13% -48.8% 4014765 ± 7% iozone.16384KB_128reclen.rewrite 5180669 ± 12% -29.9% 3630809 ± 9% iozone.16384KB_128reclen.write 379036 ± 9% -15.4% 320835 ± 10% iozone.16384KB_16384reclen 5879026 ± 14% -45.7% 3190508 ± 10% iozone.16384KB_16384reclen.frewrite 5548877 ± 14% -41.2% 3260007 ± 9% iozone.16384KB_16384reclen.fwrite 7659423 ± 2% -51.2% 3739849 iozone.16384KB_16384reclen.random_write 6727664 ± 11% -48.9% 3437737 ± 7% iozone.16384KB_16384reclen.record_rewrite 5799972 ± 14% -42.6% 3326350 ± 4% iozone.16384KB_16384reclen.rewrite 3596354 ± 9% -24.7% 2709540 ± 6% iozone.16384KB_16384reclen.write 486506 ± 4% -9.5% 440477 ± 5% iozone.16384KB_16reclen 5450161 ± 7% -33.0% 3650670 ± 6% iozone.16384KB_16reclen.frewrite 5503462 ± 6% -33.3% 3672545 ± 4% iozone.16384KB_16reclen.fwrite 6029700 ± 2% -39.0% 3675707 iozone.16384KB_16reclen.random_write 9116110 ± 3% -52.2% 4360762 iozone.16384KB_16reclen.record_rewrite 5604741 ± 8% -33.1% 3749791 ± 6% iozone.16384KB_16reclen.rewrite 4292995 ± 6% -23.2% 3297457 ± 8% iozone.16384KB_16reclen.write 462856 ± 4% -16.6% 385989 ± 4% iozone.16384KB_2048reclen 6153667 ± 9% -41.5% 3597198 ± 6% iozone.16384KB_2048reclen.frewrite 5449827 ± 11% -36.8% 3445200 ± 8% iozone.16384KB_2048reclen.fwrite 8560815 -53.7% 3960813 iozone.16384KB_2048reclen.random_write 9782852 ± 3% -61.3% 3781912 iozone.16384KB_2048reclen.record_rewrite 7191079 ± 8% -49.8% 3607011 ± 8% iozone.16384KB_2048reclen.rewrite 4737205 ± 9% -29.3% 3349082 ± 8% iozone.16384KB_2048reclen.write 665280 ± 4% -20.9% 526100 ± 6% iozone.16384KB_256reclen 8195747 ± 9% -51.8% 3948302 ± 8% iozone.16384KB_256reclen.frewrite 8249066 ± 9% -50.4% 4088287 ± 6% iozone.16384KB_256reclen.fwrite 11094734 ± 2% -59.5% 4492766 ± 2% iozone.16384KB_256reclen.random_write 21693249 -78.2% 4722868 iozone.16384KB_256reclen.record_rewrite 8477277 ± 10% -52.4% 4031471 ± 9% iozone.16384KB_256reclen.rewrite 5278441 ± 6% -29.3% 3729284 ± 8% iozone.16384KB_256reclen.write 550570 ± 4% -13.0% 478829 ± 5% iozone.16384KB_32reclen 6717424 ± 5% -41.9% 3903876 ± 4% iozone.16384KB_32reclen.frewrite 6358062 ± 8% -38.5% 3912409 ± 5% iozone.16384KB_32reclen.fwrite 7738915 ± 3% -47.9% 4031920 ± 2% iozone.16384KB_32reclen.random_write 13092049 ± 5% -65.2% 4552060 iozone.16384KB_32reclen.record_rewrite 6793062 ± 10% -42.1% 3935793 ± 8% iozone.16384KB_32reclen.rewrite 4654579 ± 11% -24.2% 3526713 ± 8% iozone.16384KB_32reclen.write 449979 ± 5% -15.9% 378538 ± 6% iozone.16384KB_4096reclen 6135760 ± 16% -38.6% 3765269 ± 11% iozone.16384KB_4096reclen.frewrite 5660955 ± 11% -35.6% 3648184 ± 9% iozone.16384KB_4096reclen.fwrite 8518821 -53.3% 3976373 ± 2% iozone.16384KB_4096reclen.random_write 9355279 ± 3% -59.6% 3784167 iozone.16384KB_4096reclen.record_rewrite 6601589 ± 13% -45.9% 3573371 ± 7% iozone.16384KB_4096reclen.rewrite 4422582 ± 11% -28.4% 3164939 ± 8% iozone.16384KB_4096reclen.write 2736469 ± 3% +7.4% 2939679 ± 5% iozone.16384KB_4reclen.frewrite 3416531 +2.8% 3511309 iozone.16384KB_4reclen.record_rewrite 595796 ± 3% -21.7% 466375 ± 4% iozone.16384KB_512reclen 7394396 ± 4% -49.0% 3768420 ± 8% iozone.16384KB_512reclen.frewrite 7325705 ± 8% -46.3% 3931880 ± 5% iozone.16384KB_512reclen.fwrite 10721576 ± 7% -58.4% 4462432 ± 3% iozone.16384KB_512reclen.random_write 19201645 ± 2% -76.1% 4583068 iozone.16384KB_512reclen.record_rewrite 8601383 ± 12% -52.7% 4069394 ± 7% iozone.16384KB_512reclen.rewrite 5535264 ± 8% -34.0% 3654929 ± 10% iozone.16384KB_512reclen.write 616298 ± 4% -16.8% 512695 ± 5% iozone.16384KB_64reclen 7429221 ± 11% -46.8% 3949408 ± 8% iozone.16384KB_64reclen.frewrite 7672960 ± 8% -47.1% 4060726 ± 5% iozone.16384KB_64reclen.fwrite 9543899 -54.8% 4313429 iozone.16384KB_64reclen.random_write 16952638 ± 2% -72.4% 4678576 iozone.16384KB_64reclen.record_rewrite 7421949 ± 12% -46.8% 3948342 ± 8% iozone.16384KB_64reclen.rewrite 4953149 ± 12% -28.4% 3545804 ± 6% iozone.16384KB_64reclen.write 411896 ± 8% -11.0% 366634 ± 7% iozone.16384KB_8192reclen 6539452 ± 16% -27.2% 4763647 ± 8% iozone.16384KB_8192reclen.frewrite 5046680 ± 5% -26.0% 3736788 ± 7% iozone.16384KB_8192reclen.fwrite 8153406 ± 3% -51.4% 3960619 iozone.16384KB_8192reclen.random_write 7903795 ± 8% -53.7% 3659114 ± 3% iozone.16384KB_8192reclen.record_rewrite 5937662 ± 17% -42.6% 3407177 ± 6% iozone.16384KB_8192reclen.rewrite 4164583 ± 13% -27.5% 3020571 ± 10% iozone.16384KB_8192reclen.write 4298453 ± 5% -20.9% 3401509 ± 8% iozone.16384KB_8reclen.frewrite 4191839 ± 5% -18.8% 3404414 ± 6% iozone.16384KB_8reclen.fwrite 4200904 -24.5% 3171742 iozone.16384KB_8reclen.random_write 6118563 -32.2% 4150720 iozone.16384KB_8reclen.record_rewrite 4529237 ± 4% -21.7% 3548161 ± 6% iozone.16384KB_8reclen.rewrite 3535152 ± 4% -13.1% 3071626 ± 7% iozone.16384KB_8reclen.write 542238 -19.1% 438489 iozone.2048KB_1024reclen 11967644 ± 4% -44.2% 6680286 ± 2% iozone.2048KB_1024reclen.frewrite 5744660 ± 3% -28.8% 4089015 ± 6% iozone.2048KB_1024reclen.fwrite 9303909 ± 7% -53.8% 4297862 iozone.2048KB_1024reclen.random_write 10889649 ± 2% -62.6% 4071096 ± 3% iozone.2048KB_1024reclen.record_rewrite 9130132 ± 2% -56.7% 3953157 ± 5% iozone.2048KB_1024reclen.rewrite 5982222 -35.1% 3882699 iozone.2048KB_1024reclen.write 776202 ± 2% -18.4% 633443 iozone.2048KB_128reclen 8878597 ± 13% -49.4% 4495701 iozone.2048KB_128reclen.frewrite 9638797 ± 2% -54.5% 4389962 ± 7% iozone.2048KB_128reclen.fwrite 10844235 ± 11% -57.1% 4651671 iozone.2048KB_128reclen.random_write 18749665 ± 3% -75.2% 4655816 iozone.2048KB_128reclen.record_rewrite 9623215 ± 4% -54.5% 4382932 ± 2% iozone.2048KB_128reclen.rewrite 6377481 ± 9% -36.4% 4059105 ± 3% iozone.2048KB_128reclen.write 552097 ± 2% -11.2% 490114 iozone.2048KB_16reclen 6129175 -35.3% 3964251 iozone.2048KB_16reclen.frewrite 6067908 ± 4% -34.5% 3971599 iozone.2048KB_16reclen.fwrite 6592107 -40.8% 3903901 ± 4% iozone.2048KB_16reclen.random_write 9122387 -52.4% 4346330 iozone.2048KB_16reclen.record_rewrite 6740945 ± 3% -39.6% 4072351 ± 3% iozone.2048KB_16reclen.rewrite 5188484 ± 4% -28.3% 3721925 ± 6% iozone.2048KB_16reclen.write 491057 ± 2% -18.4% 400917 iozone.2048KB_2048reclen 8029406 ± 3% -50.7% 3959139 iozone.2048KB_2048reclen.frewrite 8107078 ± 3% -50.8% 3986328 ± 2% iozone.2048KB_2048reclen.fwrite 8257179 ± 2% -51.0% 4042627 iozone.2048KB_2048reclen.random_write 7947631 ± 7% -50.7% 3920484 ± 5% iozone.2048KB_2048reclen.record_rewrite 7969246 ± 2% -53.0% 3748665 ± 2% iozone.2048KB_2048reclen.rewrite 5006403 ± 7% -33.9% 3309778 ± 5% iozone.2048KB_2048reclen.write 796104 ± 3% -20.1% 635928 iozone.2048KB_256reclen 10156675 ± 2% -54.3% 4641495 ± 5% iozone.2048KB_256reclen.frewrite 10096107 ± 3% -53.4% 4706843 iozone.2048KB_256reclen.fwrite 11849621 ± 2% -60.5% 4675630 iozone.2048KB_256reclen.random_write 20078106 -76.4% 4729504 iozone.2048KB_256reclen.record_rewrite 10479126 ± 6% -57.4% 4466888 iozone.2048KB_256reclen.rewrite 6739247 ± 4% -37.8% 4194711 ± 2% iozone.2048KB_256reclen.write 632369 ± 2% -15.9% 531966 iozone.2048KB_32reclen 7515327 ± 2% -45.2% 4118630 iozone.2048KB_32reclen.frewrite 7692252 -45.6% 4188416 iozone.2048KB_32reclen.fwrite 8804466 -52.0% 4229942 ± 4% iozone.2048KB_32reclen.random_write 12723390 ± 2% -64.6% 4508303 iozone.2048KB_32reclen.record_rewrite 8136652 ± 4% -47.4% 4278591 iozone.2048KB_32reclen.rewrite 5533601 ± 7% -29.6% 3895216 ± 7% iozone.2048KB_32reclen.write 3108439 +5.5% 3277973 ± 2% iozone.2048KB_4reclen.frewrite 3138092 +5.7% 3316904 iozone.2048KB_4reclen.fwrite 3400624 +3.5% 3521251 iozone.2048KB_4reclen.record_rewrite 3223326 ± 2% +3.9% 3348769 iozone.2048KB_4reclen.rewrite 2501633 +5.3% 2633799 iozone.2048KB_4reclen.write 688280 ± 2% -20.3% 548546 ± 2% iozone.2048KB_512reclen 10166943 ± 8% -49.7% 5109818 ± 2% iozone.2048KB_512reclen.frewrite 10130829 ± 3% -50.9% 4976143 ± 4% iozone.2048KB_512reclen.fwrite 11034618 ± 9% -58.2% 4609040 iozone.2048KB_512reclen.random_write 16635631 ± 6% -73.3% 4448460 ± 6% iozone.2048KB_512reclen.record_rewrite 9824663 ± 4% -56.5% 4270365 ± 2% iozone.2048KB_512reclen.rewrite 702000 -19.2% 566982 iozone.2048KB_64reclen 8714969 ± 2% -50.2% 4336360 iozone.2048KB_64reclen.frewrite 8877096 ± 2% -51.2% 4328037 iozone.2048KB_64reclen.fwrite 10068549 ± 4% -54.7% 4556848 iozone.2048KB_64reclen.random_write 16412084 ± 2% -72.1% 4580174 iozone.2048KB_64reclen.record_rewrite 8862714 ± 13% -50.2% 4414148 ± 2% iozone.2048KB_64reclen.rewrite 6484504 ± 4% -36.8% 4096678 ± 4% iozone.2048KB_64reclen.write 459113 -5.0% 436126 ± 2% iozone.2048KB_8reclen 4667715 ± 2% -21.9% 3643856 ± 4% iozone.2048KB_8reclen.frewrite 4720714 ± 2% -21.3% 3715479 iozone.2048KB_8reclen.fwrite 4604725 -23.6% 3517498 iozone.2048KB_8reclen.random_write 6066526 -32.0% 4128204 iozone.2048KB_8reclen.record_rewrite 5079700 ± 2% -23.4% 3889912 ± 2% iozone.2048KB_8reclen.rewrite 4310419 ± 2% -15.0% 3663807 iozone.2048KB_8reclen.write 870720 ± 3% -13.1% 756922 ± 3% iozone.256KB_128reclen 12361676 ± 8% -47.6% 6481418 ± 17% iozone.256KB_128reclen.frewrite 6028859 ± 7% -30.4% 4198028 ± 4% iozone.256KB_128reclen.fwrite 11978539 ± 18% -58.6% 4954925 iozone.256KB_128reclen.random_write 13989142 ± 2% -67.0% 4613207 iozone.256KB_128reclen.record_rewrite 8781211 ± 6% -50.7% 4327498 iozone.256KB_128reclen.rewrite 5824968 ± 8% -32.2% 3948101 iozone.256KB_128reclen.write 625545 ± 2% -5.9% 588550 ± 3% iozone.256KB_16reclen 5784735 ± 4% -31.5% 3965344 ± 3% iozone.256KB_16reclen.fwrite 8124473 -48.8% 4162493 iozone.256KB_16reclen.record_rewrite 5933337 ± 11% -32.7% 3990978 ± 2% iozone.256KB_16reclen.rewrite 935680 ± 3% -14.2% 803142 ± 3% iozone.256KB_256reclen 9790828 ± 3% -55.6% 4348832 ± 4% iozone.256KB_256reclen.frewrite 10303926 ± 6% -59.5% 4172312 ± 15% iozone.256KB_256reclen.fwrite 13790229 ± 2% -65.1% 4809704 ± 6% iozone.256KB_256reclen.random_write 12454134 ± 18% -61.3% 4814061 ± 4% iozone.256KB_256reclen.record_rewrite 8657426 ± 16% -53.8% 4000771 ± 16% iozone.256KB_256reclen.rewrite 5555379 ± 9% -43.2% 3153475 ± 18% iozone.256KB_256reclen.write 735809 -13.6% 635861 ± 2% iozone.256KB_32reclen 6747110 ± 11% -37.3% 4227088 ± 10% iozone.256KB_32reclen.fwrite 9481865 -53.9% 4370633 ± 5% iozone.256KB_32reclen.random_write 10467768 ± 15% -61.5% 4033680 ± 7% iozone.256KB_32reclen.record_rewrite 7382401 ± 9% -48.9% 3774211 ± 15% iozone.256KB_32reclen.rewrite 5195034 ± 7% -28.3% 3724939 ± 8% iozone.256KB_32reclen.write 2757773 ± 12% +10.4% 3043370 iozone.256KB_4reclen.random_write 815894 ± 2% -14.4% 698331 ± 4% iozone.256KB_64reclen 9377172 ± 2% -46.9% 4979439 ± 4% iozone.256KB_64reclen.frewrite 9153569 ± 6% -45.1% 5025568 ± 2% iozone.256KB_64reclen.fwrite 11381553 -58.0% 4785614 iozone.256KB_64reclen.random_write 12306212 ± 18% -64.4% 4375581 ± 3% iozone.256KB_64reclen.record_rewrite 7763465 ± 19% -46.1% 4183995 ± 3% iozone.256KB_64reclen.rewrite 5587518 ± 7% -32.4% 3779744 ± 4% iozone.256KB_64reclen.write 14037949 ± 9% +12.7% 15819848 ± 3% iozone.256KB_8reclen.freread 4460606 ± 5% -20.3% 3553821 ± 4% iozone.256KB_8reclen.frewrite 4647707 ± 4% -19.1% 3758634 iozone.256KB_8reclen.fwrite 4759194 ± 5% -22.5% 3690742 iozone.256KB_8reclen.random_write 386912 -19.1% 313007 iozone.262144KB_1024reclen 4232892 -37.9% 2628759 iozone.262144KB_1024reclen.frewrite 4220249 -37.5% 2637327 iozone.262144KB_1024reclen.fwrite 4772977 -41.3% 2800063 iozone.262144KB_1024reclen.random_write 12990282 -69.6% 3951277 iozone.262144KB_1024reclen.record_rewrite 4740754 -40.3% 2831528 iozone.262144KB_1024reclen.rewrite 3693124 -28.3% 2646645 ± 2% iozone.262144KB_1024reclen.write 439819 ± 4% -18.9% 356653 iozone.262144KB_128reclen 4095694 ± 9% -35.9% 2624476 ± 2% iozone.262144KB_128reclen.frewrite 4082631 ± 10% -34.8% 2660105 iozone.262144KB_128reclen.fwrite 4434398 -40.8% 2627179 iozone.262144KB_128reclen.random_write 19653812 -76.1% 4706514 iozone.262144KB_128reclen.record_rewrite 4436480 ± 2% -38.3% 2738822 iozone.262144KB_128reclen.rewrite 3512565 ± 3% -26.1% 2594547 iozone.262144KB_128reclen.write 345916 ± 2% -12.6% 302486 ± 5% iozone.262144KB_16384reclen 3337163 -31.2% 2297628 iozone.262144KB_16384reclen.frewrite 3336960 -30.8% 2308592 iozone.262144KB_16384reclen.fwrite 4616039 -40.9% 2726326 ± 7% iozone.262144KB_16384reclen.random_write 4509231 -39.6% 2725345 ± 6% iozone.262144KB_16384reclen.rewrite 3552695 -26.7% 2605620 iozone.262144KB_16384reclen.write 3905995 ± 8% -34.1% 2572630 iozone.262144KB_2048reclen.frewrite 3914526 ± 8% -34.2% 2577172 iozone.262144KB_2048reclen.fwrite 4479660 ± 9% -37.8% 2785538 iozone.262144KB_2048reclen.random_write 10156129 -63.6% 3700959 iozone.262144KB_2048reclen.record_rewrite 4561708 ± 3% -38.7% 2797958 iozone.262144KB_2048reclen.rewrite 3637540 -27.0% 2655254 iozone.262144KB_2048reclen.write 465299 ± 2% -21.0% 367698 iozone.262144KB_256reclen 4452043 -39.2% 2707810 iozone.262144KB_256reclen.frewrite 4450282 -39.6% 2688213 ± 2% iozone.262144KB_256reclen.fwrite 4602473 -41.5% 2692954 iozone.262144KB_256reclen.random_write 20493445 ± 8% -77.0% 4720395 iozone.262144KB_256reclen.record_rewrite 4624931 -41.1% 2725390 iozone.262144KB_256reclen.rewrite 3631181 -28.4% 2600952 iozone.262144KB_256reclen.write 366160 -14.5% 312920 iozone.262144KB_4096reclen 4057145 -36.1% 2591310 iozone.262144KB_4096reclen.frewrite 4091290 -36.7% 2588346 iozone.262144KB_4096reclen.fwrite 4724809 -40.4% 2816202 iozone.262144KB_4096reclen.random_write 9746066 ± 4% -62.1% 3695234 iozone.262144KB_4096reclen.record_rewrite 4647939 -39.6% 2808401 iozone.262144KB_4096reclen.rewrite 3598743 ± 2% -26.5% 2644334 iozone.262144KB_4096reclen.write 447128 -21.4% 351589 iozone.262144KB_512reclen 4518476 -39.6% 2727901 ± 2% iozone.262144KB_512reclen.frewrite 4517667 -38.8% 2766839 iozone.262144KB_512reclen.fwrite 4765332 -41.8% 2775083 iozone.262144KB_512reclen.random_write 19407427 -76.5% 4559227 iozone.262144KB_512reclen.record_rewrite 4728401 ± 2% -41.7% 2755664 iozone.262144KB_512reclen.rewrite 3875199 -30.1% 2710583 iozone.262144KB_512reclen.write 427384 -18.3% 349104 iozone.262144KB_64reclen 10634086 -3.0% 10310675 ± 2% iozone.262144KB_64reclen.freread 4102264 -36.8% 2591715 ± 2% iozone.262144KB_64reclen.frewrite 4104216 -36.2% 2619535 iozone.262144KB_64reclen.fwrite 4179688 -39.4% 2532034 iozone.262144KB_64reclen.random_write 16836231 -72.4% 4653955 iozone.262144KB_64reclen.record_rewrite 4342670 -37.5% 2712345 iozone.262144KB_64reclen.rewrite 3507363 -26.9% 2563521 iozone.262144KB_64reclen.write 362595 ± 2% -13.6% 313185 iozone.262144KB_8192reclen 4023362 -35.5% 2594112 iozone.262144KB_8192reclen.frewrite 4087447 -36.2% 2609184 iozone.262144KB_8192reclen.fwrite 4661543 -39.8% 2808420 iozone.262144KB_8192reclen.random_write 9649911 -62.1% 3660742 iozone.262144KB_8192reclen.record_rewrite 4606811 -38.9% 2816488 iozone.262144KB_8192reclen.rewrite 3604420 -26.2% 2660531 iozone.262144KB_8192reclen.write 430745 ± 6% -16.1% 361371 ± 6% iozone.32768KB_1024reclen 5106573 ± 12% -40.5% 3038878 ± 9% iozone.32768KB_1024reclen.frewrite 4750666 ± 15% -37.0% 2993131 ± 7% iozone.32768KB_1024reclen.fwrite 7361820 ± 10% -48.6% 3786123 ± 4% iozone.32768KB_1024reclen.random_write 12748249 ± 3% -68.6% 4002779 iozone.32768KB_1024reclen.record_rewrite 5828159 ± 17% -42.4% 3359563 ± 8% iozone.32768KB_1024reclen.rewrite 3969186 ± 11% -24.1% 3011313 ± 10% iozone.32768KB_1024reclen.write 517393 ± 8% -15.9% 435274 ± 11% iozone.32768KB_128reclen 5336143 ± 8% -36.3% 3397212 ± 10% iozone.32768KB_128reclen.frewrite 5086832 ± 14% -35.8% 3266859 ± 13% iozone.32768KB_128reclen.fwrite 7219277 ± 13% -47.0% 3822675 ± 9% iozone.32768KB_128reclen.random_write 19751756 -76.2% 4706931 iozone.32768KB_128reclen.record_rewrite 5487278 ± 20% -40.7% 3255304 ± 14% iozone.32768KB_128reclen.rewrite 4331209 ± 15% -28.2% 3111554 ± 14% iozone.32768KB_128reclen.write 340985 ± 5% -10.4% 305450 ± 8% iozone.32768KB_16384reclen 5062509 ± 5% -25.1% 3791480 ± 4% iozone.32768KB_16384reclen.frewrite 4265672 ± 6% -19.5% 3432015 ± 4% iozone.32768KB_16384reclen.fwrite 5969841 ± 3% -45.1% 3275347 iozone.32768KB_16384reclen.random_write 6136996 ± 4% -49.2% 3120547 iozone.32768KB_16384reclen.record_rewrite 4924297 ± 8% -40.3% 2941728 ± 3% iozone.32768KB_16384reclen.rewrite 3588118 ± 6% -25.1% 2686314 ± 8% iozone.32768KB_16384reclen.write 419825 ± 5% -14.9% 357366 ± 5% iozone.32768KB_2048reclen 4790850 ± 12% -36.4% 3046021 ± 8% iozone.32768KB_2048reclen.frewrite 4497964 ± 13% -35.5% 2902101 ± 8% iozone.32768KB_2048reclen.fwrite 7102310 ± 8% -49.9% 3556423 ± 4% iozone.32768KB_2048reclen.random_write 9887212 ± 2% -62.2% 3739800 iozone.32768KB_2048reclen.record_rewrite 5588856 ± 15% -43.2% 3172444 ± 6% iozone.32768KB_2048reclen.rewrite 4003454 ± 14% -26.8% 2928727 ± 11% iozone.32768KB_2048reclen.write 547607 ± 8% -19.9% 438811 ± 9% iozone.32768KB_256reclen 5897276 ± 18% -43.7% 3321258 ± 9% iozone.32768KB_256reclen.frewrite 6200520 ± 18% -46.2% 3333057 ± 12% iozone.32768KB_256reclen.fwrite 8239263 ± 10% -53.7% 3811472 ± 8% iozone.32768KB_256reclen.random_write 21117174 ± 5% -77.5% 4748436 iozone.32768KB_256reclen.record_rewrite 5542146 ± 21% -40.3% 3308972 ± 14% iozone.32768KB_256reclen.rewrite 4329999 ± 14% -27.6% 3134686 ± 13% iozone.32768KB_256reclen.write 406635 ± 5% -13.8% 350416 ± 5% iozone.32768KB_4096reclen 4711958 ± 9% -35.4% 3046030 ± 7% iozone.32768KB_4096reclen.frewrite 4513362 ± 5% -32.8% 3035023 ± 7% iozone.32768KB_4096reclen.fwrite 6806224 ± 8% -47.6% 3565039 ± 4% iozone.32768KB_4096reclen.random_write 9515688 ± 3% -60.8% 3729359 iozone.32768KB_4096reclen.record_rewrite 5697618 ± 14% -41.9% 3310899 ± 6% iozone.32768KB_4096reclen.rewrite 3898864 ± 10% -25.0% 2924428 ± 10% iozone.32768KB_4096reclen.write 507657 ± 7% -19.4% 409147 ± 7% iozone.32768KB_512reclen 5698481 ± 16% -42.0% 3307347 ± 6% iozone.32768KB_512reclen.frewrite 5511060 ± 18% -40.2% 3295398 ± 11% iozone.32768KB_512reclen.fwrite 8257419 ± 13% -53.2% 3867915 ± 7% iozone.32768KB_512reclen.random_write 18757129 ± 3% -75.6% 4571719 iozone.32768KB_512reclen.record_rewrite 6320097 ± 15% -44.6% 3500000 ± 9% iozone.32768KB_512reclen.rewrite 4380209 ± 14% -27.6% 3169557 ± 8% iozone.32768KB_512reclen.write 502007 ± 8% -14.5% 429178 ± 9% iozone.32768KB_64reclen 5073623 ± 17% -38.5% 3119857 ± 12% iozone.32768KB_64reclen.frewrite 4878282 ± 21% -33.9% 3224174 ± 14% iozone.32768KB_64reclen.fwrite 7259958 ± 9% -49.6% 3658480 ± 6% iozone.32768KB_64reclen.random_write 17020659 -72.6% 4666812 iozone.32768KB_64reclen.record_rewrite 5279659 ± 15% -38.9% 3225203 ± 10% iozone.32768KB_64reclen.rewrite 3880368 ± 7% -27.3% 2819139 ± 6% iozone.32768KB_64reclen.write 389639 ± 4% -13.7% 336197 ± 6% iozone.32768KB_8192reclen 4839853 ± 9% -34.2% 3184449 ± 8% iozone.32768KB_8192reclen.frewrite 4843025 ± 8% -30.9% 3347699 ± 5% iozone.32768KB_8192reclen.fwrite 6838978 ± 5% -49.0% 3490336 ± 3% iozone.32768KB_8192reclen.random_write 8463330 ± 3% -58.3% 3529070 ± 2% iozone.32768KB_8192reclen.record_rewrite 5195668 ± 13% -39.6% 3140021 ± 4% iozone.32768KB_8192reclen.rewrite 3804852 ± 7% -26.6% 2791987 ± 7% iozone.32768KB_8192reclen.write 540767 -19.9% 433189 iozone.4096KB_1024reclen 8611741 -46.2% 4633837 ± 3% iozone.4096KB_1024reclen.frewrite 7982259 ± 3% -43.3% 4524830 iozone.4096KB_1024reclen.fwrite 9858992 -56.2% 4314497 iozone.4096KB_1024reclen.random_write 11773436 -65.9% 4009160 ± 4% iozone.4096KB_1024reclen.record_rewrite 9487287 -56.4% 4132715 iozone.4096KB_1024reclen.rewrite 6182018 -37.2% 3883984 ± 2% iozone.4096KB_1024reclen.write 718567 -21.1% 567107 iozone.4096KB_128reclen 9293082 ± 2% -53.0% 4371150 iozone.4096KB_128reclen.frewrite 9479069 -54.2% 4344052 ± 2% iozone.4096KB_128reclen.fwrite 10905845 ± 2% -58.6% 4511988 iozone.4096KB_128reclen.random_write 19563786 -76.1% 4675838 iozone.4096KB_128reclen.record_rewrite 10155905 -56.8% 4389442 ± 2% iozone.4096KB_128reclen.rewrite 6774619 -42.3% 3907601 ± 7% iozone.4096KB_128reclen.write 523221 -9.6% 473092 ± 2% iozone.4096KB_16reclen 5899290 ± 3% -34.0% 3892436 iozone.4096KB_16reclen.frewrite 6031737 ± 3% -34.1% 3975649 iozone.4096KB_16reclen.fwrite 6278696 ± 2% -37.8% 3903608 iozone.4096KB_16reclen.random_write 9027990 -51.8% 4355980 iozone.4096KB_16reclen.record_rewrite 6616749 ± 3% -39.5% 4005795 ± 5% iozone.4096KB_16reclen.rewrite 12578233 ± 5% +5.3% 13240641 iozone.4096KB_16reclen.stride_read 5038372 -25.9% 3731953 ± 12% iozone.4096KB_16reclen.write 489965 ± 2% -15.4% 414282 iozone.4096KB_2048reclen 9547257 ± 7% -36.7% 6045206 iozone.4096KB_2048reclen.frewrite 5175071 -21.4% 4067368 iozone.4096KB_2048reclen.fwrite 8192636 ± 6% -50.0% 4093678 iozone.4096KB_2048reclen.random_write 8862916 ± 7% -56.0% 3902567 iozone.4096KB_2048reclen.record_rewrite 8194974 -52.9% 3859066 ± 2% iozone.4096KB_2048reclen.rewrite 5488531 ± 4% -33.8% 3632734 ± 3% iozone.4096KB_2048reclen.write 788648 ± 2% -20.0% 630788 iozone.4096KB_256reclen 9619567 ± 8% -52.9% 4526157 iozone.4096KB_256reclen.frewrite 9276409 ± 12% -51.4% 4505160 iozone.4096KB_256reclen.fwrite 11687693 ± 2% -60.7% 4595548 iozone.4096KB_256reclen.random_write 21070383 ± 2% -77.7% 4698817 iozone.4096KB_256reclen.record_rewrite 10428314 ± 3% -57.0% 4489073 iozone.4096KB_256reclen.rewrite 6598566 ± 5% -36.4% 4195190 iozone.4096KB_256reclen.write 612946 ± 2% -14.9% 521837 ± 2% iozone.4096KB_32reclen 7564306 -45.6% 4114578 iozone.4096KB_32reclen.frewrite 7597494 ± 2% -44.9% 4186534 iozone.4096KB_32reclen.fwrite 8360234 -50.1% 4167754 ± 4% iozone.4096KB_32reclen.random_write 13028009 -65.7% 4472496 iozone.4096KB_32reclen.record_rewrite 8296146 ± 3% -47.7% 4341726 ± 2% iozone.4096KB_32reclen.rewrite 5472962 ± 5% -29.2% 3872708 ± 7% iozone.4096KB_32reclen.write 494535 -17.1% 409955 iozone.4096KB_4096reclen 8255573 -51.6% 3995035 iozone.4096KB_4096reclen.frewrite 8346592 -52.4% 3974015 ± 2% iozone.4096KB_4096reclen.fwrite 8201398 ± 7% -50.7% 4045946 iozone.4096KB_4096reclen.random_write 8274606 ± 6% -51.6% 4002597 ± 2% iozone.4096KB_4096reclen.record_rewrite 7831980 ± 2% -51.5% 3799508 ± 3% iozone.4096KB_4096reclen.rewrite 4397504 ± 5% -28.5% 3145452 ± 2% iozone.4096KB_4096reclen.write 3021797 +4.1% 3144891 iozone.4096KB_4reclen.frewrite 3106524 +3.9% 3226860 iozone.4096KB_4reclen.fwrite 2665097 +3.7% 2764793 iozone.4096KB_4reclen.random_write 3352970 ± 2% +3.9% 3483980 iozone.4096KB_4reclen.record_rewrite 694005 -22.0% 541105 iozone.4096KB_512reclen 9325284 ± 2% -51.5% 4518164 iozone.4096KB_512reclen.frewrite 9033512 -50.9% 4438984 iozone.4096KB_512reclen.fwrite 11710424 -61.2% 4546638 iozone.4096KB_512reclen.random_write 18085198 ± 2% -75.2% 4476732 ± 2% iozone.4096KB_512reclen.record_rewrite 10712906 ± 3% -58.6% 4432845 iozone.4096KB_512reclen.rewrite 6855284 ± 3% -41.6% 4000142 ± 5% iozone.4096KB_512reclen.write 675724 -18.9% 548114 iozone.4096KB_64reclen 8659900 ± 2% -51.4% 4205335 ± 3% iozone.4096KB_64reclen.frewrite 8808427 -52.5% 4188372 ± 4% iozone.4096KB_64reclen.fwrite 9792198 ± 3% -56.0% 4310321 ± 4% iozone.4096KB_64reclen.random_write 16087821 ± 12% -71.3% 4611977 iozone.4096KB_64reclen.record_rewrite 9493496 ± 2% -54.2% 4351712 ± 2% iozone.4096KB_64reclen.rewrite 6134545 ± 8% -36.2% 3915308 ± 10% iozone.4096KB_64reclen.write 431652 -4.6% 411673 ± 2% iozone.4096KB_8reclen 4505758 ± 3% -20.0% 3604777 ± 2% iozone.4096KB_8reclen.frewrite 4592234 ± 2% -20.7% 3639426 ± 2% iozone.4096KB_8reclen.fwrite 4348309 -23.8% 3314837 iozone.4096KB_8reclen.random_write 5942635 ± 2% -31.8% 4052635 iozone.4096KB_8reclen.record_rewrite 4895637 ± 3% -23.9% 3727054 ± 3% iozone.4096KB_8reclen.rewrite 4005205 ± 5% -16.9% 3329643 ± 6% iozone.4096KB_8reclen.write 849891 ± 4% -16.6% 708633 ± 2% iozone.512KB_128reclen 9992208 ± 9% -49.9% 5005962 ± 8% iozone.512KB_128reclen.frewrite 10064753 ± 4% -48.7% 5160189 ± 3% iozone.512KB_128reclen.fwrite 12495290 ± 17% -60.6% 4927676 ± 2% iozone.512KB_128reclen.random_write 16391811 -71.7% 4631043 ± 2% iozone.512KB_128reclen.record_rewrite 9497853 ± 6% -54.7% 4302767 iozone.512KB_128reclen.rewrite 6276757 ± 3% -36.4% 3993325 ± 3% iozone.512KB_128reclen.write 599163 ± 2% -10.3% 537677 iozone.512KB_16reclen 5966929 ± 3% -34.9% 3882542 ± 2% iozone.512KB_16reclen.frewrite 6244343 ± 3% -34.7% 4078115 iozone.512KB_16reclen.fwrite 7236442 -45.3% 3957756 ± 13% iozone.512KB_16reclen.random_write 8399936 ± 9% -51.3% 4087729 ± 6% iozone.512KB_16reclen.record_rewrite 863825 ± 3% -17.7% 711184 ± 2% iozone.512KB_256reclen 13205154 ± 5% -46.7% 7031941 ± 3% iozone.512KB_256reclen.frewrite 5998441 ± 11% -36.5% 3806622 ± 17% iozone.512KB_256reclen.fwrite 12721268 ± 18% -60.4% 5043097 iozone.512KB_256reclen.random_write 16456398 -71.3% 4722798 ± 4% iozone.512KB_256reclen.record_rewrite 9459473 ± 6% -56.4% 4121683 ± 6% iozone.512KB_256reclen.rewrite 6550693 ± 3% -38.1% 4055738 ± 3% iozone.512KB_256reclen.write 732462 ± 2% -14.6% 625747 iozone.512KB_32reclen 7377624 ± 4% -44.6% 4090644 ± 2% iozone.512KB_32reclen.frewrite 7551793 ± 4% -45.8% 4090321 ± 11% iozone.512KB_32reclen.fwrite 8925654 ± 16% -49.0% 4556410 ± 2% iozone.512KB_32reclen.random_write 11864679 ± 5% -63.1% 4378521 ± 2% iozone.512KB_32reclen.record_rewrite 7914508 ± 3% -46.2% 4255137 iozone.512KB_32reclen.rewrite 5626769 ± 3% -31.0% 3880678 ± 5% iozone.512KB_32reclen.write 2906904 ± 10% +10.7% 3219190 iozone.512KB_4reclen.frewrite 3153534 ± 2% +5.3% 3320554 iozone.512KB_4reclen.fwrite 2927583 ± 2% +5.0% 3075410 iozone.512KB_4reclen.random_write 3107640 ± 6% +6.2% 3298881 iozone.512KB_4reclen.rewrite 769326 ± 2% -19.1% 622490 ± 3% iozone.512KB_512reclen 10119261 ± 7% -57.3% 4317683 ± 4% iozone.512KB_512reclen.frewrite 10233799 ± 17% -56.8% 4425162 ± 2% iozone.512KB_512reclen.fwrite 13200700 -63.5% 4816654 ± 3% iozone.512KB_512reclen.random_write 12282134 ± 10% -60.3% 4875884 iozone.512KB_512reclen.record_rewrite 9872795 ± 2% -58.6% 4091749 ± 7% iozone.512KB_512reclen.rewrite 5881992 ± 7% -41.4% 3447105 ± 10% iozone.512KB_512reclen.write 818577 -15.6% 690775 ± 2% iozone.512KB_64reclen 8818717 ± 2% -47.9% 4596044 ± 2% iozone.512KB_64reclen.frewrite 9137566 ± 2% -50.6% 4513498 ± 2% iozone.512KB_64reclen.fwrite 11953274 -60.2% 4758179 ± 3% iozone.512KB_64reclen.random_write 14353795 ± 5% -68.8% 4475153 ± 3% iozone.512KB_64reclen.record_rewrite 9033427 ± 2% -52.6% 4279366 ± 2% iozone.512KB_64reclen.rewrite 5859731 ± 11% -30.4% 4078862 iozone.512KB_64reclen.write 4515885 ± 2% -21.6% 3541587 ± 6% iozone.512KB_8reclen.frewrite 4755612 -21.4% 3738229 ± 3% iozone.512KB_8reclen.fwrite 4810738 ± 3% -23.8% 3666569 iozone.512KB_8reclen.random_write 5581570 ± 8% -26.6% 4094825 iozone.512KB_8reclen.record_rewrite 4904944 ± 6% -28.3% 3518088 ± 11% iozone.512KB_8reclen.rewrite 380205 -17.3% 314508 iozone.524288KB_1024reclen 4169635 -37.4% 2609179 iozone.524288KB_1024reclen.frewrite 4192878 -37.5% 2620663 iozone.524288KB_1024reclen.fwrite 4749212 -41.2% 2790599 iozone.524288KB_1024reclen.random_write 13005989 -69.5% 3963551 ± 2% iozone.524288KB_1024reclen.record_rewrite 4712619 -40.0% 2825312 iozone.524288KB_1024reclen.rewrite 3636115 -28.4% 2602505 ± 4% iozone.524288KB_1024reclen.write 435312 ± 7% -18.2% 356004 iozone.524288KB_128reclen 4105371 ± 9% -36.0% 2628026 iozone.524288KB_128reclen.frewrite 4106735 ± 9% -35.5% 2648708 iozone.524288KB_128reclen.fwrite 4208576 ± 10% -38.8% 2575677 iozone.524288KB_128reclen.random_write 19672399 -76.2% 4677090 iozone.524288KB_128reclen.record_rewrite 4413066 ± 5% -38.7% 2703636 iozone.524288KB_128reclen.rewrite 3596681 -29.0% 2552941 iozone.524288KB_128reclen.write 341830 -11.6% 302184 ± 2% iozone.524288KB_16384reclen 8891108 +2.3% 9097504 iozone.524288KB_16384reclen.freread 3253278 -31.3% 2233951 iozone.524288KB_16384reclen.frewrite 3260758 -31.4% 2235689 iozone.524288KB_16384reclen.fwrite 4582189 ± 2% -39.0% 2796855 iozone.524288KB_16384reclen.random_write 8145760 ± 7% -60.6% 3206030 ± 5% iozone.524288KB_16384reclen.record_rewrite 4429712 ± 8% -37.0% 2789583 iozone.524288KB_16384reclen.rewrite 3597211 -27.0% 2625306 iozone.524288KB_16384reclen.write 368799 -15.6% 311238 iozone.524288KB_2048reclen 3997367 -36.5% 2538893 iozone.524288KB_2048reclen.frewrite 4068154 -37.4% 2544731 iozone.524288KB_2048reclen.fwrite 4677321 -40.6% 2776934 iozone.524288KB_2048reclen.random_write 10174427 -64.3% 3636299 ± 4% iozone.524288KB_2048reclen.record_rewrite 4650596 -39.7% 2806632 iozone.524288KB_2048reclen.rewrite 3577468 ± 3% -25.8% 2653574 iozone.524288KB_2048reclen.write 468582 -21.9% 365920 iozone.524288KB_256reclen 4437726 -39.7% 2676028 iozone.524288KB_256reclen.frewrite 4466769 -39.9% 2683463 iozone.524288KB_256reclen.fwrite 4591065 -43.2% 2609914 iozone.524288KB_256reclen.random_write 21466620 -78.1% 4711261 iozone.524288KB_256reclen.record_rewrite 4626343 -41.0% 2728213 iozone.524288KB_256reclen.rewrite 3572555 ± 4% -27.9% 2576439 iozone.524288KB_256reclen.write 366252 -15.6% 309119 iozone.524288KB_4096reclen 4036834 -38.6% 2478945 ± 6% iozone.524288KB_4096reclen.frewrite 4055015 -36.8% 2562132 iozone.524288KB_4096reclen.fwrite 4664872 -40.2% 2787862 iozone.524288KB_4096reclen.random_write 10097018 -63.2% 3713623 iozone.524288KB_4096reclen.record_rewrite 4643582 -39.4% 2811741 iozone.524288KB_4096reclen.rewrite 3650074 -27.4% 2648489 iozone.524288KB_4096reclen.write 451582 -22.6% 349642 iozone.524288KB_512reclen 10601422 -6.7% 9893058 ± 8% iozone.524288KB_512reclen.fread 4489995 -38.9% 2741205 iozone.524288KB_512reclen.frewrite 4539022 -39.5% 2746598 iozone.524288KB_512reclen.fwrite 4746791 -42.7% 2718154 iozone.524288KB_512reclen.random_write 19508016 ± 3% -76.7% 4554188 iozone.524288KB_512reclen.record_rewrite 4780508 -42.2% 2760993 iozone.524288KB_512reclen.rewrite 3837538 -29.5% 2706869 iozone.524288KB_512reclen.write 3926273 ± 9% -33.7% 2604343 iozone.524288KB_64reclen.frewrite 3944643 ± 9% -33.6% 2619572 iozone.524288KB_64reclen.fwrite 3914786 ± 11% -36.3% 2494515 iozone.524288KB_64reclen.random_write 16885603 -72.5% 4643484 iozone.524288KB_64reclen.record_rewrite 4162202 ± 10% -35.4% 2690150 iozone.524288KB_64reclen.rewrite 3441256 ± 3% -25.9% 2550996 iozone.524288KB_64reclen.write 362644 -14.0% 311767 iozone.524288KB_8192reclen 3993424 -36.0% 2554829 iozone.524288KB_8192reclen.frewrite 4032514 -36.5% 2558672 iozone.524288KB_8192reclen.fwrite 4641322 -39.8% 2795171 iozone.524288KB_8192reclen.random_write 9775740 -62.4% 3678266 iozone.524288KB_8192reclen.record_rewrite 4608407 -39.1% 2805016 iozone.524288KB_8192reclen.rewrite 3621619 -27.0% 2643713 iozone.524288KB_8192reclen.write 4909141 ± 5% -23.9% 3735825 iozone.64KB_16reclen.fwrite 5620551 ± 3% -40.9% 3320783 ± 18% iozone.64KB_16reclen.random_write 5198727 ± 11% -30.8% 3598814 ± 3% iozone.64KB_16reclen.rewrite 6827564 ± 7% -40.7% 4048292 ± 2% iozone.64KB_32reclen.random_write 6643251 ± 15% -46.9% 3530003 ± 9% iozone.64KB_32reclen.record_rewrite 5518370 ± 19% -36.8% 3489900 ± 7% iozone.64KB_32reclen.rewrite 4191790 ± 5% -24.0% 3185742 ± 6% iozone.64KB_32reclen.write 7105671 ± 17% -41.5% 4156912 ± 2% iozone.64KB_64reclen.random_write 7617330 ± 17% -49.4% 3855326 ± 19% iozone.64KB_64reclen.record_rewrite 4074018 ± 3% -15.0% 3463076 ± 6% iozone.64KB_8reclen.frewrite 4039136 ± 6% -18.0% 3311987 ± 4% iozone.64KB_8reclen.random_write 4558024 ± 4% -26.2% 3363548 ± 9% iozone.64KB_8reclen.record_rewrite 382562 ± 7% -13.3% 331569 ± 4% iozone.65536KB_1024reclen 4092081 ± 7% -35.4% 2642056 ± 6% iozone.65536KB_1024reclen.frewrite 4161159 ± 11% -34.7% 2718285 ± 7% iozone.65536KB_1024reclen.fwrite 5187064 ± 11% -40.7% 3077306 ± 3% iozone.65536KB_1024reclen.random_write 12553394 -68.9% 3903051 ± 4% iozone.65536KB_1024reclen.record_rewrite 4784045 ± 3% -38.6% 2936477 iozone.65536KB_1024reclen.rewrite 3705706 ± 3% -24.7% 2791329 ± 6% iozone.65536KB_1024reclen.write 463891 ± 4% -18.0% 380583 ± 6% iozone.65536KB_128reclen 4212074 ± 8% -34.5% 2760210 ± 2% iozone.65536KB_128reclen.frewrite 4265070 ± 13% -32.9% 2861610 ± 6% iozone.65536KB_128reclen.fwrite 5271912 ± 6% -44.9% 2902920 ± 8% iozone.65536KB_128reclen.random_write 19766141 -76.3% 4693931 iozone.65536KB_128reclen.record_rewrite 4619347 ± 3% -38.9% 2823181 ± 2% iozone.65536KB_128reclen.rewrite 3765429 ± 7% -27.0% 2749712 ± 7% iozone.65536KB_128reclen.write 337213 ± 2% -13.0% 293416 ± 5% iozone.65536KB_16384reclen 3824995 -28.0% 2753337 iozone.65536KB_16384reclen.frewrite 3953756 ± 3% -28.9% 2812142 ± 3% iozone.65536KB_16384reclen.fwrite 5118255 ± 2% -43.4% 2897251 ± 8% iozone.65536KB_16384reclen.random_write 6645142 -53.6% 3081247 ± 3% iozone.65536KB_16384reclen.record_rewrite 4512696 -39.6% 2725527 ± 6% iozone.65536KB_16384reclen.rewrite 3548865 ± 3% -25.4% 2646406 ± 4% iozone.65536KB_16384reclen.write 375292 ± 3% -13.1% 326259 ± 4% iozone.65536KB_2048reclen 4144567 ± 2% -35.8% 2661965 iozone.65536KB_2048reclen.frewrite 4185808 ± 5% -35.9% 2681186 ± 7% iozone.65536KB_2048reclen.fwrite 5248186 ± 5% -41.6% 3063178 ± 3% iozone.65536KB_2048reclen.random_write 9925598 -62.5% 3724685 iozone.65536KB_2048reclen.record_rewrite 4748316 ± 2% -39.1% 2892203 iozone.65536KB_2048reclen.rewrite 3674009 ± 4% -25.0% 2755327 ± 7% iozone.65536KB_2048reclen.write 483217 ± 2% -18.9% 391679 ± 4% iozone.65536KB_256reclen 4518193 ± 2% -36.9% 2851143 iozone.65536KB_256reclen.frewrite 4668303 ± 4% -36.9% 2947454 ± 5% iozone.65536KB_256reclen.fwrite 5517524 ± 5% -46.5% 2953842 ± 7% iozone.65536KB_256reclen.random_write 20870509 ± 5% -77.3% 4746923 iozone.65536KB_256reclen.record_rewrite 4772900 ± 2% -39.7% 2879284 ± 2% iozone.65536KB_256reclen.rewrite 3746271 ± 6% -25.4% 2795894 ± 7% iozone.65536KB_256reclen.write 381798 ± 3% -13.5% 330387 ± 4% iozone.65536KB_4096reclen 4155773 ± 2% -34.4% 2727779 iozone.65536KB_4096reclen.frewrite 4152130 ± 3% -34.1% 2736605 ± 2% iozone.65536KB_4096reclen.fwrite 5257369 ± 3% -42.5% 3020776 ± 2% iozone.65536KB_4096reclen.random_write 9565767 -61.4% 3691743 iozone.65536KB_4096reclen.record_rewrite 4715969 ± 3% -39.0% 2878412 iozone.65536KB_4096reclen.rewrite 3642488 ± 2% -24.1% 2765485 ± 4% iozone.65536KB_4096reclen.write 452106 ± 2% -18.1% 370314 ± 5% iozone.65536KB_512reclen 4610457 -39.9% 2772499 ± 6% iozone.65536KB_512reclen.frewrite 4625412 ± 3% -37.7% 2883201 ± 6% iozone.65536KB_512reclen.fwrite 5655207 ± 5% -43.6% 3191984 ± 3% iozone.65536KB_512reclen.random_write 19138939 ± 5% -76.5% 4497103 ± 3% iozone.65536KB_512reclen.record_rewrite 4937791 ± 2% -39.8% 2970165 ± 2% iozone.65536KB_512reclen.rewrite 3985959 ± 4% -27.8% 2875993 ± 6% iozone.65536KB_512reclen.write 449581 ± 2% -20.3% 358227 ± 10% iozone.65536KB_64reclen 4166743 ± 2% -38.6% 2558116 ± 9% iozone.65536KB_64reclen.frewrite 4360973 ± 7% -37.1% 2742968 ± 8% iozone.65536KB_64reclen.fwrite 4920186 ± 5% -42.6% 2824014 ± 9% iozone.65536KB_64reclen.random_write 16946883 -72.7% 4633978 iozone.65536KB_64reclen.record_rewrite 4454967 -37.0% 2806195 iozone.65536KB_64reclen.rewrite 3578643 ± 2% -24.7% 2695662 ± 3% iozone.65536KB_64reclen.write 373375 ± 2% -12.8% 325741 ± 3% iozone.65536KB_8192reclen 4263550 ± 2% -33.6% 2832091 iozone.65536KB_8192reclen.frewrite 4331726 ± 3% -33.4% 2883302 iozone.65536KB_8192reclen.fwrite 5153310 ± 2% -41.8% 2999365 iozone.65536KB_8192reclen.random_write 8922135 -59.9% 3581782 iozone.65536KB_8192reclen.record_rewrite 4600090 ± 3% -37.6% 2871404 iozone.65536KB_8192reclen.rewrite 3590234 ± 2% -23.7% 2738353 ± 3% iozone.65536KB_8192reclen.write 536485 ± 2% -20.4% 427141 iozone.8192KB_1024reclen 7467350 ± 3% -45.5% 4070355 iozone.8192KB_1024reclen.frewrite 7153373 ± 2% -44.7% 3958141 iozone.8192KB_1024reclen.fwrite 9991905 ± 2% -57.1% 4283298 iozone.8192KB_1024reclen.random_write 12582519 ± 2% -67.8% 4048850 iozone.8192KB_1024reclen.record_rewrite 9330452 ± 2% -55.6% 4138265 iozone.8192KB_1024reclen.rewrite 6052907 ± 6% -41.7% 3526979 ± 12% iozone.8192KB_1024reclen.write 709418 ± 3% -20.8% 561644 iozone.8192KB_128reclen 9291417 ± 3% -53.7% 4300748 iozone.8192KB_128reclen.frewrite 9423660 ± 2% -54.0% 4333995 iozone.8192KB_128reclen.fwrite 10775295 -58.6% 4460428 ± 2% iozone.8192KB_128reclen.random_write 18856580 ± 9% -75.0% 4705899 iozone.8192KB_128reclen.record_rewrite 10171758 ± 2% -56.5% 4429681 ± 2% iozone.8192KB_128reclen.rewrite 6544203 ± 4% -38.4% 4034196 ± 8% iozone.8192KB_128reclen.write 527877 ± 2% -9.9% 475453 iozone.8192KB_16reclen 6016398 -34.7% 3930940 iozone.8192KB_16reclen.frewrite 6091335 ± 2% -34.5% 3990962 iozone.8192KB_16reclen.fwrite 6243180 -39.1% 3800859 iozone.8192KB_16reclen.random_write 8980079 ± 5% -51.2% 4379826 iozone.8192KB_16reclen.record_rewrite 6571065 ± 5% -36.4% 4180600 iozone.8192KB_16reclen.rewrite 5111432 ± 4% -24.8% 3841395 iozone.8192KB_16reclen.write 487748 -16.6% 406881 iozone.8192KB_2048reclen 7586775 ± 2% -43.0% 4327454 iozone.8192KB_2048reclen.frewrite 6842510 ± 4% -40.1% 4100707 ± 2% iozone.8192KB_2048reclen.fwrite 8333234 ± 4% -51.3% 4055843 iozone.8192KB_2048reclen.random_write 9758850 -60.8% 3821766 iozone.8192KB_2048reclen.record_rewrite 8031198 ± 3% -51.2% 3921374 iozone.8192KB_2048reclen.rewrite 725722 ± 2% -21.7% 568110 ± 2% iozone.8192KB_256reclen 9787389 ± 2% -54.7% 4429563 iozone.8192KB_256reclen.frewrite 9726488 ± 3% -54.6% 4412030 iozone.8192KB_256reclen.fwrite 11184217 ± 4% -59.1% 4574148 iozone.8192KB_256reclen.random_write 21438531 ± 2% -77.9% 4727229 iozone.8192KB_256reclen.record_rewrite 10374852 ± 6% -57.8% 4382911 ± 3% iozone.8192KB_256reclen.rewrite 6546620 ± 5% -39.9% 3937774 ± 6% iozone.8192KB_256reclen.write 613002 ± 2% -15.8% 516296 iozone.8192KB_32reclen 7478700 ± 2% -45.0% 4110493 iozone.8192KB_32reclen.frewrite 7610048 ± 2% -45.5% 4147126 iozone.8192KB_32reclen.fwrite 8189831 -49.0% 4177173 iozone.8192KB_32reclen.random_write 12979020 ± 6% -65.1% 4530879 iozone.8192KB_32reclen.record_rewrite 8193938 ± 3% -48.3% 4239423 ± 2% iozone.8192KB_32reclen.rewrite 5806015 ± 3% -33.9% 3840535 ± 7% iozone.8192KB_32reclen.write 469100 ± 3% -15.3% 397484 ± 3% iozone.8192KB_4096reclen 8233716 ± 10% -33.1% 5509394 ± 6% iozone.8192KB_4096reclen.frewrite 4839933 ± 5% -23.5% 3704468 ± 4% iozone.8192KB_4096reclen.fwrite 10918161 +2.0% 11133879 iozone.8192KB_4096reclen.random_read 8408425 -52.2% 4017320 iozone.8192KB_4096reclen.random_write 9028729 -57.6% 3825187 iozone.8192KB_4096reclen.record_rewrite 7735077 ± 4% -51.9% 3718859 ± 4% iozone.8192KB_4096reclen.rewrite 5142757 ± 3% -40.5% 3060077 ± 22% iozone.8192KB_4096reclen.write 316433 +2.1% 323057 iozone.8192KB_4reclen 3106713 ± 2% +5.6% 3279671 ± 2% iozone.8192KB_4reclen.frewrite 3140283 +5.1% 3300432 iozone.8192KB_4reclen.fwrite 2645331 +3.4% 2735643 iozone.8192KB_4reclen.random_write 3446241 +2.8% 3544056 iozone.8192KB_4reclen.record_rewrite 3142816 ± 2% +6.8% 3357075 ± 2% iozone.8192KB_4reclen.rewrite 2571214 +4.3% 2681876 iozone.8192KB_4reclen.write 690912 ± 3% -21.4% 543137 ± 5% iozone.8192KB_512reclen 8823289 ± 4% -51.7% 4263971 iozone.8192KB_512reclen.frewrite 8721143 ± 3% -51.6% 4219045 iozone.8192KB_512reclen.fwrite 11332724 ± 4% -61.4% 4377548 ± 10% iozone.8192KB_512reclen.random_write 18198176 ± 5% -74.9% 4559471 iozone.8192KB_512reclen.record_rewrite 10491585 ± 6% -57.6% 4453572 iozone.8192KB_512reclen.rewrite 6766302 ± 2% -38.8% 4137791 ± 2% iozone.8192KB_512reclen.write 672479 ± 2% -18.9% 545230 ± 2% iozone.8192KB_64reclen 8560533 ± 2% -50.3% 4255326 iozone.8192KB_64reclen.frewrite 8662238 -50.6% 4278340 iozone.8192KB_64reclen.fwrite 9832794 -55.4% 4382798 iozone.8192KB_64reclen.random_write 16983823 -72.6% 4650118 iozone.8192KB_64reclen.record_rewrite 9202810 ± 5% -52.7% 4349262 ± 3% iozone.8192KB_64reclen.rewrite 6018138 ± 7% -34.1% 3963336 ± 8% iozone.8192KB_64reclen.write 448642 ± 5% -16.5% 374574 ± 5% iozone.8192KB_8192reclen 7528275 ± 6% -51.0% 3688304 ± 6% iozone.8192KB_8192reclen.frewrite 7286598 ± 8% -48.7% 3735618 ± 5% iozone.8192KB_8192reclen.fwrite 8386142 -52.0% 4022082 iozone.8192KB_8192reclen.random_write 7856538 ± 4% -50.7% 3870160 ± 3% iozone.8192KB_8192reclen.record_rewrite 6713703 ± 9% -47.1% 3552732 ± 4% iozone.8192KB_8192reclen.rewrite 4238426 ± 2% -30.4% 2950520 ± 2% iozone.8192KB_8192reclen.write 440452 -5.1% 418148 iozone.8192KB_8reclen 4661396 -20.8% 3690317 iozone.8192KB_8reclen.frewrite 4723736 -21.0% 3730663 iozone.8192KB_8reclen.fwrite 4398923 -24.1% 3337557 iozone.8192KB_8reclen.random_write 6140932 -32.6% 4140905 iozone.8192KB_8reclen.record_rewrite 4957147 ± 3% -21.9% 3869391 ± 2% iozone.8192KB_8reclen.rewrite 5142761 -14.1% 4415674 iozone.average_KBps 59629216 ± 2% -40.1% 35705731 iozone.frewrite_KBps 56166023 ± 2% -39.0% 34244111 iozone.fwrite_KBps 69289910 -48.8% 35490335 iozone.random_write_KBps 1.167e+08 -65.7% 40053242 iozone.record_rewrite_KBps 60997806 ± 2% -43.8% 34252510 iozone.rewrite_KBps 5.00 +20.0% 6.00 iozone.time.percent_of_cpu_this_job_got 59.48 ± 2% +25.9% 74.88 iozone.time.system_time 43309617 -28.3% 31048210 iozone.write_KBps *************************************************************************************************** lkp-icl-2sp2: 128 threads 2 sockets Intel(R) Xeon(R) Gold 6338 CPU @ 2.00GHz (Ice Lake) with 256G memory ========================================================================================= compiler/cpufreq_governor/disk/filenum/fs/iomode/kconfig/nr_threads/period/rootfs/rwmode/size/tbox_group/testcase: gcc-12/performance/1SSD/1024f/btrfs/sync/x86_64-rhel-9.4/100%/600s/debian-12-x86_64-20240206.cgz/rndrw/64G/lkp-icl-2sp2/sysbench-fileio commit: b1c5f6eda2 ("btrfs: fix wrong sizeof in btrfs_do_encoded_write()") c87c299776 ("btrfs: make buffered write to copy one page a time") b1c5f6eda2d024c1 c87c299776e4d75bcc5559203ae ---------------- --------------------------- %stddev %change %stddev \ | \ 17.80 -3.4% 17.20 iostat.cpu.system 15.17 ±174% -14.2 0.98 ± 81% perf-profile.calltrace.cycles-pp.nohz_balance_exit_idle.nohz_balancer_kick.update_process_times.tick_nohz_handler.__hrtimer_run_queues 8.74 ±146% -7.7 1.04 ± 71% perf-profile.children.cycles-pp.nohz_balance_exit_idle 764625 -3.5% 737940 vmstat.io.bo 444094 -4.1% 425787 vmstat.system.cs 341789 -2.8% 332108 vmstat.system.in 0.00 ±113% +350.0% 0.01 ± 65% perf-sched.sch_delay.avg.ms.__cond_resched.btrfs_buffered_write.btrfs_do_write_iter.vfs_write.ksys_write 0.01 ± 8% +5097.6% 0.36 ±210% perf-sched.sch_delay.avg.ms.io_schedule.folio_wait_bit_common.folio_wait_writeback.__filemap_fdatawait_range 0.00 ±113% +818.8% 0.02 ± 94% perf-sched.sch_delay.max.ms.__cond_resched.btrfs_buffered_write.btrfs_do_write_iter.vfs_write.ksys_write 2153 ± 44% -51.5% 1043 ± 7% perf-sched.wait_and_delay.max.ms.pipe_read.vfs_read.ksys_read.do_syscall_64 0.01 ±105% +211.4% 0.02 ± 44% perf-sched.wait_time.avg.ms.__cond_resched.btrfs_buffered_write.btrfs_do_write_iter.vfs_write.ksys_write 8.14 ± 8% +54.1% 12.54 ± 43% perf-sched.wait_time.avg.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64 0.01 ±105% +394.3% 0.03 ± 72% perf-sched.wait_time.max.ms.__cond_resched.btrfs_buffered_write.btrfs_do_write_iter.vfs_write.ksys_write 1819 ± 27% -42.6% 1043 ± 7% perf-sched.wait_time.max.ms.pipe_read.vfs_read.ksys_read.do_syscall_64 84392433 -2.9% 81976360 proc-vmstat.nr_dirtied 93050 +1.5% 94482 proc-vmstat.nr_dirty 84157122 -2.8% 81787366 proc-vmstat.nr_written 94209 +1.4% 95555 proc-vmstat.nr_zone_write_pending 62929776 -1.9% 61711230 proc-vmstat.numa_hit 62786106 -1.9% 61579028 proc-vmstat.numa_local 63688616 -2.0% 62436738 proc-vmstat.pgalloc_normal 44616254 -3.2% 43186322 proc-vmstat.pgfree 5.153e+08 -2.8% 5.008e+08 proc-vmstat.pgpgout 79837 +2.6% 81891 proc-vmstat.pgreuse 244087 -4.9% 232177 sysbench-fileio.fsync_operations/s 0.40 +6.6% 0.43 sysbench-fileio.latency_avg_ms 64937141 +1.6% 65990858 sysbench-fileio.latency_sum_ms 234.12 -4.9% 222.68 sysbench-fileio.read_bytes_MB/s 223.27 -4.9% 212.37 sysbench-fileio.read_bytes_MiB/s 14289 -4.9% 13591 sysbench-fileio.read_operations/s 6.272e+08 -2.6% 6.11e+08 sysbench-fileio.time.file_system_outputs 79148 ± 3% +8.1% 85527 ± 4% sysbench-fileio.time.involuntary_context_switches 2205 -3.7% 2123 sysbench-fileio.time.percent_of_cpu_this_job_got 14518 -3.0% 14079 sysbench-fileio.time.system_time 287.66 -5.5% 271.94 sysbench-fileio.time.user_time 1.428e+08 -3.9% 1.373e+08 sysbench-fileio.time.voluntary_context_switches 156.08 -4.9% 148.46 sysbench-fileio.write_bytes_MB/s 148.85 -4.9% 141.58 sysbench-fileio.write_bytes_MiB/s 9526 -4.9% 9060 sysbench-fileio.write_operations/s 3.337e+09 -2.3% 3.261e+09 perf-stat.i.branch-instructions 446729 -4.1% 428414 perf-stat.i.context-switches 3.34 -1.3% 3.29 perf-stat.i.cpi 6.509e+10 -3.3% 6.294e+10 perf-stat.i.cpu-cycles 4618 ± 2% +6.7% 4928 perf-stat.i.cpu-migrations 1359 -3.0% 1318 perf-stat.i.cycles-between-cache-misses 1.793e+10 -2.3% 1.752e+10 perf-stat.i.instructions 3.48 -4.1% 3.33 perf-stat.i.metric.K/sec 29.38 -14.8 14.56 ±100% perf-stat.overall.cache-miss-rate% 3.63 -50.8% 1.79 ±100% perf-stat.overall.cpi 1479 -51.7% 714.36 ±100% perf-stat.overall.cycles-between-cache-misses 3.324e+09 -51.3% 1.62e+09 ±100% perf-stat.ps.branch-instructions 444783 -52.2% 212822 ±100% perf-stat.ps.context-switches 6.482e+10 -52.0% 3.112e+10 ±100% perf-stat.ps.cpu-cycles 1.786e+10 -51.2% 8.708e+09 ±100% perf-stat.ps.instructions 1.201e+13 -50.9% 5.893e+12 ±100% perf-stat.total.instructions *************************************************************************************************** lkp-kbl-d01: 8 threads 1 sockets Intel(R) Core(TM) i7-7700 CPU @ 3.60GHz (Kaby Lake) with 32G memory ========================================================================================= compiler/cpufreq_governor/disk/fs/iosched/kconfig/rootfs/tbox_group/testcase: gcc-12/performance/2HDD/btrfs/kyber/x86_64-rhel-9.4/debian-12-x86_64-20240206.cgz/lkp-kbl-d01/iozone commit: b1c5f6eda2 ("btrfs: fix wrong sizeof in btrfs_do_encoded_write()") c87c299776 ("btrfs: make buffered write to copy one page a time") b1c5f6eda2d024c1 c87c299776e4d75bcc5559203ae ---------------- --------------------------- %stddev %change %stddev \ | \ 1.05 ± 3% +0.3 1.35 mpstat.cpu.all.sys% 0.39 ± 10% +17.3% 0.46 ± 11% sched_debug.cfs_rq:/.h_nr_running.avg 23.55 -1.2% 23.26 iostat.cpu.iowait 1.23 ± 3% +23.8% 1.52 iostat.cpu.system 0.03 ± 5% +16.8% 0.04 ± 12% perf-sched.sch_delay.avg.ms.rcu_gp_kthread.kthread.ret_from_fork.ret_from_fork_asm 0.04 ± 32% -88.8% 0.00 ±173% perf-sched.sch_delay.avg.ms.wait_for_commit.btrfs_wait_for_commit.btrfs_attach_transaction_barrier.btrfs_sync_fs 0.04 ± 24% -84.4% 0.01 ±191% perf-sched.sch_delay.max.ms.wait_for_commit.btrfs_wait_for_commit.btrfs_attach_transaction_barrier.btrfs_sync_fs 24.46 ± 45% -71.5% 6.97 ±144% perf-sched.wait_time.avg.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.sync_inodes_sb 12.63 ± 83% -99.7% 0.04 ±217% perf-sched.wait_time.avg.ms.wait_for_commit.btrfs_wait_for_commit.btrfs_attach_transaction_barrier.btrfs_sync_fs 18.59 ± 72% -99.7% 0.05 ±218% perf-sched.wait_time.max.ms.wait_for_commit.btrfs_wait_for_commit.btrfs_attach_transaction_barrier.btrfs_sync_fs 40.90 -26.7% 30.00 perf-stat.i.MPKI 94960381 +25.6% 1.193e+08 perf-stat.i.branch-instructions 1.67 -0.2 1.47 perf-stat.i.branch-miss-rate% 1.49 ± 2% -11.9% 1.31 perf-stat.i.cpi 6.076e+08 ± 2% +14.4% 6.953e+08 perf-stat.i.cpu-cycles 4.902e+08 +28.1% 6.28e+08 perf-stat.i.instructions 0.73 ± 2% +11.0% 0.81 perf-stat.i.ipc 0.06 ± 11% -22.9% 0.05 ± 14% perf-stat.i.metric.K/sec 35.24 ± 44% +38.6% 48.83 perf-stat.overall.cycles-between-cache-misses 0.67 ± 44% +33.8% 0.90 perf-stat.overall.ipc 78962447 ± 44% +50.8% 1.191e+08 perf-stat.ps.branch-instructions 5.036e+08 ± 44% +37.9% 6.945e+08 perf-stat.ps.cpu-cycles 4.076e+08 ± 44% +53.9% 6.272e+08 perf-stat.ps.instructions 2.992e+11 ± 44% +56.0% 4.667e+11 perf-stat.total.instructions 0.28 ±100% +0.6 0.86 ± 31% perf-profile.calltrace.cycles-pp.btrfs_delalloc_reserve_metadata.btrfs_buffered_write.btrfs_do_write_iter.vfs_write.ksys_write 0.00 +0.7 0.69 ± 13% perf-profile.calltrace.cycles-pp.__set_extent_bit.__lock_extent.lock_and_cleanup_extent_if_need.btrfs_buffered_write.btrfs_do_write_iter 0.00 +0.7 0.72 ± 13% perf-profile.calltrace.cycles-pp.__lock_extent.lock_and_cleanup_extent_if_need.btrfs_buffered_write.btrfs_do_write_iter.vfs_write 0.00 +0.7 0.72 ± 11% perf-profile.calltrace.cycles-pp.filemap_dirty_folio.btrfs_dirty_page.btrfs_buffered_write.btrfs_do_write_iter.vfs_write 0.00 +0.8 0.83 ± 15% perf-profile.calltrace.cycles-pp.__set_extent_bit.set_extent_bit.btrfs_dirty_page.btrfs_buffered_write.btrfs_do_write_iter 0.36 ±100% +0.8 1.19 ± 21% perf-profile.calltrace.cycles-pp.__clear_extent_bit.btrfs_buffered_write.btrfs_do_write_iter.vfs_write.ksys_write 0.00 +0.8 0.84 ± 14% perf-profile.calltrace.cycles-pp.set_extent_bit.btrfs_dirty_page.btrfs_buffered_write.btrfs_do_write_iter.vfs_write 0.00 +0.9 0.92 ± 9% perf-profile.calltrace.cycles-pp.lock_and_cleanup_extent_if_need.btrfs_buffered_write.btrfs_do_write_iter.vfs_write.ksys_write 0.00 +1.1 1.10 ± 20% perf-profile.calltrace.cycles-pp.__filemap_get_folio.pagecache_get_page.prepare_one_page.btrfs_buffered_write.btrfs_do_write_iter 0.00 +1.1 1.12 ± 21% perf-profile.calltrace.cycles-pp.pagecache_get_page.prepare_one_page.btrfs_buffered_write.btrfs_do_write_iter.vfs_write 0.00 +1.2 1.25 ± 19% perf-profile.calltrace.cycles-pp.prepare_one_page.btrfs_buffered_write.btrfs_do_write_iter.vfs_write.ksys_write 9.26 ± 16% +2.6 11.81 ± 10% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.write 9.01 ± 16% +2.6 11.59 ± 9% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.write 8.84 ± 15% +2.6 11.45 ± 9% perf-profile.calltrace.cycles-pp.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write 8.92 ± 16% +2.6 11.55 ± 9% perf-profile.calltrace.cycles-pp.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write 8.60 ± 16% +2.7 11.26 ± 9% perf-profile.calltrace.cycles-pp.btrfs_do_write_iter.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +2.7 2.66 ± 17% perf-profile.calltrace.cycles-pp.btrfs_dirty_page.btrfs_buffered_write.btrfs_do_write_iter.vfs_write.ksys_write 8.50 ± 15% +2.7 11.19 ± 8% perf-profile.calltrace.cycles-pp.btrfs_buffered_write.btrfs_do_write_iter.vfs_write.ksys_write.do_syscall_64 25.33 ± 45% +7.9 33.20 ± 6% perf-profile.calltrace.cycles-pp.intel_idle_ibrs.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle 8.18 ± 7% -1.0 7.13 ± 8% perf-profile.children.cycles-pp.do_writepages 7.96 ± 7% -0.9 7.02 ± 8% perf-profile.children.cycles-pp.__filemap_fdatawrite_range 7.96 ± 7% -0.9 7.02 ± 8% perf-profile.children.cycles-pp.filemap_fdatawrite_wbc 0.80 ± 11% -0.2 0.58 ± 12% perf-profile.children.cycles-pp.__folio_mark_dirty 0.54 ± 13% -0.2 0.35 ± 27% perf-profile.children.cycles-pp.find_lock_delalloc_range 0.52 ± 16% -0.1 0.38 ± 16% perf-profile.children.cycles-pp.folio_account_dirtied 0.72 ± 12% -0.1 0.60 ± 15% perf-profile.children.cycles-pp.__folio_start_writeback 0.19 ± 24% -0.1 0.11 ± 45% perf-profile.children.cycles-pp.__mod_node_page_state 0.14 ± 33% -0.1 0.08 ± 31% perf-profile.children.cycles-pp.xas_set_mark 0.02 ±141% +0.1 0.08 ± 36% perf-profile.children.cycles-pp.do_dentry_open 0.02 ±141% +0.1 0.08 ± 36% perf-profile.children.cycles-pp.vfs_open 0.02 ±143% +0.1 0.11 ± 37% perf-profile.children.cycles-pp.perf_event_mmap 0.00 +0.1 0.11 ± 37% perf-profile.children.cycles-pp.perf_event_mmap_event 0.11 ± 67% +0.1 0.25 ± 13% perf-profile.children.cycles-pp.slab_show 0.05 ±107% +0.1 0.18 ± 46% perf-profile.children.cycles-pp.btrfs_reserve_data_bytes 0.08 ± 57% +0.1 0.22 ± 8% perf-profile.children.cycles-pp.seq_printf 0.10 ± 76% +0.1 0.25 ± 10% perf-profile.children.cycles-pp.vsnprintf 0.10 ± 57% +0.2 0.25 ± 14% perf-profile.children.cycles-pp.btrfs_block_rsv_release 0.30 ± 18% +0.2 0.46 ± 26% perf-profile.children.cycles-pp.kmem_cache_free 0.13 ± 53% +0.2 0.30 ± 20% perf-profile.children.cycles-pp.btrfs_inode_rsv_release 0.11 ± 32% +0.2 0.30 ± 34% perf-profile.children.cycles-pp.free_extent_state 0.00 +0.2 0.19 ± 41% perf-profile.children.cycles-pp.btrfs_drop_page 0.12 ± 54% +0.2 0.31 ± 31% perf-profile.children.cycles-pp.btrfs_delalloc_release_extents 0.16 ± 57% +0.2 0.37 ± 35% perf-profile.children.cycles-pp.set_state_bits 0.09 ± 72% +0.2 0.32 ± 30% perf-profile.children.cycles-pp.btrfs_check_data_free_space 0.19 ± 52% +0.3 0.45 ± 40% perf-profile.children.cycles-pp.__reserve_bytes 0.08 ± 95% +0.3 0.34 ± 28% perf-profile.children.cycles-pp.fault_in_iov_iter_readable 0.40 ± 25% +0.4 0.77 ± 9% perf-profile.children.cycles-pp.kmem_cache_alloc_noprof 0.37 ± 55% +0.4 0.73 ± 24% perf-profile.children.cycles-pp.clear_state_bit 0.36 ± 37% +0.4 0.78 ± 12% perf-profile.children.cycles-pp.alloc_extent_state 0.27 ± 51% +0.5 0.72 ± 14% perf-profile.children.cycles-pp.__lock_extent 0.40 ± 50% +0.5 0.88 ± 30% perf-profile.children.cycles-pp.btrfs_delalloc_reserve_metadata 0.38 ± 49% +0.5 0.87 ± 16% perf-profile.children.cycles-pp.set_extent_bit 0.35 ± 46% +0.6 0.92 ± 9% perf-profile.children.cycles-pp.lock_and_cleanup_extent_if_need 1.17 ± 20% +0.6 1.79 ± 16% perf-profile.children.cycles-pp._raw_spin_lock 0.64 ± 46% +0.9 1.54 ± 11% perf-profile.children.cycles-pp.__set_extent_bit 1.05 ± 42% +0.9 1.96 ± 19% perf-profile.children.cycles-pp.__clear_extent_bit 0.00 +1.2 1.25 ± 19% perf-profile.children.cycles-pp.prepare_one_page 8.87 ± 15% +2.6 11.47 ± 9% perf-profile.children.cycles-pp.vfs_write 8.96 ± 15% +2.6 11.57 ± 9% perf-profile.children.cycles-pp.ksys_write 8.60 ± 16% +2.7 11.27 ± 9% perf-profile.children.cycles-pp.btrfs_do_write_iter 0.00 +2.7 2.70 ± 16% perf-profile.children.cycles-pp.btrfs_dirty_page 8.52 ± 15% +2.7 11.23 ± 9% perf-profile.children.cycles-pp.btrfs_buffered_write 25.45 ± 45% +7.8 33.20 ± 6% perf-profile.children.cycles-pp.intel_idle_ibrs 0.13 ± 36% -0.1 0.08 ± 31% perf-profile.self.cycles-pp.xas_set_mark 0.13 ± 56% +0.2 0.28 ± 8% perf-profile.self.cycles-pp.btrfs_delalloc_reserve_metadata 0.10 ± 30% +0.2 0.28 ± 32% perf-profile.self.cycles-pp.free_extent_state 0.28 ± 40% +0.3 0.60 ± 13% perf-profile.self.cycles-pp.kmem_cache_alloc_noprof 1.01 ± 22% +0.5 1.49 ± 18% perf-profile.self.cycles-pp._raw_spin_lock 25.42 ± 45% +7.8 33.20 ± 6% perf-profile.self.cycles-pp.intel_idle_ibrs 404026 ± 8% -20.1% 322736 ± 5% iozone.1024KB_1024reclen 5779343 ± 8% -46.0% 3120020 ± 4% iozone.1024KB_1024reclen.frewrite 5520470 ± 8% -47.4% 2902678 ± 8% iozone.1024KB_1024reclen.fwrite 7595960 ± 23% -60.3% 3018802 ± 5% iozone.1024KB_1024reclen.random_write 7268453 ± 15% -56.1% 3187394 ± 10% iozone.1024KB_1024reclen.record_rewrite 6148488 ± 12% -49.5% 3107881 ± 8% iozone.1024KB_1024reclen.rewrite 3887031 ± 10% -28.6% 2775959 iozone.1024KB_1024reclen.write 480379 ± 3% -18.1% 393482 ± 5% iozone.1024KB_128reclen 6443434 ± 3% -47.5% 3385255 ± 3% iozone.1024KB_128reclen.frewrite 6286942 ± 6% -47.0% 3329021 ± 4% iozone.1024KB_128reclen.fwrite 8220107 ± 11% -56.1% 3607230 ± 3% iozone.1024KB_128reclen.random_write 10884743 ± 16% -70.5% 3214497 ± 15% iozone.1024KB_128reclen.record_rewrite 6539228 ± 4% -52.4% 3113754 ± 12% iozone.1024KB_128reclen.rewrite 4379578 ± 8% -40.0% 2626472 ± 12% iozone.1024KB_128reclen.write 299421 ± 5% -10.7% 267395 iozone.1024KB_16reclen 3996999 ± 11% -30.0% 2798786 ± 2% iozone.1024KB_16reclen.frewrite 4292405 ± 9% -32.3% 2905607 ± 3% iozone.1024KB_16reclen.fwrite 4301482 ± 7% -36.8% 2717189 ± 3% iozone.1024KB_16reclen.random_write 5666753 ± 11% -51.8% 2729481 ± 16% iozone.1024KB_16reclen.record_rewrite 4481831 ± 7% -33.0% 3004970 ± 6% iozone.1024KB_16reclen.rewrite 3477849 ± 12% -23.6% 2655911 ± 3% iozone.1024KB_16reclen.write 476237 ± 3% -22.0% 371524 ± 9% iozone.1024KB_256reclen 6810247 ± 8% -45.2% 3731155 ± 7% iozone.1024KB_256reclen.frewrite 6581797 ± 7% -46.4% 3528219 ± 4% iozone.1024KB_256reclen.fwrite 8923106 ± 7% -63.8% 3225985 ± 14% iozone.1024KB_256reclen.random_write 11411063 ± 8% -74.4% 2920507 ± 23% iozone.1024KB_256reclen.record_rewrite 6677329 ± 9% -53.1% 3133697 ± 6% iozone.1024KB_256reclen.rewrite 4742314 ± 5% -43.8% 2665096 ± 11% iozone.1024KB_256reclen.write 387624 ± 8% -18.9% 314517 ± 3% iozone.1024KB_32reclen 5275639 ± 10% -44.6% 2921319 ± 4% iozone.1024KB_32reclen.frewrite 5133958 ± 13% -41.8% 2990409 ± 6% iozone.1024KB_32reclen.fwrite 6099796 ± 6% -47.9% 3180923 ± 4% iozone.1024KB_32reclen.random_write 8251223 ± 15% -60.1% 3293523 ± 2% iozone.1024KB_32reclen.record_rewrite 5514773 -45.3% 3018489 ± 4% iozone.1024KB_32reclen.rewrite 4085563 ± 7% -33.1% 2733760 ± 7% iozone.1024KB_32reclen.write 8121273 ± 11% -39.7% 4894208 ± 4% iozone.1024KB_512reclen.frewrite 4559484 ± 10% -25.2% 3410930 ± 4% iozone.1024KB_512reclen.fwrite 8155517 ± 14% -60.2% 3243802 ± 8% iozone.1024KB_512reclen.random_write 8781751 ± 20% -63.3% 3224865 ± 3% iozone.1024KB_512reclen.record_rewrite 6229116 ± 16% -48.6% 3198827 ± 5% iozone.1024KB_512reclen.rewrite 4347573 ± 8% -32.7% 2923786 ± 5% iozone.1024KB_512reclen.write 472615 ± 5% -19.0% 383049 ± 5% iozone.1024KB_64reclen 5744325 ± 8% -45.3% 3140431 ± 10% iozone.1024KB_64reclen.frewrite 5722211 ± 8% -44.4% 3180853 ± 7% iozone.1024KB_64reclen.fwrite 7092470 ± 6% -53.5% 3296493 ± 4% iozone.1024KB_64reclen.random_write 10932587 ± 12% -68.8% 3411418 ± 3% iozone.1024KB_64reclen.record_rewrite 6410689 ± 13% -48.4% 3308809 ± 3% iozone.1024KB_64reclen.rewrite 4686039 ± 10% -36.7% 2964454 ± 5% iozone.1024KB_64reclen.write 3176666 ± 13% -26.0% 2350845 ± 13% iozone.1024KB_8reclen.frewrite 3260613 ± 10% -25.4% 2430999 ± 5% iozone.1024KB_8reclen.fwrite 3027211 ± 16% -25.8% 2245006 ± 5% iozone.1024KB_8reclen.random_write 3467121 ± 14% -31.9% 2361237 ± 7% iozone.1024KB_8reclen.record_rewrite 3238895 ± 13% -19.5% 2608521 ± 4% iozone.1024KB_8reclen.rewrite 2967947 ± 6% -20.2% 2367737 ± 7% iozone.1024KB_8reclen.write 5972578 ± 17% -48.0% 3106248 ± 11% iozone.128KB_128reclen.frewrite 6234234 ± 16% -48.4% 3214381 ± 6% iozone.128KB_128reclen.fwrite 6367969 ± 18% -47.4% 3350240 ± 3% iozone.128KB_128reclen.random_write 6485048 ± 16% -49.1% 3302444 ± 2% iozone.128KB_128reclen.record_rewrite 5871537 ± 16% -50.3% 2917168 ± 23% iozone.128KB_128reclen.rewrite 4188255 ± 10% -32.4% 2829753 ± 7% iozone.128KB_128reclen.write 4246115 ± 6% -31.6% 2904229 ± 15% iozone.128KB_16reclen.frewrite 4294051 ± 8% -31.6% 2938769 ± 17% iozone.128KB_16reclen.fwrite 3953683 ± 5% -34.3% 2598443 ± 16% iozone.128KB_16reclen.random_write 4874725 ± 4% -44.8% 2688912 ± 15% iozone.128KB_16reclen.record_rewrite 4427850 ± 8% -35.7% 2845297 ± 13% iozone.128KB_16reclen.rewrite 3447668 ± 9% -25.9% 2555642 ± 15% iozone.128KB_16reclen.write 5363997 ± 10% -36.1% 3428810 ± 15% iozone.128KB_32reclen.frewrite 5213895 ± 14% -31.9% 3551187 ± 15% iozone.128KB_32reclen.fwrite 5070545 ± 10% -42.8% 2900559 ± 13% iozone.128KB_32reclen.random_write 6108263 ± 11% -52.0% 2931575 ± 13% iozone.128KB_32reclen.record_rewrite 4891011 ± 7% -43.1% 2783075 ± 15% iozone.128KB_32reclen.rewrite 3720260 ± 10% -28.1% 2673930 ± 15% iozone.128KB_32reclen.write 8113389 ± 21% -42.7% 4652126 ± 22% iozone.128KB_64reclen.frewrite 5894858 ± 16% -44.2% 3287762 iozone.128KB_64reclen.random_write 6703523 ± 16% -51.2% 3272488 ± 2% iozone.128KB_64reclen.record_rewrite 3325282 ± 8% -24.9% 2498270 ± 15% iozone.128KB_8reclen.fwrite 2858073 ± 11% -25.9% 2118973 ± 16% iozone.128KB_8reclen.random_write 3332162 ± 11% -29.8% 2337539 ± 15% iozone.128KB_8reclen.record_rewrite 2790298 ± 7% -18.1% 2285025 ± 15% iozone.128KB_8reclen.write 556595 ± 2% -24.9% 418035 iozone.131072KB_1024reclen 7283879 ± 10% -53.7% 3375992 ± 3% iozone.131072KB_1024reclen.frewrite 7603171 ± 7% -54.8% 3440316 ± 2% iozone.131072KB_1024reclen.fwrite 9011412 ± 5% -59.8% 3619676 iozone.131072KB_1024reclen.random_write 16871237 ± 3% -77.8% 3751658 iozone.131072KB_1024reclen.record_rewrite 8768236 ± 5% -57.7% 3705171 iozone.131072KB_1024reclen.rewrite 5576785 ± 6% -39.2% 3390303 iozone.131072KB_1024reclen.write 540004 ± 3% -24.5% 407855 ± 3% iozone.131072KB_128reclen 7567260 ± 4% -53.8% 3497294 iozone.131072KB_128reclen.frewrite 7543641 ± 4% -53.8% 3483685 iozone.131072KB_128reclen.fwrite 8214156 ± 5% -57.6% 3483198 ± 3% iozone.131072KB_128reclen.random_write 15791699 ± 6% -76.3% 3749820 iozone.131072KB_128reclen.record_rewrite 8530694 ± 3% -56.1% 3741683 iozone.131072KB_128reclen.rewrite 5440759 ± 6% -37.8% 3384168 iozone.131072KB_128reclen.write 355415 ± 6% -14.9% 302352 ± 5% iozone.131072KB_16384reclen 5293019 ± 4% -40.1% 3170551 ± 2% iozone.131072KB_16384reclen.frewrite 5102705 ± 8% -38.2% 3154449 iozone.131072KB_16384reclen.fwrite 6085033 ± 9% -48.0% 3161684 ± 2% iozone.131072KB_16384reclen.random_write 6714005 ± 7% -56.4% 2924415 ± 2% iozone.131072KB_16384reclen.record_rewrite 5912564 ± 4% -45.4% 3229169 iozone.131072KB_16384reclen.rewrite 4361256 ± 4% -31.3% 2995716 iozone.131072KB_16384reclen.write 524466 ± 4% -20.9% 414665 ± 2% iozone.131072KB_2048reclen 5642668 ± 13% -46.8% 3004614 ± 4% iozone.131072KB_2048reclen.frewrite 6069745 ± 13% -49.3% 3075768 ± 2% iozone.131072KB_2048reclen.fwrite 7818775 ± 10% -55.6% 3472227 ± 3% iozone.131072KB_2048reclen.random_write 16255595 ± 6% -77.6% 3647697 iozone.131072KB_2048reclen.record_rewrite 7549840 ± 13% -53.6% 3503649 ± 3% iozone.131072KB_2048reclen.rewrite 5063081 ± 16% -34.3% 3325803 ± 2% iozone.131072KB_2048reclen.write 543287 ± 2% -23.5% 415738 iozone.131072KB_256reclen 7525988 ± 4% -53.7% 3486107 iozone.131072KB_256reclen.frewrite 7551370 ± 4% -54.9% 3405302 ± 4% iozone.131072KB_256reclen.fwrite 8775926 ± 4% -58.7% 3622848 iozone.131072KB_256reclen.random_write 16089046 ± 4% -76.7% 3741974 iozone.131072KB_256reclen.record_rewrite 8961286 ± 5% -58.1% 3753775 iozone.131072KB_256reclen.rewrite 5329259 ± 3% -36.2% 3398000 iozone.131072KB_256reclen.write 467257 ± 6% -20.9% 369445 ± 5% iozone.131072KB_4096reclen 5344053 ± 10% -45.8% 2894013 ± 3% iozone.131072KB_4096reclen.frewrite 5178859 ± 11% -44.2% 2888296 iozone.131072KB_4096reclen.fwrite 7091453 ± 8% -53.9% 3267343 iozone.131072KB_4096reclen.random_write 9958856 ± 23% -69.0% 3089468 ± 8% iozone.131072KB_4096reclen.record_rewrite 6790908 ± 9% -52.0% 3257618 ± 3% iozone.131072KB_4096reclen.rewrite 4657075 ± 6% -33.3% 3104395 ± 2% iozone.131072KB_4096reclen.write 550746 ± 2% -24.2% 417706 ± 2% iozone.131072KB_512reclen 7643592 ± 4% -54.3% 3492423 iozone.131072KB_512reclen.frewrite 7622635 ± 4% -54.9% 3434029 ± 3% iozone.131072KB_512reclen.fwrite 9038913 ± 4% -59.4% 3665678 iozone.131072KB_512reclen.random_write 16159032 ± 3% -77.0% 3721799 iozone.131072KB_512reclen.record_rewrite 9021758 ± 4% -58.6% 3732833 iozone.131072KB_512reclen.rewrite 5550664 ± 6% -39.9% 3337160 ± 4% iozone.131072KB_512reclen.write 495904 ± 4% -21.7% 388115 ± 2% iozone.131072KB_64reclen 6944981 ± 4% -50.3% 3452635 iozone.131072KB_64reclen.frewrite 6941633 ± 5% -50.4% 3443365 iozone.131072KB_64reclen.fwrite 7083196 ± 6% -53.3% 3311192 iozone.131072KB_64reclen.random_write 13356791 ± 8% -72.4% 3689259 iozone.131072KB_64reclen.record_rewrite 7656280 ± 5% -52.0% 3675163 iozone.131072KB_64reclen.rewrite 4889990 ± 14% -31.2% 3364128 iozone.131072KB_64reclen.write 375509 ± 5% -18.4% 306526 ± 5% iozone.131072KB_8192reclen 5144601 ± 8% -42.1% 2979704 iozone.131072KB_8192reclen.frewrite 4994124 ± 9% -40.5% 2973687 iozone.131072KB_8192reclen.fwrite 5966882 ± 7% -47.6% 3128779 ± 3% iozone.131072KB_8192reclen.random_write 6897733 ± 12% -55.5% 3068179 iozone.131072KB_8192reclen.record_rewrite 6166392 ± 7% -48.4% 3179624 ± 3% iozone.131072KB_8192reclen.rewrite 4547664 ± 4% -34.3% 2985575 iozone.131072KB_8192reclen.write 502575 ± 3% -26.1% 371228 ± 9% iozone.16384KB_1024reclen 10293176 ± 6% -9.5% 9320083 ± 6% iozone.16384KB_1024reclen.bkwd_read 6646368 ± 3% -49.2% 3376676 ± 6% iozone.16384KB_1024reclen.frewrite 6339526 ± 6% -47.3% 3339024 ± 6% iozone.16384KB_1024reclen.fwrite 8911501 ± 7% -61.4% 3442980 ± 14% iozone.16384KB_1024reclen.random_write 16155159 ± 3% -78.0% 3546393 ± 7% iozone.16384KB_1024reclen.record_rewrite 7372124 ± 8% -54.3% 3369335 ± 9% iozone.16384KB_1024reclen.rewrite 5245926 ± 6% -42.3% 3029117 ± 14% iozone.16384KB_1024reclen.write 500856 ± 2% -25.0% 375560 ± 2% iozone.16384KB_128reclen 6866695 ± 6% -51.8% 3308318 ± 5% iozone.16384KB_128reclen.frewrite 7195384 ± 2% -55.9% 3173530 ± 12% iozone.16384KB_128reclen.fwrite 8774656 ± 4% -58.5% 3640393 iozone.16384KB_128reclen.random_write 15591161 ± 6% -75.9% 3754231 iozone.16384KB_128reclen.record_rewrite 7949451 -55.1% 3568843 ± 5% iozone.16384KB_128reclen.rewrite 5252802 ± 6% -37.5% 3281669 ± 6% iozone.16384KB_128reclen.write 396193 -24.2% 300141 ± 8% iozone.16384KB_16384reclen 6388871 ± 4% -50.1% 3189918 iozone.16384KB_16384reclen.frewrite 6534523 ± 4% -51.8% 3151340 ± 5% iozone.16384KB_16384reclen.fwrite 6456084 ± 5% -52.7% 3053804 ± 11% iozone.16384KB_16384reclen.random_write 6672258 -54.2% 3057919 ± 10% iozone.16384KB_16384reclen.record_rewrite 6171950 ± 5% -49.0% 3148548 ± 3% iozone.16384KB_16384reclen.rewrite 4441138 ± 5% -37.0% 2797259 ± 11% iozone.16384KB_16384reclen.write 4823195 ± 4% -37.8% 2998684 ± 3% iozone.16384KB_16reclen.frewrite 4601430 ± 7% -32.9% 3087716 iozone.16384KB_16reclen.fwrite 4180916 ± 8% -33.1% 2798844 ± 2% iozone.16384KB_16reclen.random_write 5667637 ± 5% -44.9% 3122971 ± 2% iozone.16384KB_16reclen.record_rewrite 4955347 ± 5% -35.1% 3214593 ± 2% iozone.16384KB_16reclen.rewrite 473227 ± 7% -21.4% 371728 ± 6% iozone.16384KB_2048reclen 5739847 ± 15% -43.7% 3233427 ± 7% iozone.16384KB_2048reclen.frewrite 6333846 ± 3% -47.4% 3333479 ± 2% iozone.16384KB_2048reclen.fwrite 8062496 ± 11% -58.0% 3389775 ± 9% iozone.16384KB_2048reclen.random_write 14684802 ± 9% -74.8% 3698168 iozone.16384KB_2048reclen.record_rewrite 6685406 ± 10% -48.8% 3425186 ± 3% iozone.16384KB_2048reclen.rewrite 4783654 ± 10% -36.9% 3017283 ± 9% iozone.16384KB_2048reclen.write 501522 ± 2% -24.6% 378391 ± 2% iozone.16384KB_256reclen 6882929 ± 3% -50.8% 3387288 ± 4% iozone.16384KB_256reclen.frewrite 7052407 ± 6% -53.1% 3310175 ± 7% iozone.16384KB_256reclen.fwrite 9032840 ± 4% -59.6% 3650079 ± 5% iozone.16384KB_256reclen.random_write 16000820 ± 4% -77.4% 3615234 ± 7% iozone.16384KB_256reclen.record_rewrite 8093572 ± 3% -55.8% 3577186 ± 4% iozone.16384KB_256reclen.rewrite 5364208 ± 6% -38.6% 3294480 ± 3% iozone.16384KB_256reclen.write 399141 ± 5% -18.6% 325048 ± 3% iozone.16384KB_32reclen 10066483 ± 3% -8.9% 9165856 ± 7% iozone.16384KB_32reclen.fread 10168580 ± 3% -8.3% 9327535 ± 4% iozone.16384KB_32reclen.freread 5723442 ± 8% -46.5% 3061356 ± 12% iozone.16384KB_32reclen.frewrite 5547324 ± 11% -43.2% 3148213 ± 6% iozone.16384KB_32reclen.fwrite 5623221 ± 11% -43.8% 3158882 ± 5% iozone.16384KB_32reclen.random_write 8720163 ± 7% -62.1% 3303932 ± 9% iozone.16384KB_32reclen.record_rewrite 6067131 ± 10% -44.4% 3370477 ± 5% iozone.16384KB_32reclen.rewrite 4440172 ± 9% -31.0% 3063071 ± 7% iozone.16384KB_32reclen.write 421223 ± 5% -13.4% 364901 ± 2% iozone.16384KB_4096reclen 6166229 ± 8% -39.7% 3715837 ± 2% iozone.16384KB_4096reclen.frewrite 6007088 ± 9% -39.0% 3665450 ± 3% iozone.16384KB_4096reclen.fwrite 7077043 ± 13% -50.6% 3493249 ± 3% iozone.16384KB_4096reclen.random_write 9964873 ± 11% -65.1% 3482055 ± 3% iozone.16384KB_4096reclen.record_rewrite 6184702 ± 5% -47.1% 3269031 iozone.16384KB_4096reclen.rewrite 4538005 ± 8% -33.3% 3027051 ± 2% iozone.16384KB_4096reclen.write 2049020 ± 8% +8.4% 2220129 ± 2% iozone.16384KB_4reclen.frewrite 1789750 ± 6% +8.0% 1933158 iozone.16384KB_4reclen.record_rewrite 494259 ± 3% -22.7% 381984 ± 5% iozone.16384KB_512reclen 6748999 ± 5% -50.7% 3328128 ± 6% iozone.16384KB_512reclen.frewrite 6687674 ± 4% -52.1% 3203532 ± 13% iozone.16384KB_512reclen.fwrite 8480038 ± 15% -57.1% 3635705 ± 6% iozone.16384KB_512reclen.random_write 15766929 ± 5% -77.0% 3631363 ± 6% iozone.16384KB_512reclen.record_rewrite 7773133 ± 2% -54.9% 3502963 ± 6% iozone.16384KB_512reclen.rewrite 5301780 ± 3% -38.8% 3242233 ± 6% iozone.16384KB_512reclen.write 465431 -24.3% 352331 ± 6% iozone.16384KB_64reclen 6370739 ± 8% -47.4% 3350737 ± 2% iozone.16384KB_64reclen.frewrite 6523478 ± 3% -49.8% 3271535 ± 6% iozone.16384KB_64reclen.fwrite 7573757 ± 4% -56.8% 3270565 ± 13% iozone.16384KB_64reclen.random_write 12463547 ± 4% -70.8% 3642499 iozone.16384KB_64reclen.record_rewrite 7391311 ± 2% -54.1% 3391977 ± 7% iozone.16384KB_64reclen.rewrite 5008942 ± 7% -41.0% 2954378 ± 17% iozone.16384KB_64reclen.write 391993 -15.1% 332951 ± 2% iozone.16384KB_8192reclen 8341214 ± 5% -39.4% 5058416 ± 5% iozone.16384KB_8192reclen.frewrite 5672835 ± 7% -29.8% 3983885 ± 7% iozone.16384KB_8192reclen.fwrite 6224158 ± 6% -46.2% 3346580 iozone.16384KB_8192reclen.random_write 6748212 ± 5% -52.9% 3175726 ± 2% iozone.16384KB_8192reclen.record_rewrite 6137617 ± 5% -48.1% 3185708 ± 2% iozone.16384KB_8192reclen.rewrite 4332394 ± 9% -34.2% 2848563 ± 11% iozone.16384KB_8192reclen.write 236378 -8.3% 216744 ± 7% iozone.16384KB_8reclen 3537772 ± 7% -22.8% 2730676 iozone.16384KB_8reclen.frewrite 3389032 ± 11% -19.7% 2721082 iozone.16384KB_8reclen.fwrite 3686254 ± 13% -28.7% 2626627 ± 2% iozone.16384KB_8reclen.record_rewrite 3748926 ± 8% -23.0% 2886966 iozone.16384KB_8reclen.rewrite 6836731 ± 9% -28.6% 4884626 ± 15% iozone.2048KB_1024reclen.frewrite 8202740 ± 8% -55.6% 3644862 ± 2% iozone.2048KB_1024reclen.random_write 6719919 ± 20% -50.6% 3319142 ± 8% iozone.2048KB_1024reclen.record_rewrite 5154945 ± 17% -43.7% 2900878 ± 4% iozone.2048KB_1024reclen.rewrite 6855424 ± 11% -53.8% 3170377 ± 4% iozone.2048KB_128reclen.frewrite 6667708 ± 6% -49.1% 3395053 ± 5% iozone.2048KB_128reclen.fwrite 8305700 ± 16% -56.9% 3577221 ± 5% iozone.2048KB_128reclen.random_write 13050534 ± 13% -73.4% 3466133 ± 5% iozone.2048KB_128reclen.record_rewrite 7308813 ± 14% -55.0% 3290657 ± 3% iozone.2048KB_128reclen.rewrite 4992493 ± 3% -39.6% 3016190 ± 5% iozone.2048KB_128reclen.write 306815 ± 4% -13.0% 266929 iozone.2048KB_16reclen 4236894 ± 7% -33.1% 2834252 ± 5% iozone.2048KB_16reclen.frewrite 4446168 ± 7% -38.6% 2728494 ± 3% iozone.2048KB_16reclen.fwrite 4123681 ± 5% -31.8% 2812183 iozone.2048KB_16reclen.random_write 5747492 ± 8% -52.2% 2744589 ± 12% iozone.2048KB_16reclen.record_rewrite 4667894 ± 7% -35.4% 3013487 ± 4% iozone.2048KB_16reclen.rewrite 3702137 ± 7% -21.1% 2919899 ± 3% iozone.2048KB_16reclen.write 5910897 ± 11% -52.9% 2785979 ± 13% iozone.2048KB_2048reclen.frewrite 6013474 ± 14% -52.1% 2878111 ± 16% iozone.2048KB_2048reclen.fwrite 10690202 ± 13% -64.9% 3756371 ± 14% iozone.2048KB_2048reclen.random_write 6212344 ± 20% -50.2% 3091598 ± 16% iozone.2048KB_2048reclen.record_rewrite 5276785 ± 13% -47.7% 2760399 ± 13% iozone.2048KB_2048reclen.rewrite 3998119 ± 8% -29.1% 2836278 ± 11% iozone.2048KB_2048reclen.write 6633759 ± 9% -51.5% 3218824 ± 8% iozone.2048KB_256reclen.frewrite 6329173 ± 8% -46.3% 3398214 ± 4% iozone.2048KB_256reclen.fwrite 7819350 ± 19% -55.2% 3501850 ± 6% iozone.2048KB_256reclen.random_write 11989233 ± 14% -71.4% 3424885 ± 6% iozone.2048KB_256reclen.record_rewrite 7056075 ± 17% -53.6% 3272935 ± 5% iozone.2048KB_256reclen.rewrite 4733134 ± 19% -35.5% 3051341 ± 6% iozone.2048KB_256reclen.write 375013 ± 4% -20.6% 297592 ± 12% iozone.2048KB_32reclen 5269739 ± 9% -45.7% 2858907 ± 12% iozone.2048KB_32reclen.frewrite 5178543 ± 7% -44.5% 2871717 ± 12% iozone.2048KB_32reclen.fwrite 5138533 ± 4% -42.1% 2972723 ± 11% iozone.2048KB_32reclen.random_write 8859050 ± 5% -64.9% 3105152 ± 13% iozone.2048KB_32reclen.record_rewrite 5481755 ± 14% -47.3% 2890654 ± 11% iozone.2048KB_32reclen.rewrite 4133954 ± 4% -32.8% 2777714 ± 12% iozone.2048KB_32reclen.write 5935222 ± 18% -41.0% 3503137 ± 6% iozone.2048KB_512reclen.frewrite 5755516 ± 14% -40.4% 3432196 ± 3% iozone.2048KB_512reclen.fwrite 7882965 ± 13% -55.4% 3518040 ± 6% iozone.2048KB_512reclen.random_write 9812967 ± 27% -69.2% 3023544 ± 16% iozone.2048KB_512reclen.record_rewrite 6668951 ± 10% -52.4% 3173521 ± 6% iozone.2048KB_512reclen.rewrite 4387223 ± 16% -32.3% 2971535 ± 4% iozone.2048KB_512reclen.write 452484 ± 11% -20.8% 358435 ± 9% iozone.2048KB_64reclen 5940340 ± 12% -48.7% 3048096 ± 4% iozone.2048KB_64reclen.frewrite 6047329 ± 4% -48.5% 3114050 ± 3% iozone.2048KB_64reclen.fwrite 6736254 ± 8% -51.0% 3299184 ± 4% iozone.2048KB_64reclen.random_write 11611764 ± 8% -70.8% 3394295 ± 4% iozone.2048KB_64reclen.record_rewrite 6392041 ± 11% -50.1% 3188337 ± 3% iozone.2048KB_64reclen.rewrite 4636089 ± 4% -33.3% 3091914 ± 3% iozone.2048KB_64reclen.write 3081425 ± 7% -25.0% 2309660 ± 7% iozone.2048KB_8reclen.random_write 3470896 ± 16% -30.0% 2429657 ± 14% iozone.2048KB_8reclen.record_rewrite 3476842 ± 12% -25.7% 2584243 ± 8% iozone.2048KB_8reclen.rewrite 2896290 ± 7% -13.1% 2517752 ± 2% iozone.2048KB_8reclen.write 9446659 ± 19% -49.8% 4740773 ± 19% iozone.256KB_128reclen.frewrite 7603751 ± 19% -52.2% 3638190 ± 2% iozone.256KB_128reclen.random_write 8755883 ± 17% -61.4% 3383990 ± 4% iozone.256KB_128reclen.record_rewrite 6438162 ± 21% -51.5% 3123611 ± 9% iozone.256KB_128reclen.rewrite 4297120 ± 18% -36.8% 2716274 ± 14% iozone.256KB_128reclen.write 4559373 ± 4% -39.9% 2739746 ± 15% iozone.256KB_16reclen.frewrite 4647079 ± 5% -33.3% 3101322 ± 4% iozone.256KB_16reclen.fwrite 4386424 ± 8% -36.9% 2767743 ± 2% iozone.256KB_16reclen.random_write 5309170 ± 7% -49.1% 2704335 ± 8% iozone.256KB_16reclen.record_rewrite 4649650 ± 6% -37.2% 2921374 ± 9% iozone.256KB_16reclen.rewrite 6300156 ± 18% -52.8% 2972816 ± 6% iozone.256KB_256reclen.frewrite 6706970 ± 16% -52.9% 3160789 ± 9% iozone.256KB_256reclen.fwrite 7540355 ± 18% -54.4% 3436809 ± 5% iozone.256KB_256reclen.random_write 7477530 ± 13% -53.8% 3451828 ± 8% iozone.256KB_256reclen.record_rewrite 6516052 ± 14% -53.2% 3051536 ± 5% iozone.256KB_256reclen.rewrite 4441003 ± 14% -36.4% 2826469 ± 11% iozone.256KB_256reclen.write 5352524 ± 16% -40.9% 3161312 ± 13% iozone.256KB_32reclen.frewrite 5358245 ± 15% -39.6% 3235923 ± 12% iozone.256KB_32reclen.fwrite 5690762 ± 2% -45.2% 3120219 ± 4% iozone.256KB_32reclen.random_write 7748557 ± 4% -59.1% 3172741 ± 4% iozone.256KB_32reclen.record_rewrite 5649007 ± 10% -46.7% 3009095 ± 12% iozone.256KB_32reclen.rewrite 6259857 ± 16% -43.4% 3542430 ± 9% iozone.256KB_64reclen.frewrite 6914597 ± 17% -48.2% 3583163 ± 10% iozone.256KB_64reclen.fwrite 6646532 ± 18% -49.1% 3381439 ± 8% iozone.256KB_64reclen.random_write 8821271 ± 16% -63.1% 3258484 ± 6% iozone.256KB_64reclen.record_rewrite 6218666 ± 16% -54.0% 2857628 ± 12% iozone.256KB_64reclen.rewrite 4063725 ± 16% -34.2% 2675796 ± 11% iozone.256KB_64reclen.write 3309908 ± 6% -20.3% 2637427 ± 2% iozone.256KB_8reclen.frewrite 3387771 ± 6% -23.0% 2607782 ± 10% iozone.256KB_8reclen.fwrite 3449324 ± 9% -21.5% 2709361 ± 4% iozone.256KB_8reclen.rewrite 2940894 ± 5% -17.1% 2436701 ± 7% iozone.256KB_8reclen.write 565917 ± 3% -24.7% 426394 iozone.262144KB_1024reclen 7426604 ± 4% -53.6% 3447449 iozone.262144KB_1024reclen.frewrite 7465832 ± 7% -54.1% 3426029 iozone.262144KB_1024reclen.fwrite 9241493 ± 4% -60.5% 3646617 iozone.262144KB_1024reclen.random_write 16705624 ± 3% -77.8% 3710189 iozone.262144KB_1024reclen.record_rewrite 9117761 ± 4% -59.0% 3739487 iozone.262144KB_1024reclen.rewrite 5658804 ± 6% -41.1% 3333708 iozone.262144KB_1024reclen.write 548834 ± 2% -24.2% 415789 ± 3% iozone.262144KB_128reclen 7580407 ± 4% -53.9% 3496669 iozone.262144KB_128reclen.frewrite 7599726 ± 4% -54.1% 3491630 iozone.262144KB_128reclen.fwrite 8254162 ± 5% -58.6% 3419671 iozone.262144KB_128reclen.random_write 15674857 ± 5% -76.0% 3757127 iozone.262144KB_128reclen.record_rewrite 8578160 ± 4% -56.7% 3716083 iozone.262144KB_128reclen.rewrite 5455478 ± 6% -38.4% 3362617 iozone.262144KB_128reclen.write 5122765 ± 8% -41.8% 2979344 ± 3% iozone.262144KB_16384reclen.frewrite 5043992 ± 9% -42.0% 2924477 ± 2% iozone.262144KB_16384reclen.fwrite 6495456 ± 8% -51.1% 3175821 ± 2% iozone.262144KB_16384reclen.random_write 6973977 ± 10% -58.0% 2927753 ± 2% iozone.262144KB_16384reclen.record_rewrite 6455402 ± 8% -50.1% 3223833 iozone.262144KB_16384reclen.rewrite 4302269 ± 4% -32.8% 2890933 ± 2% iozone.262144KB_16384reclen.write 542367 ± 2% -22.9% 418397 ± 4% iozone.262144KB_2048reclen 6322086 ± 6% -52.1% 3028214 ± 3% iozone.262144KB_2048reclen.frewrite 6134575 ± 10% -50.6% 3028663 ± 3% iozone.262144KB_2048reclen.fwrite 8308015 ± 11% -58.1% 3484881 ± 2% iozone.262144KB_2048reclen.random_write 16212043 ± 2% -78.2% 3529138 ± 3% iozone.262144KB_2048reclen.record_rewrite 7969765 ± 10% -54.8% 3604916 ± 3% iozone.262144KB_2048reclen.rewrite 5300877 ± 14% -39.8% 3192843 ± 3% iozone.262144KB_2048reclen.write 554017 -26.2% 408919 iozone.262144KB_256reclen 13019165 -6.0% 12236091 ± 2% iozone.262144KB_256reclen.fread 12622409 ± 2% -7.1% 11731982 ± 4% iozone.262144KB_256reclen.freread 7704530 ± 2% -54.8% 3482335 iozone.262144KB_256reclen.frewrite 7812833 ± 4% -55.9% 3446681 ± 2% iozone.262144KB_256reclen.fwrite 8835487 ± 5% -60.1% 3523916 ± 4% iozone.262144KB_256reclen.random_write 15997491 ± 4% -76.7% 3730589 iozone.262144KB_256reclen.record_rewrite 9008693 ± 4% -58.9% 3699947 ± 2% iozone.262144KB_256reclen.rewrite 5557851 ± 5% -39.2% 3378939 iozone.262144KB_256reclen.write 474514 ± 4% -23.1% 364705 ± 9% iozone.262144KB_4096reclen 5309234 ± 9% -45.8% 2878750 ± 3% iozone.262144KB_4096reclen.frewrite 5093529 ± 5% -44.3% 2834589 iozone.262144KB_4096reclen.fwrite 7364778 ± 7% -55.6% 3267439 ± 2% iozone.262144KB_4096reclen.random_write 10366266 ± 20% -69.5% 3156979 ± 4% iozone.262144KB_4096reclen.record_rewrite 7365247 ± 5% -54.8% 3330171 ± 2% iozone.262144KB_4096reclen.rewrite 4798280 ± 7% -38.1% 2968182 ± 7% iozone.262144KB_4096reclen.write 563088 ± 3% -25.9% 417441 iozone.262144KB_512reclen 7752515 ± 5% -55.0% 3488123 iozone.262144KB_512reclen.frewrite 7707353 ± 5% -55.0% 3465149 ± 2% iozone.262144KB_512reclen.fwrite 9122558 ± 7% -60.3% 3619515 iozone.262144KB_512reclen.random_write 16131006 ± 4% -76.9% 3723603 iozone.262144KB_512reclen.record_rewrite 9178400 ± 4% -59.1% 3751173 iozone.262144KB_512reclen.rewrite 5645649 ± 6% -40.0% 3384873 iozone.262144KB_512reclen.write 504017 ± 3% -21.9% 393712 ± 2% iozone.262144KB_64reclen 6978079 ± 3% -52.7% 3299284 ± 5% iozone.262144KB_64reclen.frewrite 7041202 ± 3% -51.8% 3391815 ± 2% iozone.262144KB_64reclen.fwrite 7114665 ± 7% -54.6% 3231979 iozone.262144KB_64reclen.random_write 13278679 ± 8% -72.3% 3672374 iozone.262144KB_64reclen.record_rewrite 7586597 ± 2% -52.0% 3644015 iozone.262144KB_64reclen.rewrite 5143061 ± 5% -35.8% 3304019 ± 2% iozone.262144KB_64reclen.write 5066711 ± 9% -43.8% 2845739 ± 2% iozone.262144KB_8192reclen.frewrite 4851138 ± 10% -40.9% 2865015 iozone.262144KB_8192reclen.fwrite 6278072 ± 11% -49.0% 3198761 ± 4% iozone.262144KB_8192reclen.random_write 7316116 ± 13% -59.0% 2998594 ± 2% iozone.262144KB_8192reclen.record_rewrite 6450681 ± 6% -50.0% 3228542 ± 2% iozone.262144KB_8192reclen.rewrite 4436484 ± 5% -33.3% 2960325 iozone.262144KB_8192reclen.write 520469 ± 2% -22.5% 403395 ± 2% iozone.32768KB_1024reclen 6865305 ± 7% -50.5% 3401362 iozone.32768KB_1024reclen.frewrite 7344207 ± 2% -52.8% 3464329 iozone.32768KB_1024reclen.fwrite 8864633 ± 4% -60.4% 3513828 ± 9% iozone.32768KB_1024reclen.random_write 16492032 ± 4% -78.0% 3628653 ± 5% iozone.32768KB_1024reclen.record_rewrite 11235546 ± 2% +4.9% 11791425 ± 2% iozone.32768KB_1024reclen.reread 8292466 ± 5% -57.5% 3523443 ± 5% iozone.32768KB_1024reclen.rewrite 4828682 ± 20% -37.0% 3042222 ± 13% iozone.32768KB_1024reclen.write 520358 ± 3% -26.5% 382529 ± 6% iozone.32768KB_128reclen 7345834 ± 2% -53.2% 3440812 iozone.32768KB_128reclen.frewrite 7129775 ± 7% -54.6% 3238633 ± 12% iozone.32768KB_128reclen.fwrite 8363525 ± 5% -59.5% 3387573 ± 13% iozone.32768KB_128reclen.random_write 15671110 ± 7% -76.4% 3705583 ± 2% iozone.32768KB_128reclen.record_rewrite 8327280 ± 4% -58.5% 3451855 ± 9% iozone.32768KB_128reclen.rewrite 5254021 ± 3% -35.4% 3394572 iozone.32768KB_128reclen.write 8066011 ± 14% -37.1% 5071119 ± 2% iozone.32768KB_16384reclen.frewrite 6501615 ± 8% -33.0% 4358118 ± 5% iozone.32768KB_16384reclen.fwrite 6098219 ± 9% -47.8% 3183470 ± 2% iozone.32768KB_16384reclen.random_write 6585067 ± 10% -53.5% 3061524 iozone.32768KB_16384reclen.record_rewrite 6353925 ± 5% -49.5% 3206168 iozone.32768KB_16384reclen.rewrite 4210893 ± 5% -29.3% 2977793 iozone.32768KB_16384reclen.write 522544 ± 2% -23.6% 399333 iozone.32768KB_2048reclen 5825805 ± 4% -46.8% 3099754 ± 5% iozone.32768KB_2048reclen.frewrite 5988705 ± 7% -47.7% 3131337 ± 5% iozone.32768KB_2048reclen.fwrite 7737310 ± 13% -54.7% 3506923 ± 5% iozone.32768KB_2048reclen.random_write 16280549 ± 3% -78.4% 3515026 ± 11% iozone.32768KB_2048reclen.record_rewrite 7342137 ± 9% -53.4% 3422572 ± 4% iozone.32768KB_2048reclen.rewrite 4608264 ± 8% -35.2% 2985182 ± 14% iozone.32768KB_2048reclen.write 514576 ± 3% -24.1% 390757 ± 2% iozone.32768KB_256reclen 7237739 ± 4% -52.7% 3423888 iozone.32768KB_256reclen.frewrite 7300628 ± 4% -52.6% 3458449 iozone.32768KB_256reclen.fwrite 8901040 ± 4% -59.2% 3631801 iozone.32768KB_256reclen.random_write 16048341 ± 4% -78.5% 3445786 ± 11% iozone.32768KB_256reclen.record_rewrite 8280876 ± 3% -57.1% 3555933 ± 8% iozone.32768KB_256reclen.rewrite 5120802 ± 15% -37.3% 3208182 ± 13% iozone.32768KB_256reclen.write 5646923 ± 7% -42.2% 3265200 iozone.32768KB_4096reclen.frewrite 5116212 ± 18% -39.5% 3095721 ± 8% iozone.32768KB_4096reclen.fwrite 6684645 ± 10% -50.6% 3301571 ± 4% iozone.32768KB_4096reclen.random_write 10282683 ± 24% -65.8% 3515692 iozone.32768KB_4096reclen.record_rewrite 6857545 ± 3% -51.2% 3348852 iozone.32768KB_4096reclen.rewrite 4366899 ± 12% -35.0% 2839282 ± 11% iozone.32768KB_4096reclen.write 529392 ± 3% -25.9% 392508 ± 3% iozone.32768KB_512reclen 7040580 ± 5% -51.0% 3453327 iozone.32768KB_512reclen.frewrite 7364648 ± 2% -53.5% 3425392 ± 2% iozone.32768KB_512reclen.fwrite 8918336 ± 6% -59.6% 3603100 ± 3% iozone.32768KB_512reclen.random_write 15612101 ± 7% -76.0% 3741355 iozone.32768KB_512reclen.record_rewrite 11511261 -7.9% 10602443 ± 7% iozone.32768KB_512reclen.reread 8402000 ± 4% -58.6% 3482441 ± 6% iozone.32768KB_512reclen.rewrite 5168215 ± 15% -40.1% 3097976 ± 13% iozone.32768KB_512reclen.write 480712 ± 6% -20.3% 382907 ± 2% iozone.32768KB_64reclen 6825879 ± 3% -50.2% 3401691 iozone.32768KB_64reclen.frewrite 6690195 ± 6% -48.8% 3427805 iozone.32768KB_64reclen.fwrite 7198635 ± 10% -52.0% 3457655 iozone.32768KB_64reclen.random_write 13214747 ± 7% -71.9% 3707938 iozone.32768KB_64reclen.record_rewrite 7547549 ± 4% -52.2% 3608505 iozone.32768KB_64reclen.rewrite 4935168 ± 9% -32.0% 3353703 iozone.32768KB_64reclen.write 393804 ± 4% -21.0% 311208 ± 5% iozone.32768KB_8192reclen 6301898 ± 5% -44.5% 3499366 ± 4% iozone.32768KB_8192reclen.frewrite 6295064 ± 7% -41.5% 3680383 iozone.32768KB_8192reclen.fwrite 9535662 ± 2% -21.0% 7533567 ± 15% iozone.32768KB_8192reclen.random_read 6543055 -52.3% 3121724 ± 2% iozone.32768KB_8192reclen.random_write 7549220 ± 8% -60.0% 3016909 ± 2% iozone.32768KB_8192reclen.record_rewrite 6235066 ± 5% -49.2% 3166141 ± 2% iozone.32768KB_8192reclen.rewrite 3951810 ± 13% -27.2% 2878694 ± 6% iozone.32768KB_8192reclen.write 410587 ± 7% -18.8% 333504 ± 8% iozone.4096KB_1024reclen 5581206 ± 14% -36.4% 3551408 ± 6% iozone.4096KB_1024reclen.frewrite 4963156 ± 11% -32.6% 3346141 ± 6% iozone.4096KB_1024reclen.fwrite 10197657 ± 15% -60.9% 3984266 iozone.4096KB_1024reclen.random_write 9292095 ± 4% -65.2% 3237748 ± 16% iozone.4096KB_1024reclen.record_rewrite 6008436 ± 12% -48.7% 3083516 ± 4% iozone.4096KB_1024reclen.rewrite 4580562 ± 14% -34.7% 2990265 ± 5% iozone.4096KB_1024reclen.write 446062 ± 7% -19.2% 360512 iozone.4096KB_128reclen 6407111 ± 3% -49.6% 3230105 ± 4% iozone.4096KB_128reclen.frewrite 6033084 ± 8% -47.1% 3193901 ± 2% iozone.4096KB_128reclen.fwrite 8353476 ± 13% -55.7% 3699894 iozone.4096KB_128reclen.random_write 13371492 ± 17% -72.8% 3632717 ± 3% iozone.4096KB_128reclen.record_rewrite 6698376 ± 8% -49.4% 3388864 iozone.4096KB_128reclen.rewrite 4758658 ± 13% -33.5% 3163675 ± 3% iozone.4096KB_128reclen.write 317419 ± 3% -15.3% 268982 ± 2% iozone.4096KB_16reclen 4412358 ± 5% -32.8% 2964307 ± 2% iozone.4096KB_16reclen.frewrite 4482749 ± 9% -34.9% 2917748 ± 2% iozone.4096KB_16reclen.fwrite 4844116 ± 9% -38.9% 2961492 ± 3% iozone.4096KB_16reclen.random_write 5829791 ± 12% -47.0% 3090613 ± 2% iozone.4096KB_16reclen.record_rewrite 4799124 ± 3% -36.5% 3048105 ± 3% iozone.4096KB_16reclen.rewrite 3680378 ± 4% -23.9% 2802502 ± 2% iozone.4096KB_16reclen.write 400116 ± 6% -15.0% 340096 ± 2% iozone.4096KB_2048reclen 7868614 ± 8% -40.9% 4654236 ± 8% iozone.4096KB_2048reclen.frewrite 3987532 ± 9% -19.5% 3209474 ± 4% iozone.4096KB_2048reclen.fwrite 9991875 ± 19% -60.2% 3977591 ± 5% iozone.4096KB_2048reclen.random_write 9042388 ± 8% -61.9% 3444073 ± 2% iozone.4096KB_2048reclen.record_rewrite 5365959 ± 6% -43.4% 3034539 ± 3% iozone.4096KB_2048reclen.rewrite 4099336 ± 10% -27.4% 2975606 ± 3% iozone.4096KB_2048reclen.write 473068 ± 6% -17.5% 390054 ± 4% iozone.4096KB_256reclen 6284695 ± 9% -49.4% 3177255 ± 2% iozone.4096KB_256reclen.frewrite 6025809 ± 9% -46.8% 3206110 ± 2% iozone.4096KB_256reclen.fwrite 8872736 ± 13% -57.9% 3735368 iozone.4096KB_256reclen.random_write 12166515 ± 14% -70.5% 3587021 iozone.4096KB_256reclen.record_rewrite 6906230 ± 13% -51.6% 3342769 ± 2% iozone.4096KB_256reclen.rewrite 4802214 ± 13% -32.9% 3222318 ± 2% iozone.4096KB_256reclen.write 392538 ± 6% -20.0% 314015 ± 3% iozone.4096KB_32reclen 5166220 ± 12% -41.5% 3022049 ± 4% iozone.4096KB_32reclen.frewrite 5287356 ± 13% -43.4% 2993166 ± 2% iozone.4096KB_32reclen.fwrite 6648671 ± 5% -49.9% 3332904 ± 2% iozone.4096KB_32reclen.random_write 8724643 ± 13% -60.9% 3415035 iozone.4096KB_32reclen.record_rewrite 6000969 ± 8% -46.1% 3234179 iozone.4096KB_32reclen.rewrite 4412112 ± 5% -30.6% 3064044 iozone.4096KB_32reclen.write 407911 ± 6% -14.1% 350231 iozone.4096KB_4096reclen 5645033 ± 10% -47.3% 2977074 ± 5% iozone.4096KB_4096reclen.frewrite 5443644 ± 3% -45.7% 2956973 iozone.4096KB_4096reclen.fwrite 9344545 ± 8% -58.4% 3883484 iozone.4096KB_4096reclen.random_write 7819624 ± 10% -56.3% 3413703 ± 2% iozone.4096KB_4096reclen.record_rewrite 5468720 ± 11% -44.6% 3029332 ± 2% iozone.4096KB_4096reclen.rewrite 4997122 ± 7% -37.3% 3132483 iozone.4096KB_4096reclen.write 5504982 ± 9% -42.3% 3178736 ± 3% iozone.4096KB_512reclen.frewrite 5520488 ± 7% -42.5% 3173812 ± 6% iozone.4096KB_512reclen.fwrite 9231637 ± 13% -58.9% 3792217 iozone.4096KB_512reclen.random_write 10670349 ± 16% -67.6% 3453684 iozone.4096KB_512reclen.record_rewrite 6376172 ± 13% -49.2% 3237695 ± 2% iozone.4096KB_512reclen.rewrite 4817759 ± 6% -35.1% 3127697 iozone.4096KB_512reclen.write 421961 ± 5% -19.9% 338058 ± 2% iozone.4096KB_64reclen 5633467 ± 7% -44.1% 3147447 ± 2% iozone.4096KB_64reclen.frewrite 5660179 ± 5% -44.8% 3124977 ± 3% iozone.4096KB_64reclen.fwrite 7673862 ± 7% -53.0% 3605881 iozone.4096KB_64reclen.random_write 11265069 ± 15% -68.4% 3559151 ± 2% iozone.4096KB_64reclen.record_rewrite 6544015 ± 5% -49.2% 3322831 iozone.4096KB_64reclen.rewrite 4506577 ± 10% -28.6% 3217752 ± 2% iozone.4096KB_64reclen.write 236006 ± 4% -13.9% 203254 ± 7% iozone.4096KB_8reclen 3321733 ± 5% -24.6% 2504197 ± 5% iozone.4096KB_8reclen.frewrite 3436964 ± 6% -22.2% 2674833 iozone.4096KB_8reclen.fwrite 3140234 ± 12% -27.0% 2293239 ± 16% iozone.4096KB_8reclen.random_write 3692256 ± 11% -28.6% 2637149 iozone.4096KB_8reclen.record_rewrite 6484428 ± 2% -11.9% 5711723 ± 12% iozone.4096KB_8reclen.reread 3633536 ± 3% -29.3% 2567758 ± 13% iozone.4096KB_8reclen.rewrite 3079501 ± 5% -19.3% 2483867 ± 14% iozone.4096KB_8reclen.write 476193 ± 7% -22.5% 369196 ± 8% iozone.512KB_128reclen 6530898 ± 17% -46.2% 3514641 ± 3% iozone.512KB_128reclen.frewrite 6822052 ± 8% -48.1% 3543008 ± 9% iozone.512KB_128reclen.fwrite 8081924 ± 13% -62.1% 3060587 ± 12% iozone.512KB_128reclen.random_write 9905588 ± 14% -66.8% 3286321 ± 12% iozone.512KB_128reclen.record_rewrite 6311295 ± 10% -55.1% 2831485 ± 14% iozone.512KB_128reclen.rewrite 4269431 ± 5% -34.2% 2811007 ± 15% iozone.512KB_128reclen.write 4279482 ± 15% -36.4% 2719661 ± 2% iozone.512KB_16reclen.frewrite 4415628 ± 13% -36.5% 2802469 ± 9% iozone.512KB_16reclen.fwrite 4095069 ± 13% -34.8% 2669395 ± 5% iozone.512KB_16reclen.random_write 5485427 ± 17% -50.2% 2732355 ± 3% iozone.512KB_16reclen.record_rewrite 4150782 ± 22% -35.0% 2697202 ± 7% iozone.512KB_16reclen.rewrite 460266 ± 4% -17.0% 381794 ± 3% iozone.512KB_256reclen 8556758 ± 8% -43.8% 4810503 ± 9% iozone.512KB_256reclen.frewrite 4821544 ± 8% -29.7% 3389921 ± 6% iozone.512KB_256reclen.fwrite 8131467 ± 11% -55.6% 3612634 ± 2% iozone.512KB_256reclen.random_write 9058008 ± 9% -64.8% 3190513 ± 8% iozone.512KB_256reclen.record_rewrite 6719047 ± 10% -56.8% 2904750 ± 11% iozone.512KB_256reclen.rewrite 4373093 ± 6% -40.7% 2592783 ± 5% iozone.512KB_256reclen.write 393424 ± 7% -13.3% 341171 ± 2% iozone.512KB_32reclen 4895953 ± 7% -42.6% 2811812 ± 13% iozone.512KB_32reclen.frewrite 5181996 ± 8% -42.1% 3001102 ± 8% iozone.512KB_32reclen.fwrite 6088473 ± 17% -47.9% 3170840 ± 7% iozone.512KB_32reclen.random_write 8043848 ± 8% -61.2% 3123743 ± 6% iozone.512KB_32reclen.record_rewrite 5180448 ± 5% -43.3% 2936157 ± 10% iozone.512KB_32reclen.rewrite 3782107 ± 13% -28.2% 2713878 ± 7% iozone.512KB_32reclen.write 6285151 ± 17% -50.6% 3107107 ± 3% iozone.512KB_512reclen.frewrite 6338153 ± 9% -53.6% 2940734 ± 8% iozone.512KB_512reclen.fwrite 7737841 ± 8% -52.8% 3654890 ± 5% iozone.512KB_512reclen.random_write 7350493 ± 16% -55.0% 3304559 ± 4% iozone.512KB_512reclen.record_rewrite 6702196 ± 7% -55.6% 2975296 ± 7% iozone.512KB_512reclen.rewrite 4282814 ± 10% -38.4% 2637095 ± 7% iozone.512KB_512reclen.write 461038 ± 4% -21.9% 360197 ± 4% iozone.512KB_64reclen 5976515 ± 4% -48.3% 3089257 ± 5% iozone.512KB_64reclen.frewrite 6215990 ± 5% -48.7% 3190509 ± 3% iozone.512KB_64reclen.fwrite 7028609 ± 10% -51.9% 3378061 ± 5% iozone.512KB_64reclen.random_write 11056059 ± 5% -12.0% 9732466 ± 6% iozone.512KB_64reclen.read 9887177 ± 14% -66.7% 3288094 ± 8% iozone.512KB_64reclen.record_rewrite 6086083 ± 4% -49.6% 3065835 ± 8% iozone.512KB_64reclen.rewrite 4121861 ± 10% -33.8% 2729029 ± 6% iozone.512KB_64reclen.write 5478377 ± 8% +10.9% 6076595 iozone.512KB_8reclen.freread 3144247 ± 5% -23.4% 2407541 ± 7% iozone.512KB_8reclen.frewrite 3264788 ± 8% -22.0% 2546212 ± 3% iozone.512KB_8reclen.fwrite 546111 ± 3% -21.6% 428357 ± 2% iozone.524288KB_1024reclen 7147373 ± 8% -51.7% 3453896 iozone.524288KB_1024reclen.frewrite 7619267 ± 7% -54.3% 3479943 iozone.524288KB_1024reclen.fwrite 8971485 ± 4% -59.7% 3618266 iozone.524288KB_1024reclen.random_write 11472240 ± 6% +7.7% 12360252 ± 4% iozone.524288KB_1024reclen.read 16359250 ± 4% -77.2% 3723122 iozone.524288KB_1024reclen.record_rewrite 8956596 ± 3% -58.8% 3692978 iozone.524288KB_1024reclen.rewrite 5561660 ± 5% -39.8% 3349116 iozone.524288KB_1024reclen.write 544356 ± 3% -24.1% 413231 ± 2% iozone.524288KB_128reclen 7586281 ± 4% -54.3% 3468246 iozone.524288KB_128reclen.frewrite 7799627 ± 4% -55.6% 3460094 iozone.524288KB_128reclen.fwrite 8203000 ± 5% -58.8% 3375607 iozone.524288KB_128reclen.random_write 14847756 ± 14% -74.7% 3761943 iozone.524288KB_128reclen.record_rewrite 8675467 ± 5% -57.2% 3714167 iozone.524288KB_128reclen.rewrite 5444683 ± 7% -39.0% 3321742 iozone.524288KB_128reclen.write 4804260 ± 10% -39.9% 2886096 ± 3% iozone.524288KB_16384reclen.frewrite 4932218 ± 13% -41.0% 2910119 ± 2% iozone.524288KB_16384reclen.fwrite 6144575 ± 9% -48.1% 3186721 ± 3% iozone.524288KB_16384reclen.random_write 6068686 ± 9% -52.3% 2891868 iozone.524288KB_16384reclen.record_rewrite 6144818 ± 10% -47.9% 3202812 ± 2% iozone.524288KB_16384reclen.rewrite 4393484 ± 4% -33.1% 2939119 ± 2% iozone.524288KB_16384reclen.write 531931 ± 6% -20.6% 422173 ± 3% iozone.524288KB_2048reclen 5305317 ± 10% -43.0% 3025608 ± 4% iozone.524288KB_2048reclen.frewrite 5693440 ± 9% -45.9% 3082446 ± 3% iozone.524288KB_2048reclen.fwrite 7698042 ± 11% -55.0% 3462543 ± 2% iozone.524288KB_2048reclen.random_write 15532439 ± 10% -77.3% 3527035 ± 3% iozone.524288KB_2048reclen.record_rewrite 7919782 ± 15% -54.8% 3582221 ± 4% iozone.524288KB_2048reclen.rewrite 5033940 ± 12% -36.7% 3186813 iozone.524288KB_2048reclen.write 551674 ± 3% -25.1% 413284 ± 3% iozone.524288KB_256reclen 7720443 ± 5% -55.4% 3440267 ± 2% iozone.524288KB_256reclen.frewrite 7697144 ± 2% -55.1% 3454789 iozone.524288KB_256reclen.fwrite 8736880 ± 4% -59.9% 3503065 iozone.524288KB_256reclen.random_write 16137422 ± 5% -77.1% 3703151 iozone.524288KB_256reclen.record_rewrite 9146274 ± 5% -58.9% 3759435 iozone.524288KB_256reclen.rewrite 5495525 ± 6% -39.3% 3338003 ± 2% iozone.524288KB_256reclen.write 5118402 ± 12% -44.7% 2831910 ± 3% iozone.524288KB_4096reclen.frewrite 5225137 ± 10% -44.5% 2897829 ± 4% iozone.524288KB_4096reclen.fwrite 6682671 ± 9% -50.9% 3282453 ± 2% iozone.524288KB_4096reclen.random_write 10213606 ± 19% -69.7% 3092221 ± 3% iozone.524288KB_4096reclen.record_rewrite 6601112 ± 13% -49.0% 3365783 ± 2% iozone.524288KB_4096reclen.rewrite 4543441 ± 5% -34.3% 2982887 ± 3% iozone.524288KB_4096reclen.write 563145 ± 2% -24.3% 426078 ± 3% iozone.524288KB_512reclen 7877345 ± 4% -55.8% 3482088 iozone.524288KB_512reclen.frewrite 7911042 ± 3% -56.0% 3480149 iozone.524288KB_512reclen.fwrite 9103372 ± 6% -60.4% 3603133 iozone.524288KB_512reclen.random_write 16296711 ± 3% -77.2% 3712815 iozone.524288KB_512reclen.record_rewrite 9176768 ± 6% -59.3% 3732033 iozone.524288KB_512reclen.rewrite 5593247 ± 6% -40.3% 3341511 ± 3% iozone.524288KB_512reclen.write 505113 -21.1% 398547 iozone.524288KB_64reclen 7015773 ± 4% -50.9% 3446298 iozone.524288KB_64reclen.frewrite 7106825 ± 2% -51.4% 3451915 iozone.524288KB_64reclen.fwrite 7018984 ± 3% -54.3% 3207930 iozone.524288KB_64reclen.random_write 13071765 ± 10% -71.8% 3692656 iozone.524288KB_64reclen.record_rewrite 7791774 ± 3% -53.2% 3646300 iozone.524288KB_64reclen.rewrite 5080218 -35.4% 3282308 ± 2% iozone.524288KB_64reclen.write 4473639 ± 6% -38.0% 2772538 ± 3% iozone.524288KB_8192reclen.frewrite 4665490 ± 13% -38.2% 2885216 ± 3% iozone.524288KB_8192reclen.fwrite 5959551 ± 9% -46.4% 3194100 ± 2% iozone.524288KB_8192reclen.random_write 6651150 ± 16% -56.5% 2894310 ± 2% iozone.524288KB_8192reclen.record_rewrite 5990381 ± 9% -45.7% 3253373 ± 3% iozone.524288KB_8192reclen.rewrite 4124475 ± 5% -28.9% 2931933 ± 2% iozone.524288KB_8192reclen.write 366230 ± 11% -23.1% 281729 ± 20% iozone.64KB_16reclen 4199734 ± 11% -37.5% 2626023 ± 19% iozone.64KB_16reclen.frewrite 3822917 ± 9% -33.1% 2558035 ± 16% iozone.64KB_16reclen.fwrite 3601543 ± 13% -40.6% 2139824 ± 17% iozone.64KB_16reclen.random_write 4056590 ± 9% -47.7% 2120903 ± 16% iozone.64KB_16reclen.record_rewrite 3459658 ± 13% -39.8% 2083160 ± 18% iozone.64KB_16reclen.rewrite 8427164 ± 4% -20.1% 6732788 ± 13% iozone.64KB_16reclen.stride_read 6120260 ± 12% -36.5% 3889010 ± 10% iozone.64KB_32reclen.frewrite 4801505 ± 15% -47.0% 2545830 ± 14% iozone.64KB_32reclen.record_rewrite 3263725 ± 16% -34.9% 2124296 ± 10% iozone.64KB_32reclen.write 4880991 ± 17% -43.0% 2784004 ± 15% iozone.64KB_64reclen.fwrite 5292359 ± 17% -44.7% 2928253 ± 12% iozone.64KB_64reclen.random_write 5648278 ± 7% -48.1% 2930218 ± 14% iozone.64KB_64reclen.record_rewrite 4698367 ± 18% -42.1% 2719953 ± 12% iozone.64KB_64reclen.rewrite 256272 ± 8% -20.3% 204300 ± 19% iozone.64KB_8reclen 3018760 ± 5% -28.6% 2154883 ± 17% iozone.64KB_8reclen.fwrite 2589554 ± 9% -30.9% 1790083 ± 20% iozone.64KB_8reclen.random_write 2776391 ± 5% -34.0% 1831472 ± 20% iozone.64KB_8reclen.record_rewrite 9689106 ± 6% -24.4% 7325245 ± 22% iozone.64KB_8reclen.reread 2780070 ± 8% -26.5% 2044117 ± 19% iozone.64KB_8reclen.rewrite 523517 ± 5% -21.4% 411517 ± 3% iozone.65536KB_1024reclen 7309716 ± 6% -52.8% 3449150 iozone.65536KB_1024reclen.frewrite 7136170 ± 10% -51.8% 3436908 iozone.65536KB_1024reclen.fwrite 8589516 ± 8% -57.5% 3653446 iozone.65536KB_1024reclen.random_write 16522904 ± 3% -77.4% 3740756 iozone.65536KB_1024reclen.record_rewrite 8237647 ± 13% -55.2% 3693916 iozone.65536KB_1024reclen.rewrite 5028003 ± 15% -32.8% 3379528 iozone.65536KB_1024reclen.write 532763 ± 3% -25.6% 396335 ± 3% iozone.65536KB_128reclen 7333316 ± 2% -52.8% 3461546 iozone.65536KB_128reclen.frewrite 7291372 ± 6% -52.5% 3461086 ± 2% iozone.65536KB_128reclen.fwrite 11653668 ± 2% -7.9% 10737854 ± 5% iozone.65536KB_128reclen.random_read 8279730 ± 4% -58.6% 3425741 ± 6% iozone.65536KB_128reclen.random_write 15784970 ± 6% -77.4% 3564663 ± 13% iozone.65536KB_128reclen.record_rewrite 8209229 ± 4% -57.6% 3480549 ± 10% iozone.65536KB_128reclen.rewrite 5385626 ± 7% -38.9% 3292029 ± 7% iozone.65536KB_128reclen.write 364555 ± 5% -14.9% 310230 ± 3% iozone.65536KB_16384reclen 6121630 ± 8% -43.7% 3444762 ± 5% iozone.65536KB_16384reclen.frewrite 5977371 ± 11% -39.8% 3600389 ± 2% iozone.65536KB_16384reclen.fwrite 5875081 ± 7% -46.1% 3168819 iozone.65536KB_16384reclen.random_write 6547127 ± 12% -55.1% 2937757 ± 2% iozone.65536KB_16384reclen.record_rewrite 6309500 ± 6% -49.4% 3194181 iozone.65536KB_16384reclen.rewrite 4280168 ± 9% -30.3% 2981202 iozone.65536KB_16384reclen.write 523194 ± 3% -24.7% 393917 ± 3% iozone.65536KB_2048reclen 6033279 ± 7% -47.9% 3140454 ± 4% iozone.65536KB_2048reclen.frewrite 5694042 ± 10% -45.9% 3078205 ± 3% iozone.65536KB_2048reclen.fwrite 8145174 ± 12% -59.9% 3266812 ± 11% iozone.65536KB_2048reclen.random_write 15342282 ± 6% -76.6% 3590795 ± 2% iozone.65536KB_2048reclen.record_rewrite 8223228 ± 8% -56.4% 3581365 ± 2% iozone.65536KB_2048reclen.rewrite 4780028 ± 13% -32.8% 3211311 iozone.65536KB_2048reclen.write 533351 ± 3% -24.5% 402890 ± 4% iozone.65536KB_256reclen 12079128 ± 2% -6.9% 11241418 ± 5% iozone.65536KB_256reclen.bkwd_read 7334735 ± 8% -52.5% 3480491 iozone.65536KB_256reclen.frewrite 7534682 ± 3% -53.8% 3481345 iozone.65536KB_256reclen.fwrite 8373364 ± 10% -58.8% 3453897 ± 9% iozone.65536KB_256reclen.random_write 15885493 ± 5% -76.3% 3761757 iozone.65536KB_256reclen.record_rewrite 8576540 ± 5% -58.7% 3543897 ± 12% iozone.65536KB_256reclen.rewrite 5497339 ± 5% -41.8% 3201097 ± 12% iozone.65536KB_256reclen.write 447161 ± 7% -11.7% 395001 ± 5% iozone.65536KB_4096reclen 10988607 ± 3% +7.3% 11794894 iozone.65536KB_4096reclen.bkwd_read 5013257 ± 15% -39.4% 3039515 ± 2% iozone.65536KB_4096reclen.frewrite 4813077 ± 13% -36.3% 3064406 ± 3% iozone.65536KB_4096reclen.fwrite 6399770 ± 10% -46.8% 3407474 ± 2% iozone.65536KB_4096reclen.random_write 10205662 ± 19% -66.2% 3454282 ± 4% iozone.65536KB_4096reclen.record_rewrite 6482710 ± 9% -48.2% 3357054 ± 2% iozone.65536KB_4096reclen.rewrite 4401916 ± 11% -30.4% 3065639 iozone.65536KB_4096reclen.write 535125 ± 3% -23.3% 410409 iozone.65536KB_512reclen 7295801 ± 9% -52.2% 3487131 iozone.65536KB_512reclen.frewrite 7315293 ± 5% -52.5% 3476743 iozone.65536KB_512reclen.fwrite 8838896 ± 5% -59.8% 3555162 ± 4% iozone.65536KB_512reclen.random_write 16004485 ± 5% -76.7% 3725394 iozone.65536KB_512reclen.record_rewrite 8725959 ± 5% -58.4% 3632000 ± 5% iozone.65536KB_512reclen.rewrite 5498540 ± 7% -40.1% 3291327 ± 6% iozone.65536KB_512reclen.write 493180 ± 2% -22.4% 382816 iozone.65536KB_64reclen 6810831 ± 6% -50.0% 3407101 iozone.65536KB_64reclen.frewrite 6441149 ± 15% -47.1% 3406167 iozone.65536KB_64reclen.fwrite 7150939 ± 4% -53.0% 3361410 iozone.65536KB_64reclen.random_write 13342191 ± 8% -72.4% 3680370 iozone.65536KB_64reclen.record_rewrite 7346364 ± 4% -50.4% 3644451 iozone.65536KB_64reclen.rewrite 5059274 ± 5% -34.1% 3333866 iozone.65536KB_64reclen.write 367800 ± 8% -13.0% 319920 ± 4% iozone.65536KB_8192reclen 5130108 ± 13% -38.7% 3144695 ± 2% iozone.65536KB_8192reclen.frewrite 5282928 ± 14% -43.3% 2993237 ± 4% iozone.65536KB_8192reclen.fwrite 5864239 ± 13% -44.5% 3255758 ± 2% iozone.65536KB_8192reclen.random_write 7447215 ± 12% -60.8% 2921843 ± 9% iozone.65536KB_8192reclen.record_rewrite 6015508 ± 11% -46.1% 3240985 iozone.65536KB_8192reclen.rewrite 4093019 ± 10% -26.5% 3007445 iozone.65536KB_8192reclen.write 475130 ± 12% -17.0% 394591 ± 8% iozone.8192KB_1024reclen 6130421 ± 12% -42.9% 3498269 ± 2% iozone.8192KB_1024reclen.frewrite 6337955 ± 16% -45.0% 3486354 ± 5% iozone.8192KB_1024reclen.fwrite 9934170 ± 7% -61.8% 3796260 ± 3% iozone.8192KB_1024reclen.random_write 15509021 ± 5% -76.1% 3701585 ± 3% iozone.8192KB_1024reclen.record_rewrite 6870785 ± 13% -49.9% 3442812 ± 2% iozone.8192KB_1024reclen.rewrite 4989329 ± 12% -35.6% 3210789 ± 2% iozone.8192KB_1024reclen.write 465061 -21.4% 365480 ± 3% iozone.8192KB_128reclen 6065060 ± 8% -45.0% 3337027 ± 2% iozone.8192KB_128reclen.frewrite 6493273 ± 5% -49.8% 3259540 iozone.8192KB_128reclen.fwrite 9439549 ± 5% -59.4% 3833701 iozone.8192KB_128reclen.random_write 14670770 ± 2% -75.0% 3674591 iozone.8192KB_128reclen.record_rewrite 7314592 ± 4% -51.4% 3557764 ± 2% iozone.8192KB_128reclen.rewrite 5108572 ± 7% -34.4% 3349232 iozone.8192KB_128reclen.write 314148 ± 5% -13.1% 272915 ± 2% iozone.8192KB_16reclen 4553655 ± 7% -34.4% 2984927 ± 2% iozone.8192KB_16reclen.frewrite 4576435 ± 2% -35.0% 2975972 iozone.8192KB_16reclen.fwrite 4601444 ± 11% -37.3% 2883163 ± 6% iozone.8192KB_16reclen.random_write 6059685 ± 12% -47.8% 3164798 iozone.8192KB_16reclen.record_rewrite 4987759 ± 3% -36.2% 3183789 iozone.8192KB_16reclen.rewrite 462578 ± 8% -20.2% 368979 ± 11% iozone.8192KB_2048reclen 6306206 ± 10% -43.2% 3580659 ± 7% iozone.8192KB_2048reclen.frewrite 6659820 ± 16% -44.3% 3709375 ± 6% iozone.8192KB_2048reclen.fwrite 9498869 ± 8% -62.0% 3614123 ± 5% iozone.8192KB_2048reclen.random_write 14512262 ± 5% -75.4% 3574411 ± 5% iozone.8192KB_2048reclen.record_rewrite 6602412 ± 11% -49.9% 3304954 ± 4% iozone.8192KB_2048reclen.rewrite 466781 ± 5% -20.2% 372625 ± 4% iozone.8192KB_256reclen 6386508 ± 8% -47.9% 3325742 ± 3% iozone.8192KB_256reclen.frewrite 5820585 ± 11% -43.1% 3314745 ± 3% iozone.8192KB_256reclen.fwrite 9800951 ± 6% -61.3% 3789649 ± 3% iozone.8192KB_256reclen.random_write 14772982 ± 8% -75.3% 3642014 iozone.8192KB_256reclen.record_rewrite 7350256 ± 5% -51.3% 3580211 iozone.8192KB_256reclen.rewrite 5247001 ± 4% -36.6% 3328082 iozone.8192KB_256reclen.write 5460768 ± 8% -43.4% 3091787 ± 4% iozone.8192KB_32reclen.frewrite 5534873 ± 5% -42.6% 3179338 iozone.8192KB_32reclen.fwrite 6216039 ± 17% -47.5% 3263073 ± 7% iozone.8192KB_32reclen.random_write 8438285 ± 22% -59.2% 3443608 iozone.8192KB_32reclen.record_rewrite 5910033 ± 6% -44.6% 3274775 ± 5% iozone.8192KB_32reclen.rewrite 430569 ± 6% -17.9% 353551 ± 4% iozone.8192KB_4096reclen 8002703 ± 11% -36.7% 5069052 ± 6% iozone.8192KB_4096reclen.frewrite 4862899 ± 12% -27.2% 3538752 ± 8% iozone.8192KB_4096reclen.fwrite 8342306 ± 11% -57.6% 3541294 ± 3% iozone.8192KB_4096reclen.random_write 10085813 ± 5% -67.3% 3297639 ± 4% iozone.8192KB_4096reclen.record_rewrite 6381708 ± 9% -49.2% 3240446 iozone.8192KB_4096reclen.rewrite 4568275 ± 9% -35.5% 2948307 ± 2% iozone.8192KB_4096reclen.write 490409 ± 2% -19.8% 393423 ± 10% iozone.8192KB_512reclen 6399076 ± 11% -47.9% 3335299 ± 4% iozone.8192KB_512reclen.frewrite 5784862 ± 8% -42.4% 3332431 ± 4% iozone.8192KB_512reclen.fwrite 9010939 ± 16% -57.8% 3800958 ± 2% iozone.8192KB_512reclen.random_write 15187696 ± 3% -76.0% 3652068 ± 2% iozone.8192KB_512reclen.record_rewrite 6918403 ± 6% -48.8% 3545527 ± 2% iozone.8192KB_512reclen.rewrite 4858375 ± 10% -33.5% 3232714 ± 4% iozone.8192KB_512reclen.write 434205 ± 6% -19.5% 349456 ± 2% iozone.8192KB_64reclen 6063804 ± 4% -45.6% 3297539 iozone.8192KB_64reclen.frewrite 6053168 ± 3% -47.7% 3164408 ± 6% iozone.8192KB_64reclen.fwrite 8298214 ± 12% -55.4% 3702040 iozone.8192KB_64reclen.random_write 12308732 ± 9% -70.3% 3651140 iozone.8192KB_64reclen.record_rewrite 6862988 ± 6% -50.1% 3426635 ± 6% iozone.8192KB_64reclen.rewrite 4552180 ± 13% -30.0% 3186567 ± 6% iozone.8192KB_64reclen.write 387354 ± 4% -15.3% 328219 ± 2% iozone.8192KB_8192reclen 6174265 ± 7% -49.0% 3149477 iozone.8192KB_8192reclen.frewrite 6270247 ± 3% -49.3% 3180202 iozone.8192KB_8192reclen.fwrite 6440330 ± 8% -50.0% 3219047 ± 4% iozone.8192KB_8192reclen.random_write 6417631 ± 7% -49.6% 3233756 ± 2% iozone.8192KB_8192reclen.record_rewrite 6213176 ± 6% -48.9% 3174174 iozone.8192KB_8192reclen.rewrite 4263827 ± 11% -32.8% 2866624 ± 4% iozone.8192KB_8192reclen.write 238775 ± 8% -8.6% 218130 iozone.8192KB_8reclen 3470213 ± 6% -21.4% 2727307 iozone.8192KB_8reclen.frewrite 3492178 ± 8% -21.7% 2734116 iozone.8192KB_8reclen.fwrite 3088507 ± 11% -22.7% 2385914 iozone.8192KB_8reclen.random_write 3794719 ± 12% -29.6% 2673377 iozone.8192KB_8reclen.record_rewrite 3626974 ± 11% -20.3% 2890733 iozone.8192KB_8reclen.rewrite 4092925 ± 2% -18.5% 3337298 iozone.average_KBps 55650360 ± 3% -44.2% 31052398 iozone.frewrite_KBps 53439424 ± 3% -43.6% 30144851 iozone.fwrite_KBps 64647843 ± 5% -52.7% 30607658 iozone.random_write_KBps 94823016 ± 5% -67.5% 30823219 iozone.record_rewrite_KBps 59841456 ± 3% -48.9% 30554034 iozone.rewrite_KBps 733.66 +1.3% 743.16 iozone.time.elapsed_time 733.66 +1.3% 743.16 iozone.time.elapsed_time.max 6.83 ± 5% +31.7% 9.00 iozone.time.percent_of_cpu_this_job_got 52.33 ± 3% +34.3% 70.29 iozone.time.system_time 41427226 ± 5% -32.2% 28071504 iozone.write_KBps Disclaimer: Results have been estimated based on internal Intel analysis and are provided for informational purposes only. Any difference in system hardware or software design or configuration may affect actual performance. -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki