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OG6M98pqPZjqlxav7PqKBsSnGuZI8tNekKHtBSj4Jo5q5N0w/QYoBC1ihD0hxkOA3Fw/04v/buU/YQ/yGK4YIA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR11MB8361 X-OriginatorOrg: intel.com Hello, kernel test robot noticed a 18.5% regression of iozone.average_KBps 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 2ba9f676d0a2e408aef14d679984c26373bf37b7] [still regression on linux-next/master f486c8aa16b8172f63bddc70116a0c897a7f3f02] testcase: iozone config: x86_64-rhel-9.4 compiler: gcc-12 test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-7700 CPU @ 3.60GHz (Kaby Lake) with 32G memory parameters: disk: 2HDD fs: btrfs iosched: kyber cpufreq_governor: performance 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/202411302252.67284087-lkp@intel.com Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20241130/202411302252.67284087-lkp@intel.com ========================================================================================= 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