* [parisc-linux] lmbench results for A500-44 SMP
@ 2004-10-08 4:18 Randolph Chung
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From: Randolph Chung @ 2004-10-08 4:18 UTC (permalink / raw)
To: parisc-linux
First entry is for 2.4.20-pa24 SMP
Second entry is for 2.6.9-rc3-pa3 SMP, with a cache flushing patch
Machine is a 440MHz a500 with 5GB of RAM.
In general our performance seems to have dropped a bit :(
randolph
L M B E N C H 2 . 0 S U M M A R Y
------------------------------------
Basic system parameters
----------------------------------------------------
Host OS Description Mhz
--------- ------------- ----------------------- ----
ios Linux 2.4.20- hppa64-linux-gnu 440
ios Linux 2.6.9-r hppa64-linux-gnu 440
Processor, Processes - times in microseconds - smaller is better
----------------------------------------------------------------
Host OS Mhz null null open selct sig sig fork exec sh
call I/O stat clos TCP inst hndl proc proc proc
--------- ------------- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ----
ios Linux 2.4.20- 440 0.73 1.85 10.2 11.8 110.8 2.17 16.9 17.K 41.K 85.K
ios Linux 2.6.9-r 440 0.77 1.19 13.2 15.4 71.4 2.23 11.1 2590 10.K 33.K
Context switching - times in microseconds - smaller is better
-------------------------------------------------------------
Host OS 2p/0K 2p/16K 2p/64K 8p/16K 8p/64K 16p/16K 16p/64K
ctxsw ctxsw ctxsw ctxsw ctxsw ctxsw ctxsw
--------- ------------- ----- ------ ------ ------ ------ ------- -------
ios Linux 2.4.20- 5.630 5.1500 4.9900 9.0800 23.4 52.1 175.8
ios Linux 2.6.9-r 13.0 12.7 12.2 23.2 110.9 62.5 179.0
*Local* Communication latencies in microseconds - smaller is better
-------------------------------------------------------------------
Host OS 2p/0K Pipe AF UDP RPC/ TCP RPC/ TCP
ctxsw UNIX UDP TCP conn
--------- ------------- ----- ----- ---- ----- ----- ----- ----- ----
ios Linux 2.4.20- 5.630 20.4 48.4 89.2 172.5 114.1 351.5 1000
ios Linux 2.6.9-r 13.0 73.8 48.2 144.5 209.0 252.3 250.2
File & VM system latencies in microseconds - smaller is better
--------------------------------------------------------------
Host OS 0K File 10K File Mmap Prot Page
Create Delete Create Delete Latency Fault Fault
--------- ------------- ------ ------ ------ ------ ------- ----- -----
ios Linux 2.4.20- 130.0 80.0 509.9 180.0 3120.0K 603.4 58.0
ios Linux 2.6.9-r 93.0 67.0 302.9 165.0 95.1K 732.1 42.0
*Local* Communication bandwidths in MB/s - bigger is better
-----------------------------------------------------------
Host OS Pipe AF TCP File Mmap Bcopy Bcopy Mem Mem
UNIX reread reread (libc) (hand) read write
--------- ------------- ---- ---- ---- ------ ------ ------ ------ ---- -----
ios Linux 2.4.20- 49.1 81.0 33.6 74.0 268.4 201.8 168.8 260. 250.9
ios Linux 2.6.9-r 224. 328. 183. 283.6 264.2 184.3 155.0 256. 233.1
Memory latencies in nanoseconds - smaller is better
(WARNING - may not be correct, check graphs)
---------------------------------------------------
Host OS Mhz L1 $ L2 $ Main mem Guesses
--------- ------------- ---- ----- ------ -------- -------
ios Linux 2.4.20- 440 20.0 20.0 220.0 No L1 cache?
ios Linux 2.6.9-r 440 23.0 22.0 233.0 No L1 cache?
--
Randolph Chung
Debian GNU/Linux Developer, hppa/ia64 ports
http://www.tausq.org/
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2004-10-08 4:18 [parisc-linux] lmbench results for A500-44 SMP Randolph Chung
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