LMbench2.5
なんだか最近仕事が趣味みたいなもんだから，逆に趣味で家サーバで遊んでると，仕事やってるのと変わらんな…．
http://sourceforge.net/projects/lmbench
- 計測対象
cd src make results make rerun make rerun cd .. make see
一回の計測は10分弱．
L M B E N C H 2 . 0 S U M M A R Y
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Basic system parameters
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Host OS Description Mhz
--------- ------------- ----------------------- ----
c10 Linux 2.6.18- i686-pc-linux-gnu 863
c10 Linux 2.6.18- i686-pc-linux-gnu 863
c10 Linux 2.6.18- i686-pc-linux-gnu 863
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
--------- ------------- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ----
c10 Linux 2.6.18- 863 0.73 1.15 6.78 10.5 21.3 1.67 4.87 194. 1154 4544
c10 Linux 2.6.18- 863 0.73 1.14 6.83 10.5 18.8 1.66 4.81 191. 1157 4509
c10 Linux 2.6.18- 863 0.71 1.12 6.90 10.5 21.1 1.64 4.82 183. 1168 4502
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
--------- ------------- ----- ------ ------ ------ ------ ------- -------
c10 Linux 2.6.18- 3.120 6.7300 20.7 12.7 161.4 45.6 160.0
c10 Linux 2.6.18- 3.040 6.7700 24.0 16.3 162.2 44.9 160.9
c10 Linux 2.6.18- 2.990 6.7700 20.9 13.1 162.9 43.4 159.5
*Local* Communication latencies in microseconds - smaller is better
-------------------------------------------------------------------
Host OS 2p/0K Pipe AF UDP RPC/ TCP RPC/ TCP
ctxsw UNIX UDP TCP conn
--------- ------------- ----- ----- ---- ----- ----- ----- ----- ----
c10 Linux 2.6.18- 3.120 12.3 19.6 31.4 50.1 42.3 62.9 131.
c10 Linux 2.6.18- 3.040 11.0 19.7 31.3 50.8 42.4 63.0 129.
c10 Linux 2.6.18- 2.990 10.7 19.6 31.3 50.0 42.2 62.9 129.
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
--------- ------------- ------ ------ ------ ------ ------- ----- -----
c10 Linux 2.6.18- 37.5 25.3 177.1 50.6 751.0 0.277 2.00000
c10 Linux 2.6.18- 37.8 25.4 175.7 51.5 761.0 0.399 2.00000
c10 Linux 2.6.18- 37.5 25.2 178.7 51.3 757.0 0.355 2.00000
*Local* Communication bandwidths in MB/s - bigger is better
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Host OS Pipe AF TCP File Mmap Bcopy Bcopy Mem Mem
UNIX reread reread (libc) (hand) read write
--------- ------------- ---- ---- ---- ------ ------ ------ ------ ---- -----
c10 Linux 2.6.18- 267. 275. 75.7 332.2 422.1 133.3 123.1 422. 180.4
c10 Linux 2.6.18- 327. 132. 76.6 331.1 421.6 133.4 123.6 422. 180.3
c10 Linux 2.6.18- 249. 224. 76.1 319.9 422.1 133.2 123.7 422. 180.3
Memory latencies in nanoseconds - smaller is better
(WARNING - may not be correct, check graphs)
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Host OS Mhz L1 $ L2 $ Main mem Guesses
--------- ------------- ---- ----- ------ -------- -------
c10 Linux 2.6.18- 863 3.476 46.4 145.0
c10 Linux 2.6.18- 863 3.477 55.2 144.9
c10 Linux 2.6.18- 863 3.476 8.1160 145.0
