[BENCHMARK] 2.5.68 Lmbench performance

Aniruddha M Marathe (aniruddha.marathe@wipro.com)
Fri, 25 Apr 2003 10:16:08 +0530


This result is almost identical with 2.5.67 result. No parameter has varied by more than 5%.

L M B E N C H 2 . 0 S U M M A R Y
------------------------------------
(Alpha software, do not distribute)

Basic system parameters
----------------------------------------------------
Host OS Description Mhz

--------- ------------- ----------------------- ----
benchtest Linux 2.5.68 i686-pc-linux-gnu 790
benchtest Linux 2.5.68 i686-pc-linux-gnu 790
benchtest Linux 2.5.68 i686-pc-linux-gnu 790
benchtest Linux 2.5.68 i686-pc-linux-gnu 790
benchtest Linux 2.5.68 i686-pc-linux-gnu 790

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
--------- ------------- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ----
benchtest Linux 2.5.68 790 0.44 0.74 6.55 7.92 29 1.23 3.89 271 1110 6007
benchtest Linux 2.5.68 790 0.44 0.74 6.61 7.98 30 1.23 3.89 244 1097 6032
benchtest Linux 2.5.68 790 0.44 0.75 6.56 8.01 31 1.25 3.88 226 1123 6004
benchtest Linux 2.5.68 790 0.44 0.73 6.54 8.01 31 1.25 3.88 231 1149 6000
benchtest Linux 2.5.68 790 0.46 0.76 6.71 8.15 28 1.25 3.88 265 1129 6031

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
--------- ------------- ----- ------ ------ ------ ------ ------- -------
benchtest Linux 2.5.68 1.200 4.7400 14 9.3600 176 37 178
benchtest Linux 2.5.68 1.320 4.7400 14 7.2700 178 41 177
benchtest Linux 2.5.68 1.100 4.6900 14 6.9700 175 41 177
benchtest Linux 2.5.68 1.080 4.7600 14 7.9700 175 37 177
benchtest Linux 2.5.68 0.980 4.7500 19 10 179 41 178

*Local* Communication latencies in microseconds - smaller is better
-------------------------------------------------------------------
Host OS 2p/0K Pipe AF UDP RPC/ TCP RPC/ TCP
ctxsw UNIX UDP TCP conn
--------- ------------- ----- ----- ---- ----- ----- ----- ----- ----
benchtest Linux 2.5.68 1.200 8.281 12 22 45 31 56 102
benchtest Linux 2.5.68 1.320 8.262 12 22 46 31 57 102
benchtest Linux 2.5.68 1.100 8.449 12 22 46 31 57 102
benchtest Linux 2.5.68 1.080 8.395 12 22 46 31 56 102
benchtest Linux 2.5.68 0.980 8.324 12 22 46 31 56 102

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
--------- ------------- ------ ------ ------ ------ ------- ----- -----
benchtest Linux 2.5.68 85 27 295 74 472 0.626 4.00000
benchtest Linux 2.5.68 88 27 296 72 462 0.625 4.00000
benchtest Linux 2.5.68 87 26 294 74 468 0.617 4.00000
benchtest Linux 2.5.68 87 26 292 74 463 0.595 4.00000
benchtest Linux 2.5.68 86 27 309 74 470 0.638 4.00000

*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
--------- ------------- ---- ---- ---- ------ ------ ------ ------ ---- -----
benchtest Linux 2.5.68 580 423 51 308 356 124 113 355 171
benchtest Linux 2.5.68 620 446 50 307 356 124 113 356 170
benchtest Linux 2.5.68 615 345 52 283 355 124 113 355 170
benchtest Linux 2.5.68 616 387 53 309 356 124 113 355 170
benchtest Linux 2.5.68 621 436 51 308 355 124 113 355 170

Memory latencies in nanoseconds - smaller is better
(WARNING - may not be correct, check graphs)
---------------------------------------------------
Host OS Mhz L1 $ L2 $ Main mem Guesses
--------- ------------- ---- ----- ------ -------- -------
benchtest Linux 2.5.68 790 3.797 8.8700 174
benchtest Linux 2.5.68 790 3.798 8.8710 174
benchtest Linux 2.5.68 790 3.797 8.8800 174
benchtest Linux 2.5.68 790 3.806 8.8930 174
benchtest Linux 2.5.68 790 3.805 8.8710 174

-Aniruddha
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