[BENCHMARK] LM bench results summary for 52-mm1 patch

Aniruddha M Marathe (aniruddha.marathe@wipro.com)
Mon, 16 Dec 2002 15:48:49 +0530


Hi,
Here is a brief summary of results of LM bench on kernel 2.5.52

2.5.52-mm1 2.5.51
==============================================================================
Processor, Processes - times in microseconds - smaller is better

1. Null call 0.44 0.46
2. open close 30 28
3. single handle 5.13 5.22
4. fork proc 400 363
5. sh proc 8279 7967
------------------------------------------------------------------------------
*Local* Communication latencies in microseconds - smaller is better
1. TCP connection 174 161
------------------------------------------------------------------------------
File & VM system latencies in microseconds - smaller is better
1. 0K file delete 60 57
2. mmap latency 615 640
------------------------------------------------------------------------------
==============================================================================

Rest of the results are not much different.

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 2.5.52 i686-pc-linux-gnu 790
benchtest Linux 2.5.52 i686-pc-linux-gnu 790
benchtest Linux 2.5.52 i686-pc-linux-gnu 790
benchtest Linux 2.5.52 i686-pc-linux-gnu 790
benchtest Linux 2.5.52 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 2.5.52 790 0.44 0.81 28 30 1.30 5.13 355 1581 8185
benchtest Linux 2.5.52 790 0.44 0.83 28 30 36 1.31 5.13 400 1570 8247
benchtest Linux 2.5.52 790 0.44 0.81 28 30 32 1.29 5.35 401 1584 8336
benchtest Linux 2.5.52 790 0.46 0.83 28 30 37 1.28 5.13 404 1591 8277
benchtest Linux 2.5.52 790 0.44 0.80 28 30 32 1.28 5.12 370 1572 8279

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 2.5.52 1.350 4.9900 14 9.6200 176 46 177
benchtest Linux 2.5.52 1.290 4.6000 15 8.0900 179 42 179
benchtest Linux 2.5.52 1.190 4.8300 14 7.3500 177 44 179
benchtest Linux 2.5.52 1.190 4.5800 17 7.4400 184 42 180
benchtest Linux 2.5.52 1.340 4.6200 16 9.1900 181 39 180

*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 2.5.52 1.350 7.875 21 34 59 128 158 174
benchtest Linux 2.5.52 1.290 7.961 21 35 59 126 159 174
benchtest Linux 2.5.52 1.190 7.982 21 34 60 127 160 175
benchtest Linux 2.5.52 1.190 8.239 21 34 60 125 159 176
benchtest Linux 2.5.52 1.340 7.952 21 34 60 125 158 175

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 2.5.52 120 60 384 130 640 1.124 5.00000
benchtest Linux 2.5.52 120 60 396 130 646 1.095 4.00000
benchtest Linux 2.5.52 120 60 384 126 637 0.803 4.00000
benchtest Linux 2.5.52 121 60 385 130 644 1.090 4.00000
benchtest Linux 2.5.52 120 60 385 122 635 1.032 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 2.5.52 337 135 22 298 355 124 113 355 171
benchtest Linux 2.5.52 447 134 22 293 353 123 112 354 169
benchtest Linux 2.5.52 422 136 22 293 353 123 112 354 169
benchtest Linux 2.5.52 445 135 22 295 353 123 113 354 169
benchtest Linux 2.5.52 450 134 22 294 352 123 112 353 169

Memory latencies in nanoseconds - smaller is better
(WARNING - may not be correct, check graphs)
---------------------------------------------------
Host OS Mhz L1 $ L2 $ Main mem Guesses
--------- ------------- ---- ----- ------ -------- -------
benchtest Linux 2.5.52 790 3.807 8.8730 174
benchtest Linux 2.5.52 790 3.799 8.8760 175
benchtest Linux 2.5.52 790 3.808 8.8840 175
benchtest Linux 2.5.52 790 3.801 8.8730 176
benchtest Linux 2.5.52 790 3.809 8.8720 176

Regards,
Aniruddha Marathe
WIPRO Technologies, India
Aniruddha.marathe@wipro.com
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