[BENCHMARK] Lmbench performance 2.5.67

Aniruddha M Marathe (aniruddha.marathe@wipro.com)
Tue, 8 Apr 2003 19:33:01 +0530

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Summary:
--------------------------------------------------------------------------------------------------------
2.5.67 2.5.64
--------------------------------------------------------------------------------------------------------
Processor, Processes - times in microseconds - smaller is better
Exec proc 1150 1292
--------------------------------------------------------------------------------------------------------
Context switching - times in microseconds - smaller is better
2p/0k ctxsw 0.940 1.420
8p/16k ctxsw 9.04 15
--------------------------------------------------------------------------------------------------------
File & VM system latencies in microseconds - smaller is better
Mmap latency 494 609
--------------------------------------------------------------------------------------------------------

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 2.5.67 i686-pc-linux-gnu 790
benchtest Linux 2.5.67 i686-pc-linux-gnu 790
benchtest Linux 2.5.67 i686-pc-linux-gnu 790
benchtest Linux 2.5.67 i686-pc-linux-gnu 790
benchtest Linux 2.5.67 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 2.5.67 790 0.44 0.77 6.50 8.04 31 1.23 3.85 263 1117 6097
benchtest Linux 2.5.67 790 0.44 0.76 6.63 8.14 31 1.23 3.86 267 1127 6049
benchtest Linux 2.5.67 790 0.44 0.77 6.61 8.15 30 1.23 3.87 285 1150 6077
benchtest Linux 2.5.67 790 0.46 0.76 6.62 8.17 30 1.23 3.86 345 1197 6128
benchtest Linux 2.5.67 790 0.44 0.78 6.67 8.19 32 1.23 3.86 292 1189 6084

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 2.5.67 0.940 4.6100 66 9.0400 176 39 176
benchtest Linux 2.5.67 0.920 4.6100 16 9.8600 175 39 175
benchtest Linux 2.5.67 0.910 4.5800 14 7.0800 173 37 175
benchtest Linux 2.5.67 1.290 4.6100 14 15 177 42 176
benchtest Linux 2.5.67 0.940 4.6400 14 8.9400 176 40 176

*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 2.5.67 0.940 8.335 12 23 48 30 56 104
benchtest Linux 2.5.67 0.920 8.315 12 23 63 30 56 103
benchtest Linux 2.5.67 0.910 8.137 12 23 45 30 55 102
benchtest Linux 2.5.67 1.290 8.178 12 23 45 30 56 103
benchtest Linux 2.5.67 0.940 8.383 12 23 45 30 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 2.5.67 87 27 294 76 487 0.583 5.00000
benchtest Linux 2.5.67 87 27 291 75 498 0.625 4.00000
benchtest Linux 2.5.67 88 27 296 75 502 0.595 4.00000
benchtest Linux 2.5.67 88 27 294 75 491 0.582 4.00000
benchtest Linux 2.5.67 87 27 297 75 494 0.581 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 2.5.67 624 562 50 309 357 125 114 358 172
benchtest Linux 2.5.67 598 482 51 301 358 125 114 359 171
benchtest Linux 2.5.67 616 340 49 308 358 125 114 358 171
benchtest Linux 2.5.67 598 539 51 310 357 125 113 358 171
benchtest Linux 2.5.67 623 314 50 307 355 125 114 356 171

Memory latencies in nanoseconds - smaller is better
(WARNING - may not be correct, check graphs)
---------------------------------------------------
Host OS Mhz L1 $ L2 $ Main mem Guesses
--------- ------------- ---- ----- ------ -------- -------
benchtest Linux 2.5.67 790 3.798 8.8800 173
benchtest Linux 2.5.67 790 3.799 8.8830 173
benchtest Linux 2.5.67 790 3.799 8.8820 173
benchtest Linux 2.5.67 790 3.800 8.8810 173
benchtest Linux 2.5.67 790 3.798 8.8730 174
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Next message: Oleg Drokin: "reiserfs: fixup transaction size check for old filesystems [RESEND]"
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