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Subject[BENCHMARK] 2.5.56 Lmbench results
Date
From
Hi,
Here is a comparison of results of 2.5.56 and 2.5.55. The figures in the table
below indicate median of 5 repetitions of tests. This result doesn't have many
Differences than the previous one.


2.5.56 2.5.55
==============================================================================
Processor, Processes - times in microseconds - smaller is better

1. sh proc 6530 7117
------------------------------------------------------------------------------
Context switching - times in microseconds - smaller is better

1. 2p/0K ctxsw 1.500 1.100
2. 2p/16K ctxsw 5.14 4.3800
------------------------------------------------------------------------------
*Local* Communication latencies in microseconds - smaller is better
1. PIPE 8.357 5.626
4. TCP 30 69
------------------------------------------------------------------------------
File & VM system latencies in microseconds - smaller is better
1. MMAP latency 611 472
------------------------------------------------------------------------------
*Local* Communication bandwidth in MB/s - bigger is better
1. PIPE 554 634
2. AF UNIX 135 437
==============================================================================

Full result
****************************************************************************
Lmbench result
kernel 2.5.56
****************************************************************************

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 2.5.56 i686-pc-linux-gnu 790
benchtest Linux 2.5.56 i686-pc-linux-gnu 790
benchtest Linux 2.5.56 i686-pc-linux-gnu 790
benchtest Linux 2.5.56 i686-pc-linux-gnu 790
benchtest Linux 2.5.56 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 2.5.56 790 0.46 0.81 6.94 8.38 1.30 3.78 297 1259 6563
benchtest Linux 2.5.56 790 0.44 0.80 6.90 8.34 35 1.29 3.77 243 1230 6520
benchtest Linux 2.5.56 790 0.44 0.80 6.92 8.37 35 1.27 3.82 258 1220 6530
benchtest Linux 2.5.56 790 0.46 0.84 6.93 8.41 33 1.30 3.77 290 1240 6524
benchtest Linux 2.5.56 790 0.46 0.81 6.89 8.37 36 1.30 3.77 269 1257 6534

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 2.5.56 1.410 5.2200 14 6.9200 174 38 177
benchtest Linux 2.5.56 1.390 4.8300 14 7.8400 179 39 180
benchtest Linux 2.5.56 1.500 5.1500 14 7.4500 182 40 181
benchtest Linux 2.5.56 1.570 5.1400 14 6.4100 178 41 179
benchtest Linux 2.5.56 1.540 4.7900 64 9.5500 176 41 179

*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 2.5.56 1.410 8.282 13 24 46 30 60 103
benchtest Linux 2.5.56 1.390 8.458 13 24 46 43 58 102
benchtest Linux 2.5.56 1.500 8.315 14 24 46 43 59 102
benchtest Linux 2.5.56 1.570 8.357 13 24 59 30 58 103
benchtest Linux 2.5.56 1.540 8.380 14 24 46 30 57 105

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 2.5.56 90 30 332 82 615 0.913 4.00000
benchtest Linux 2.5.56 90 30 321 82 605 0.930 4.00000
benchtest Linux 2.5.56 90 30 324 82 609 0.919 4.00000
benchtest Linux 2.5.56 90 30 323 82 611 0.917 4.00000
benchtest Linux 2.5.56 90 30 333 79 612 0.895 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 2.5.56 510 482 53 298 353 124 113 354 170
benchtest Linux 2.5.56 570 252 53 291 350 122 112 351 169
benchtest Linux 2.5.56 590 437 51 297 352 123 112 352 169
benchtest Linux 2.5.56 575 534 52 293 352 123 112 351 169
benchtest Linux 2.5.56 521 327 51 294 352 123 112 352 169

Memory latencies in nanoseconds - smaller is better
(WARNING - may not be correct, check graphs)
---------------------------------------------------
Host OS Mhz L1 $ L2 $ Main mem Guesses
--------- ------------- ---- ----- ------ -------- -------
benchtest Linux 2.5.56 790 3.799 8.8810 175
benchtest Linux 2.5.56 790 3.798 56 176
benchtest Linux 2.5.56 790 3.799 8.8820 176
benchtest Linux 2.5.56 790 3.798 8.8830 176
benchtest Linux 2.5.56 790 3.808 8.8730 176

Aniruddha Marathe
WIPRO Technologies, India
aniruddha.marathe@wipro.com
+91-80-5502001 to 2008 extn 5092
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