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2.5.63 Lmbench performance
Almost identical to 2.5.62
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Kernel 2.5.62
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L M B E N C H 2 . 0 S U M M A R Y
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(Alpha software, do not distribute)
Basic system parameters
----------------------------------------------------
Host OS Description Mhz
--------- ------------- ----------------------- ----
benchtest Linux 2.5.63 i686-pc-linux-gnu 790
benchtest Linux 2.5.63 i686-pc-linux-gnu 790
benchtest Linux 2.5.63 i686-pc-linux-gnu 790
benchtest Linux 2.5.63 i686-pc-linux-gnu 790
benchtest Linux 2.5.63 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 2.5.63 790 0.46 0.82 6.75 8.03 33 1.26 4.04 285 1322 6675
benchtest Linux 2.5.63 790 0.44 0.82 6.66 7.99 1.23 4.04 364 1318 6776
benchtest Linux 2.5.63 790 0.46 0.81 6.86 8.10 33 1.23 4.04 270 1338 6755
benchtest Linux 2.5.63 790 0.46 0.85 6.77 8.07 34 1.26 4.06 315 1329 6778
benchtest Linux 2.5.63 790 0.44 0.83 6.73 8.00 33 1.23 4.04 360 1315 6650
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 2.5.63 1.220 4.7500 15 9.5500 182 42 178
benchtest Linux 2.5.63 1.480 4.8200 14 25 182 44 180
benchtest Linux 2.5.63 1.440 5.1800 14 8.3400 179 39 178
benchtest Linux 2.5.63 1.580 5.1300 15 7.8900 181 42 179
benchtest Linux 2.5.63 1.440 4.8200 14 8.7100 183 42 179
*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 2.5.63 1.220 8.658 13 24 47 31 57 102
benchtest Linux 2.5.63 1.480 7.440 13 23 47 31 57 103
benchtest Linux 2.5.63 1.440 8.366 13 23 46 30 57 103
benchtest Linux 2.5.63 1.580 8.422 13 23 47 31 57 102
benchtest Linux 2.5.63 1.440 8.205 13 23 47 30 57 104
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 2.5.63 93 31 331 83 605 0.545 4.00000
benchtest Linux 2.5.63 92 31 342 82 627 0.522 4.00000
benchtest Linux 2.5.63 91 31 330 83 607 0.540 4.00000
benchtest Linux 2.5.63 92 31 334 82 596 0.527 4.00000
benchtest Linux 2.5.63 91 31 331 82 615 0.595 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 2.5.63 527 435 50 294 354 123 113 156 107
benchtest Linux 2.5.63 581 398 52 297 354 123 113 353 170
benchtest Linux 2.5.63 536 402 52 299 354 123 113 353 170
benchtest Linux 2.5.63 531 630 53 298 354 123 112 353 169
benchtest Linux 2.5.63 557 432 52 298 353 123 113 352 170
Memory latencies in nanoseconds - smaller is better
(WARNING - may not be correct, check graphs)
---------------------------------------------------
Host OS Mhz L1 $ L2 $ Main mem Guesses
--------- ------------- ---- ----- ------ -------- -------
benchtest Linux 2.5.63 790 3.798 8.8760 174
benchtest Linux 2.5.63 790 3.798 8.8830 175
benchtest Linux 2.5.63 790 3.797 10 175
benchtest Linux 2.5.63 790 3.808 8.8720 175
benchtest Linux 2.5.63 790 3.797 8.8720 175
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