Vladislav Bolkhovitin wrote:
Cameron Harr, on 02/26/2009 08:19 PM wrote:
Cameron Harr wrote:
Cameron Harr wrote:
I re-compiled and re-ran the tests and numbers are a little better
but performance still seems to have gone down from 673:
Test 1:373751.66
Test 2:371242.6067
Test 3:347988.1467
Test 4:378247.31
Test 5:375616.53
I was curious and did a regression test with 673 and those numbers
are now even worse, so I'll presume there is an issue on my system
and not the SCST code:
Test 1:365204.3067
Test 2:364152.2067
Test 3:340665.7633
Test 4:369916.8133
Test 5:369093.5833
It's known that any OS, including Linux, is getting "tired" under load
with time from boot, which leads to worse performance. I guess, you
can experience such effect.
Check with r634. R635 has cache locality in data structures related
change, which intended to improve performance a bit, but might make it
worse instead.
This is with 634. It's pretty bad:
338316.44
329698.04
307972.7133
345682.4733
344165.08
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