"Martin J. Bligh" wrote:

quoted

I must say that based on a small amount of performance testing the
benefits of the cache warmness thing are disappointing. Maybe 1% if
you squint.  Martin, could you please do a before-and-after on the
NUMAQ's, double check that it is actually doing the right thing?

Seems to work just fine:

2.5.38-mm1 + my original hot/cold code.
Elapsed: 19.798s User: 191.61s System: 43.322s CPU: 1186.4%

2.5.39-mm1
Elapsed: 19.532s User: 192.25s System: 42.642s CPU: 1203.2%

And it's a lot more than 1% for me ;-) About 12% of systime
on kernel compile, IIRC.

Well that's still a 1% bottom line.  But we don't have a
comparison which shows the effects of this patch alone.

Can you patch -R the five patches and retest sometime?

I just get the feeling that it should be doing better.
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