lkml.org 
[lkml]   [2006]   [Jan]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: -mm seems significanty slower than mainline on kernbench
Martin Bligh wrote:
>
>> Thanks and looks like the results are in from 2.6.14-rc2-mm1 with the
>> patch backed out.
>>
>> Drumroll....
>>
>> http://test.kernel.org/perf/kernbench.moe.png
>>
>> The performance goes back to a range similar to 2.6.14-rc1-mm1 (see
>> 2.6.14-rc2-mm1 + 20328 in blue). Unfortunately this does implicate
>> this patch. Can we put it back into -mm only and allow Peter's
>> tweaks/fixes to go on top and have it tested some more before going
>> upstream?
>
>
> Hmm. Looks like we didn't get this as fixed up as I thought. Moe seems
> to be fixed (16x NUMA-Q), but elm3b132 is not (it's 4x, flat SMP ia32).
> Look at the latest graphs ....
>
> Is it possible it only got fixed for NUMA boxes?

It should be totally independent.

But anyhow, I can't see the problem. The only numbers that I can see
for 2.6.16-rc1-mm[1|2] (which are the ones with the latest fix) on this
graph are approx. 101 which is much the same as the best of the rest.
Or have I missed something?

Peter
--
Peter Williams pwil3058@bigpond.net.au

"Learning, n. The kind of ignorance distinguishing the studious."
-- Ambrose Bierce
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2006-01-24 02:28    [W:0.247 / U:0.872 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site