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SubjectRe: [PATCH RFC] [X86] Compile Option Os versus O2 on latest x86 platform
On Tue, 1 Dec 2009 16:54:04 +0800
"Ma, Ling" <ling.ma@intel.com> wrote:

> Hi Ingo
>
> Thanks for your correction, so we use perf stat --repeat 3 to test
> volano, tbench, and kbuild, Because netperf has multiple items we may
> send out later.

a key question is.. how much more memory do you have free due to -Os?
(because memory is cache is performance on a system level as well)
and how much less icache pressure is there?


--
Arjan van de Ven Intel Open Source Technology Centre
For development, discussion and tips for power savings,
visit http://www.lesswatts.org


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