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SubjectRe: [Suggestion] [x86]: Compiler Option Os is better on latest x86
On Thu, Jan 24, 2013 at 03:17:33PM +0100, Ingo Molnar wrote:
> > So our initial conclusion is Os is better than O2 for current
> > & coming x86 CPUs. If I was wrong, please correct me.
> Did you patch the kernel, or used CONFIG_CC_OPTIMIZE_FOR_SIZE?
> (there was no patch in your mail.)

Hmm, I'm not sure about -Os: 3a55fb0d9fe8e2f4594329edd58c5fd6f35a99dd

And 0.01/0.03 IPC improvement doesn't really look too persuasive IMO.


Sent from a fat crate under my desk. Formatting is fine.

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