4.1-rc1 fails with O3 optimization
debiandev at gmail.com
Tue Apr 28 01:41:07 EDT 2015
On Mon, Apr 27, 2015 at 9:00 PM, Bobby Powers <bobbypowers at gmail.com> wrote:
> Andev wrote:
>> I usually compile my kernel with an unsupported O3 option(why not? :).
> Because there have been publications that show on major benchmarks,
> the effects of -O3 are indistinguishable from noise:
> Have you noticed that -O3 provides any performance benefits over -O2?
Look here: http://www.spinics.net/lists/kernel/msg1962561.html
Btw, this will help uncover problems in either gcc or the kernel for
sure. So no harm in trying!
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