graphite in -O3

David Edelsohn dje.gcc@gmail.com
Sun Nov 16 22:46:00 GMT 2014


Because they have not shown general performance benefit.

I hope that the renewed attention and development effort will allow
them to be enabled by default eventually.

Thanks, David

On Sun, Nov 16, 2014 at 2:10 PM, Andi Kleen <andi@firstfloor.org> wrote:
>
> Is there any specific reason why none of the graphite loop optimizations
> (loop-block, loop-interchange, loop-strip-mine, loop-jam)
> are enabled with -O3 or -Ofast?
>
> I assume doing so would make them much more widely used.
>
> Perhaps would be something to consider for 5.0?
>
> -Andi
>



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