[PATCH] [AArch64] Enable partial unrolling and runtime unrolling for AArch64 target

[Kevin Qin]

Hi Renato,

If we all agree to use 16 as loop buffer size for A57, can you or anyone
else give a final approval?

Thanks,
Kevin

2014-10-06 12:13 GMT+01:00 Renato Golin <renato.golin at linaro.org>:

> On 6 October 2014 11:27, Kevin Qin <kevinqindev at gmail.com> wrote:
> > From the result we can see that, when loop buffer size is 16, all
> benchmarks
> > got or close to the lowest execution time among all tries, which brings
> > about 0.5% performance improvement on eembc, spec2000 and spec2006, and
> the
> > code bloat is about 1.5% in geomean and 7% at worst case respectively.
>
> Hi Kevin,
>
> I agree 16 is the best heuristics.
>
> cheers,
> --renato
>



-- 
Best Regards,

Kevin Qin
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20141007/c916ea26/attachment.html>