[Mesa-dev] [PATCH] st/mesa: use u_bit_scan64() on 64-bit CPUs

Marek Olšák maraeo at gmail.com
Fri Oct 21 13:17:20 UTC 2016

On Oct 21, 2016 12:06 PM, "Jan Ziak" <0xe2.0x9a.0x9b at gmail.com> wrote:
> On Fri, Oct 21, 2016 at 12:04 PM, Marek Olšák <maraeo at gmail.com> wrote:
> > This won't make it faster.
> Why?

It's obviously a micro optimization that adds more stuff than it benefits
the runtime. I don't think that real performance improvements will be so
simple and obvious.

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