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

[Jan Ziak]

On Fri, Oct 21, 2016 at 3:17 PM, Marek Olšák <maraeo at gmail.com> wrote:
> 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

Yes.

> that adds more stuff than it benefits
> the runtime. I don't think that real performance improvements will be so
> simple and obvious.

What idea would you consider a real performance improvement (in
relation to function st_validate_state() for example)?