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

2016-10-21 Thread Marek Olšák
On Fri, Oct 21, 2016 at 4:41 PM, Roland Scheidegger wrote: > Am 21.10.2016 um 15:17 schrieb Marek Olšák: >> On Oct 21, 2016 12:06 PM, "Jan Ziak" <0xe2.0x9a.0...@gmail.com >> > wrote: >>> >>> On Fri, Oct 21, 2016 at 12:04 PM, Marek Olšák

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

2016-10-21 Thread Roland Scheidegger
Am 21.10.2016 um 15:17 schrieb Marek Olšák: > On Oct 21, 2016 12:06 PM, "Jan Ziak" <0xe2.0x9a.0...@gmail.com > > wrote: >> >> On Fri, Oct 21, 2016 at 12:04 PM, Marek Olšák > wrote: >> > This won't make it faster. >> >>

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

2016-10-21 Thread Marek Olšák
On Oct 21, 2016 3:23 PM, "Jan Ziak" <0xe2.0x9a.0...@gmail.com> wrote: > > On Fri, Oct 21, 2016 at 3:17 PM, Marek Olšák wrote: > > On Oct 21, 2016 12:06 PM, "Jan Ziak" <0xe2.0x9a.0...@gmail.com> wrote: > >> > >> On Fri, Oct 21, 2016 at 12:04 PM, Marek Olšák

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

2016-10-21 Thread Jan Ziak
On Fri, Oct 21, 2016 at 3:17 PM, Marek Olšák wrote: > On Oct 21, 2016 12:06 PM, "Jan Ziak" <0xe2.0x9a.0...@gmail.com> wrote: >> >> On Fri, Oct 21, 2016 at 12:04 PM, Marek Olšák wrote: >> > This won't make it faster. >> >> Why? > > It's obviously a micro

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

2016-10-21 Thread Marek Olšák
On Oct 21, 2016 12:06 PM, "Jan Ziak" <0xe2.0x9a.0...@gmail.com> wrote: > > On Fri, Oct 21, 2016 at 12:04 PM, Marek Olšák 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

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

2016-10-21 Thread Jan Ziak
On Fri, Oct 21, 2016 at 12:04 PM, Marek Olšák wrote: > This won't make it faster. Why? ___ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev

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

2016-10-21 Thread Marek Olšák
NAK. This won't make it faster. Marek On Fri, Oct 21, 2016 at 11:58 AM, Jan Ziak <0xe2.0x9a.0...@gmail.com> wrote: > st_validate_state() shows up in benchmarks. This patch makes it a little bit > faster in 64-bit mode. > > Signed-off-by: Jan Ziak (http://atom-symbol.net)