[Mesa-dev] A few NIR compile time optimisations
maraeo at gmail.com
Tue Feb 19 23:49:04 UTC 2019
st_link_shader takes 55% of CPU time with NIR, and 9% with TGSI.
nir_validate_shader is overused. It doesn't make sense even in debug builds.
On Wed, Feb 13, 2019 at 4:26 AM Connor Abbott <cwabbott0 at gmail.com> wrote:
> Reviewed-by: Connor Abbott <cwabbott0 at gmail.com>
> I'm a bit surprised it's that slow... do you have any idea what's going
> on? I've made flamegraphs in the past on i965 to see where most of the time
> is spent.
> On Wed, Feb 13, 2019 at 9:00 AM Timothy Arceri <tarceri at itsqueeze.com>
>> Currently the radeonsi NIR backend takes around twice the time
>> of the tgsi backend to compile shader-db. These are some first
>> steps at reducing the overhead of NIR.
>> This series reduces the compile time of a Deus Ex program I was
>> profiling by around 5%.
>> mesa-dev mailing list
>> mesa-dev at lists.freedesktop.org
> mesa-dev mailing list
> mesa-dev at lists.freedesktop.org
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