[Mesa-dev] [PATCH 00/12] i965: Generate NIR at link time

Jason Ekstrand jason at jlekstrand.net
Wed Apr 8 11:40:21 PDT 2015


Series is

Reviewed-by: Jason Ekstrand <jason.ekstrand at intel.com>

On Wed, Apr 8, 2015 at 12:06 AM, Kenneth Graunke <kenneth at whitecape.org> wrote:
> Hello,
>
> This series makes i965 generate NIR at link time (or ProgramStringNotify
> time for ARB programs), rather than on each FS/VS compile.  This means
> we only do it once, rather than for SIMD8 and again for SIMD16 programs.
> It also means we can avoid it when doing state based recompiles.
>
> It speeds up shader-db on my Broadwell by about 9.4%.
>
> It also adds INTEL_DEBUG=ann support, now that we keep a persistent copy
> of the NIR program around for the annotations to refer to.
>
> Available in the 'nir-link' branch of ~kwg/mesa.
>
> --Ken
>
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