[Mesa-dev] [RFC] optimise st_glsl_to_tgsi

Dave Airlie airlied at gmail.com
Wed Aug 26 18:50:08 PDT 2015

On 27 August 2015 at 11:29, Dave Airlie <airlied at gmail.com> wrote:
> I profiled shader-db running on radeonsi, and the temp register
> handling passes in the glsl->tgsi convertor were quite heavy
> users of CPU.
> These two passes are my attempt at cleaning them up to avoid
> looping over the instruction set so much. I'm in the process
> of piglitting then,
> On my CPU, a shader-db in one thread takes about 24s before
> this and about 21s after, and glsl_to_tgsi_visitor goes
> down the profile list.

okay they don't show any shader-db changes and piglit seems
to be heading for a clean run on radeonsi.


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