[Mesa-dev] GLSL compile time improvements

Timothy Arceri tarceri at itsqueeze.com
Mon Aug 7 23:36:53 UTC 2017

On 08/08/17 02:52, Thomas Helland wrote:
> Patch 7 has my RB. I'll look closer at the rest this evening.
> There's also the stringbuffer work that I have lying that should help.
> I just have to find out how to run the gtest tests to verify their working.

oh right. Sorry for the overlap :(

We could commit this first just in case the stringbuffer needs to be 
rolled back for some reason, as it is a more invasive change.

> On Aug 7, 2017 04:19, "Timothy Arceri" <tarceri at itsqueeze.com 
> <mailto:tarceri at itsqueeze.com>> wrote:
>     I've sent all but the last 2 already but they haven't received much
>     feedback yet.
>     This series reduces compile times of the Deus Ex shaders on my
>     Ryzen 1800X from 2m27s -> 2m8s with a cold cache on radeonsi.
>     Note: The above times are from compiling the shaders with shader-db
>     on a single thread, starting the actual game results in around
>     double the time/improvement.
>     The aim of the series was to target overhead in the parser/AST
>     sections of the compiler. I believe there is probably still more
>     low hanging fruit in the AST code. I've been profiling this by
>     compiling the shaders once and then deleting the index file from
>     the cache.
>     Please review.
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