[Mesa-dev] [PATCH v2 7/7] i965: make use of nir linking

[Kenneth Graunke]

On Tuesday, September 26, 2017 4:31:46 AM PDT Eero Tamminen wrote:
> Hi,
> 
> On 26.09.2017 12:04, Timothy Arceri wrote:
> > On 26/09/17 17:50, Kenneth Graunke wrote:
> [...]
> >> 2. It would be great to use this in anv as well, especially given that
> >>     it has no GLSL IR linking to do this sort of stuff.  Plus, the SPIR-V
> >>     might be compiled independently...and when you build the pipeline,
> >>     you have all the stages and can do cross-stage linking optimizations
> >>     like this.
> > 
> > Yeah the reason for doing this was to eventually add it to radv. i965 
> > was just a nicer place to test it, same goes for the passes that will 
> > follow. Right now the biggest blocked is justifying the added complexity 
> > as there isn't a standard shader-db like tool, and it's not making any 
> > noticeable differences in any benchmarks.
> 
> I think the old GLBenchmark v2.5 / v2.7 tests (e.g. Egypt) might be 
> something where cross-stage linking optimizations impact could show up.
> 
> 
> 	- Eero

Those aren't Vulkan benchmarks, though.
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