Mesa: NIR Compile Times and Broadcom VC5 Driver
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NIR Compile Times Are Being Lowered Thanks To Latest Mesa Patches
The latest driver optimization work by Timothy Arceri on Valve's Linux GPU driver team has been working on function inlining within NIR rather than within the GLSL IR optimizations. The net result is faster NIR compile times that benefit the Intel OpenGL driver and also help with RadeonSI Gallium3D.
Arceri has been working to improve the compile times for NIR since right now with RadeonSI the compile times are slower than using the TGSI code-path. This latest patch series is a step in the right direction and it also happens to help the i965 NIR performance too.
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Broadcom VC5 Driver Making Good Progress With Using AMDGPU's DRM Scheduler
Last month I wrote about Broadcom's Eric Anholt exploring the use of AMDGPU's DRM scheduler within the in-development Video Core V (VC5) DRM driver. That work has panned out and looks like it will eventually work out for this open-source Broadcom graphics driver.
Eric Anholt has spent the past two weeks wiring up the AMDGPU DRM scheduler now known as DRM_SCHED to the driver, similar to Etnaviv also now using this scheduler code that provides a serial run queue to each client and also easier support for some new features.
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