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RADV Shader Prefetching Yields Minor Performance Boost

Written by Michael Larabel in Radeon on 19 April 2017 at 05:03 PM EDT. 5 Comments

Bas Nieuwenhuizen continues being very busy with work on the open-source (unofficial) Radeon Vulkan driver, RADV.

The latest patch sent out by Nieuwenhuizen today is an 18 line patch for allowing shader pre-fetch support in the RADV driver.

With the shader pre-fetching support, he's found RADV to improve for Dota 2 and The Talos Principle with Vulkan by about 2%.

Details via this patch. Every little bit counts in trying to make the RADV driver more performant against AMDGPU-PRO's Vulkan driver until AMD ends up opening that code-base.

5 Comments

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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via MichaelLarabel.com.