RADV Vulkan Performance Appears To Improve With Linux 4.11
Written by Michael Larabel in Display Drivers on 24 February 2017. Page 3 of 3. 17 Comments

The RADV Vulkan performance was noticeably better with Linux 4.11 DRM-Next code versus Linux 4.10, similar to our tests with the RX 470.

It's exciting to see the Vulkan RADV performance get faster with the AMDGPU kernel improvements in Linux 4.11.

What AMDGPU change is causing this faster performance? Marek had commented on the RX 470 article that he wasn't entirely sure, but could be due to the TTM memory management improvements in Linux 4.11. There is also more work on power management with Linux 4.11, but if the improvements were due to PM fixes, we probably would have seen better OpenGL performance in some tests. The AMDGPU changes for Linux 4.11 are covered in this article.

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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 10,000 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 or contacted via MichaelLarabel.com.

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