Originally posted by BNieuwenhuizen
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Vulkan vs. OpenGL Performance For Counter-Strike: Global Offensive
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Michael Larabel
https://www.michaellarabel.com/
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The vulkan render path is extremely jerky due to the shaders compiling when they're needed. It gets smoother the more you play, just like playing a Frostbite engine game (Battlefield). It's nearly unusable in multiplayer. Frame times seem longer also, at least on my system with a Radeon VII. Launch time is a lot faster.
The OpenGL render path is now jerky as well, so they must have broken something.
Edit: Using the AMDGPU-PRO Vulkan ICD results in muuuuuch smoother performance than AMDVLK. Both, however, result in extremely jerky play after 20-30 minutes of continuous playing. The game goes from like 100 to 15 fps multiple times per second.Last edited by Particle; 15 December 2021, 10:50 PM.
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Originally posted by linner View PostDeveloping for Vulkan is like programming in assembly language. I thought we had evolved past that pain a long time ago.
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I just tried to run phoronix-test-suite benchmark pts/csgo
csgo-pts01.png
It seems to not work right.
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Originally posted by Michael View Post
Will double check but I believe so, though would explain the sub-4K results if Vulkan is messing up on resolution, just had figured some other bottleneck being hit there.
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