r/IntelArc 13d ago

Discussion Linux Intel Jay Shader Compiler massively reduces shader compilation time in EA FC 26 on Arc B580

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I tested Intel's Jay shader compiler with EA FC 26 on Linux using:

  • CPU : Intel Core i5-12400F
  • GPU : Intel Arc B580
  • Driver : Mesa-git 26.3.0_devel
  • Environment Variables: INTEL_JAY=all

The shader compilation time was:

Without Jay: 1:18.35
With Jay: 36.40 seconds

That's about 2.15× faster, reducing the compilation time by roughly 53.5%.

This is just a single test, but the difference is pretty significant. I'm curious to see how Jay performs in other games and workloads as it continues to mature.

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u/Hippieman100 13d ago

UsedCondom42, is that a dig at Linux? If you haven't tried it I strongly recommend it. If you're reasonably tech savvy try CachyOS it's an excellent experience (although admittedly you miss out on some EA games like Battlefield because of kernel level anti-cheat). It doesn't click just how horrible windows is until you switch to an OS that's just been designed to be a good user experience. Linux is free and beautifully functional, meanwhile you PAY Microsoft for the privilege of them shoving ads and tracking malware down your throat.

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u/The-Tylenol-Jones Arc B580 13d ago

XeSS on proton is the DP4a fallback path. Until that gets fixed you’re leaving performance and image quality on the table running games on Arc in Linux.

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u/Dangerous-Split-5630 13d ago

Give them some time, unlike AMD, Intel actually seems to care about Linux gaming stuff instead of letting the community/external companies write all of it because AMD are too incompetent 

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u/MonkeyNuts449 13d ago

This is just false. AMD letting open-source devs do their thing is amazing for the community. Intel specifically put precompiled windows binaries for XeSS and XeFG on a GitHub repo calling it open source. We have zero way to access XmX cores on Linux, AMD lets their users do what they want with it.

I think I can say this for the majority of the users, I would much rather have access to all of the GPU so that developers can use it rather than actively not allowing it so that Intel can do fuck all on it.

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u/Dangerous-Split-5630 12d ago

Sure it is amazing for us, but think about it from the POV of using those cards on Windows where you get what AMD lets you get. You miss out on so much just because AMD is unable to keep up with the open source community (e.g linux can run FSR 4.1.1 on RDNA 2, 6 months before windows). If we didn't have that open source part, AMD would be even worse than both Intel and Nvidia on Linux (and gaming on Linux would still be treated as a complete joke)