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Any ETA for Fine grained SVM on Skylake? #34

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oscarbg opened this issue Apr 12, 2018 · 11 comments

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@oscarbg
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commented Apr 12, 2018

Hi,
thanks first for providing precompiled binaries on a weekly basis!
I see you keep adding "Fine grained SVM is not supported in this release" in all releases..
it's coming soon? Any ETA to share?

thanks..

@MichalMrozek

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commented Apr 12, 2018

This support is dependent on the Kernel patch.
We have infrastructure in Neo ready to turn it ON, we just need properly patched Kernel.

See https://patchwork.kernel.org/patch/10292273/ for Kernel patch and our pull request for Neo support #29

@oscarbg

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commented Apr 12, 2018

@oscarbg

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commented Apr 12, 2018

Forgot to add that hope Neo patch gets merged so I can test with patched kernel and weekly Neo builds.. as building Neo requires over 10GB free space and even more time than kernel compile..
How much delay between a commit is merged and appearing on a weekly build?

@MichalMrozek

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commented Apr 16, 2018

We are currently doing weekly releases.
In worst case scenario you may expect up to 2 weeks delay between commit merge and release ( commit is merged right after a release candidate is selected )
Normally delay time will be much shorter, i.e. last release is basing on the commit that was merged 3 days ago (2ebd20d)

@oscarbg

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commented Apr 18, 2018

thanks for info..

@oscarbg

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commented Apr 19, 2018

Hi @MichalMrozek,
I was pointed out that:
"good news on SPV_intel_subgroups - support for this extension was added to our graphics compiler : intel/intel-graphics-compiler@dbb9f9f"
seems is in master ( intel/intel-graphics-compiler) for a couple of weeks already..
sadly latest prebuilt binaries (2018ww15-010713) still using intel/intel-graphics-compiler@cf24afc which is older than needed for testing..
can update intel-graphics-compiler@dbb9f9f or newer ASAP in following weeks prebuilt binaries so can test soon without having to build Neo driver myself?
thanks..

@MichalMrozek

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commented Apr 23, 2018

This Intel Graphics Compiler commit will be a part of our next next release, it should be available in this week.

@oscarbg

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commented Apr 23, 2018

Great work guys! Thanks..
Will test it soon.. also will keep an eye on Windows driver hope it gets support also within a month or two..

@MichalMrozek

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commented Apr 25, 2018

@AdamCetnerowski

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commented May 21, 2018

To address your original question:

We are working on getting the coherency control patch into the upstream kernel. We don't have a specific date for that to happen. Once it does, we will add the required code to NEO without delay.

Let us know, if you prefer to keep this issue open. Otherwise we'll close it.

@oscarbg

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commented May 23, 2018

Hi,
nice to know..
I close it..
thanks..

@oscarbg oscarbg closed this May 23, 2018

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