[llvm-dev] Should we have a "GPU working group"?

[Chesterfield, Jonathan via llvm-dev]

[AMD Official Use Only]

Sounds good to me. Ideally get some cuda / opencl / hip people involved.

Jon
________________________________
From: Lei Zhang <antiagainst at google.com>
Sent: 11 November 2021 15:44
To: Valentin Churavy <v.churavy at gmail.com>
Cc: Johannes Doerfert <johannesdoerfert at gmail.com>; Lieberman, Ron <Ron.Lieberman at amd.com>; justin.lebar at gmail.com <justin.lebar at gmail.com>; Chesterfield, Jonathan <Jonathan.Chesterfield at amd.com>; llvm-dev at lists.llvm.org <llvm-dev at lists.llvm.org>; tianshilei1992 at gmail.com <tianshilei1992 at gmail.com>; Rodgers, Gregory <Gregory.Rodgers at amd.com>; Huber, Joseph <huberjn at ornl.gov>; Narayanaswamy, Ravi <ravi.narayanaswamy at intel.com>
Subject: Re: [llvm-dev] Should we have a "GPU working group"?

[CAUTION: External Email]
+1. There are certainly efforts that need broad collaboration among various interest parties; they would benefit from more interactive discussions to have everybody on the same page. What immediately jumps into my mind include how we can push to have unified/better SPIR-V support in LLVM proper / cross LLVM/MLIR, etc. It's a big one that I'd assume will take a long time to unfold and will have back and forth. Having a place to discuss will actually make sure we put efforts towards it (or at least have plans and revisit periodically). There are certainly many other topics to discuss too, as said by Johannes. I think this is a great idea.

Thanks,
Lei


On Wed, Nov 10, 2021 at 4:03 PM Valentin Churavy via llvm-dev <llvm-dev at lists.llvm.org<mailto:llvm-dev at lists.llvm.org>> wrote:
I would certainly be interested in joining such an effort.

-V

On Wed, Nov 10, 2021 at 3:56 PM Johannes Doerfert via llvm-dev <llvm-dev at lists.llvm.org<mailto:llvm-dev at lists.llvm.org>> wrote:
Hey,

We nowadays have various "working groups" that meet regularly to discuss
technical topics (incl. RISC-V, MLIR, OpenMP, Alias Analysis, ML, Flang,
...).
It's a reasonably nice way for people to connect and present ideas, get
feedback, etc. in an interactive environment.
While the OpenMP meeting has a strong emphasis on offloading, we do not
meet to discuss "generic GPU" topics as a community.

This email is to determine if people would be interested in meeting once
every N weeks (initially we could say 2) to coordinate efforts in this
space, e.g., development of GPU-specific optimizations, organization of
driver and backend code, dealing with issues like convergent functions, ...

I CC'ed a bunch of people that might want to join such a meeting but
certainly this is something everyone would be invited to and I hope
people forward this to parties that might not read llvm-dev.

Looking forward to hear what people think :)

~ Johannes




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∽ Johannes (he/his)

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