Quick question about Tint IR

[Vin Howe]

Hi all,

I'm writing a blog post where WebGPU features heavily, and I couldn't find the answer to this question quickly.

If you're up for it (or if you can point me to where it's documented): does the IR span multiple compute pipelines in the same compute pass? That is, is the team hoping to eventually be able to do things like graph optimizations across shaders before handing things off to the driver?

Thanks!

Vin Howe

[David Neto]

That's outside the scope of what Tint IR is meant to address.

Graph-level optimizations belong in middleware above WebGPU. So, for example, in ONNX, TVM, IREE or whatever.

IREE in particular works via dialects of MLIR, which is built for that broader-scope problem.

cheers,

david

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[Vin Howe]

Perfect. Thanks for the clarity, David.

Vin