[ExecuTorch][WebGPU] Migrate 9 ops to make_compute_pipeline (layout:"auto") by JCNTH · Pull Request #20868 · pytorch/executorch

JCNTH · 2026-07-10T18:26:27Z

Stack from ghstack (oldest at bottom):

Route add, mul, index, permute, select, slice, update_cache, rms_norm, and embedding_q4gsw through the shared utils::make_compute_pipeline helper (which uses layout:"auto"), replacing each op's hand-written WGPUBindGroupLayoutEntry[] + pipeline-layout + bind-group boilerplate (~50-110 lines each) with a single helper call. The driver now derives the bind-group layout from the shader's statically-used bindings. Byte-behavior is preserved: identical binding indices/types/buffers/sizes, dispatch workgroup counts, resize hooks, and validations; override constants (wg_size) passed via the helper's constants param. Extends the Diff 1 layout:"auto" adoption to the trivial single-dispatch ops.
@exported-using-ghexport

Differential Revision: D110836665

[ghstack-poisoned]

pytorch-bot · 2026-07-10T18:26:31Z

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[ExecuTorch][WebGPU] Migrate 9 ops to make_compute_pipeline (layout:"auto")#20868

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