[Webkit-unassigned] [Bug 266793] WebLLM Compatibility

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=266793

--- Comment #2 from Mike Wyrzykowski <mwyrzykowski at apple.com> ---
Thank you for reporting this issue. We are aware of the incompatibility but still trying to narrow down the root cause.

We have been tracking this internally with <rdar://problem/108093665>

If you become aware of any specific reasons as to why this does not work in WebKit, e.g., built-in WGSL functions returning incorrect results or synchronization issues from WebGPU calls from the JavaScript layer, any and all insight would be appreciated.

Our expectation is that as we work towards 100% pass rate of the WebGPU conformance test suite (https://github.com/gpuweb/cts), we will see https://webllm.mlc.ai/ work as expected.

We still have quite a bit of work remaining until the WebGPU CTS is passing in WebKit. If we have 100% pass rate on the conformance test suite and still failing to generate the same results as Chrome on https://webllm.mlc.ai/ we will need to take a closer look to see where the incompatibility lies.

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