[Device] Catch WebGPU OOM error #402
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Example of trying to allocate a KV cache with 900k context length (should be similar for trying to load a model that is too large): |
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Marked as a draft for now as it depends on apache/tvm#17005 |
CharlieFRuan
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May 21, 2024
### Changes Main changes include: - New model `Hermes-2-Pro-Mistral-7B` in `prebuiltAppConfig` via: - #390 - Various `index.js` and `index.js.map` post-processings to resolve frontend compatibility issues with `require()` and `perf_hoooks` - #397 - #406 - Catch WebGPU OOM error upon `reload()` and `CreateEngine()`: - #402 - Service Worker support (in addition to Extension Service Worker): - #395 - #400 - #401 ### WASM Version v0_2_34 as no change is required. ### TVMjs TVMjs compiled at apache/tvm@a5862a5, with only one change in `tvm/web`: apache/tvm#17005
This was referenced May 21, 2024
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Prior to this PR, when users
createEngine()or callreload()with a model that is too large for the device, likely the device would keep generating, ignoring OOM issue and correctness. See #356 and #209.This PR catches such error with
device.lost.then(), depending on tvmjs to calldevice.destroy()upon detecting error increateBuffer()via apache/tvm#17005.We have only observed
createBuffer()errors and hence will only process such kind of errors for now. Besides, since most OOM errors occur inreload(), we make the error handling synchronous despite using.then()by throwing the error at the end ofreload()if there is one.