Enable WebNN GPU backend #181
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@huningxin, @BruceDai, PTAL, thanks! cc/ @mingmingtasd |
| @@ -310,7 +310,7 @@ async function main() { | |||
| // UI shows model loading progress | |||
| await ui.showProgressComponent('current', 'pending', 'pending'); | |||
| console.log('- Loading weights... '); | |||
| const contextOptions = {deviceType}; | |||
| const contextOptions = {'devicePreference': deviceType}; | |||
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Yes, since there's a Chromium issue - Cannot test Web Neural Network API (WebNN) by specified device type , here should use devicePreference option which is align with MLContextOptions of Model Loader API Spec to test GPU device.
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@Honry , thanks for the PR! May I know what is the UX if user click "WebNN GPU" but browser doesn't support that? |
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Only "Not implemented" error, which is the error message of graph build fail threw by Chromium. This could be improved. :) 
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That's fine at the current stage. Please a Chromium implementation (CL-4814277) is moving the backend creation during context creation. It would allow the sample to detect the unsupported error before downloading the model. |
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LGTM, thanks @Honry ! |
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Thanks all, merging. |
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