[WebNN EP] Validate MLContext creation early to allow fallback to other EP #20735
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sansmoraxz
reviewed
May 20, 2024
Comment on lines
+122
to
+124
| if (backendNames.filter(name => name === 'webnn').length > 1) { | ||
| throw new Error(`Registering duplicate 'webnn' backends in the session options is not permitted`); | ||
| } |
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Will this disable trying do this?
executionProviders: [
{
name: "webnn",
deviceType: "gpu",
},
{
name: "webnn",
deviceType: "cpu",
},
...
]There was a problem hiding this comment.
Creating multiple WebNN or WebGPU eps in a single session is not allowed, @fs-eire, right?
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I don't know if that is possible or not technically. But in practice, I think there is no use case of multiple instances of the same EP being used in one session.
guschmue
added
ep:WebGPU
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Try to fix issue #20729