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WPT

wpt / webnn / validation_tests / lstm.https.any.html?gpu

Spec: Web Neural Network API ↗

Runs: Chrome 155.0.8039.0 (wpt@d0c38285b, 2026-09-03) | Firefox 157.0a1 (wpt@ed1909ed6, 2026-09-03) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-56c61 (wpt@cc4d45aa0, 2026-09-03) | Servo Servo 0.6 (wpt@09159dcb3, 2026-09-02) | Blitz 188486089 (wpt@a95401e4e, 2026-09-02)

View on the Blitz WPT dashboard | Open test on wpt.live | wpt.fyi

ChromeFirefoxSafariLadybirdServoBlitz
Total26/260/260/260/260/26NOT RUN
SubtestChromeFirefoxSafariLadybirdServoBlitz
assert_not_equals(navigator.ml, undefined, "ml property is defined on navigator")PASSFAILFAILFAILFAIL—
[lstm] Test with default optionsPASSFAILFAILFAILFAIL—
[lstm] Test with given optionsPASSFAILFAILFAILFAIL—
[lstm] TypeError is expected if hiddenSize equals to zeroPASSFAILFAILFAILFAIL—
[lstm] TypeError is expected if hiddenSize is too largePASSFAILFAILFAILFAIL—
[lstm] TypeError is expected if steps equals to zeroPASSFAILFAILFAILFAIL—
[lstm] TypeError is expected if the data type is not one of the floating point typesPASSFAILFAILFAILFAIL—
[lstm] TypeError is expected if the rank of input is not 3PASSFAILFAILFAILFAIL—
[lstm] TypeError is expected if input.shape[0] is not equal to stepsPASSFAILFAILFAILFAIL—
[lstm] TypeError is expected if the shape of weight is incorrectPASSFAILFAILFAILFAIL—
[lstm] TypeError is expected if the rank of recurrentWeight is not 3PASSFAILFAILFAILFAIL—
[lstm] TypeError is expected if the size of options.activations is not 3PASSFAILFAILFAILFAIL—
[lstm] TypeError is expected if the rank of options.bias is not 2PASSFAILFAILFAILFAIL—
[lstm] TypeError is expected if the shape of options.recurrentBias.shape is incorrectPASSFAILFAILFAILFAIL—
[lstm] TypeError is expected if the dataType of options.peepholeWeight is incorrectPASSFAILFAILFAILFAIL—
[lstm] TypeError is expected if the dataType of options.initialHiddenState is incorrectPASSFAILFAILFAILFAIL—
[lstm] TypeError is expected if the shape of options.initialCellState is incorrectPASSFAILFAILFAILFAIL—
[lstm] TypeError is expected if the full-sequence output tensor is too largePASSFAILFAILFAILFAIL—
[lstm] throw if input is from another builderPASSFAILFAILFAILFAIL—
[lstm] throw if weight is from another builderPASSFAILFAILFAILFAIL—
[lstm] throw if recurrentWeight is from another builderPASSFAILFAILFAILFAIL—
[lstm] throw if bias option is from another builderPASSFAILFAILFAILFAIL—
[lstm] throw if recurrentBias option is from another builderPASSFAILFAILFAILFAIL—
[lstm] throw if peepholeWeight option is from another builderPASSFAILFAILFAILFAIL—
[lstm] throw if initialHiddenState option is from another builderPASSFAILFAILFAILFAIL—
[lstm] throw if initialCellState option is from another builderPASSFAILFAILFAILFAIL—