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Description: Computes the backward pass of . FastGeluBackward is defined as follows:

$$dx = dy * ((\frac{1}{e^{-1.702 x}+1} - 1) * -1.702x + 1) * \frac{1}{(e^{-1.702 x}+1)}$$ [object Object]

Each operator has calls. First, aclnnFastGeluBackwardGetWorkspaceSize is called to obtain the workspace size required for computation and the executor that contains the operator computation flow. Then, aclnnFastGeluBackward is called to perform computation.

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• Parameters

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• Returns

  [object Object]: status code. For details, see .

  The first-phase API implements input parameter verification. The following errors may be thrown.

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• Parameters

  [object Object]

• Returns

  [object Object]: status code. For details, see .

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• Deterministic computation:
  • aclnnFastGeluBackward defaults to a deterministic implementation.

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The following example is for reference only. For details, see .