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• Description: Performs backpropagation of the MaxPool3d inverse operation (), writing element values of gradOutput in out based on indices.
• Formula:

  • When the input is four-dimensional, the dimensions are (N, D, H, W):

    $$out[N][i] = gradOutput[N][indices[N][i]]$$

  • When the input is five-dimensional, the dimensions are (N, C, D, H, W):

    $$out[N][C][i] = gradOutput[N][C][indices[N][C][i]]$$

    out, gradOutput, and indices are obtained by reshaping the last two axes into one axis, and i ∈ [0, DH W) is used.

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Each operator has calls. First, aclnnMaxUnpool3dBackwardGetWorkspaceSize is called to obtain the workspace size required for computation and the executor that contains the operator computation process. Then, aclnnMaxUnpool3dBackward 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

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• Returns

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

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• Deterministic compute:
  • aclnnMaxUnpool3dBackward defaults to a deterministic implementation.

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