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Description: Performs backpropagation of . RoiAlign is a pooling layer used to input a feature map with a non-uniform size and output a fixed-size feature map.

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Each operator has calls. First, aclnnRoiAlignV2BackwardGetWorkspaceSize is called to obtain the workspace size required for computation and the executor that contains the operator computation process. Then, aclnnRoiAlignV2Backward 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 validation. The following error codes may be returned.

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• Parameters

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• Returns:

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

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• Deterministic computation:
  • aclnnRoiAlignV2Backward defaults to a non-deterministic implementation. You can call aclrtCtxSetSysParamOpt to enable deterministic computing.

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