Intel® oneAPI Deep Neural Network Developer Guide and Reference
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HardSigmoidBackward
General
HardSigmoidBackward operation computes gradient for HardSigmoid. The formula is defined as follows:

Operation attributes
Execution arguments
The inputs and outputs must be provided according to the index order shown below when constructing an operation.
Inputs
Index |
Argument Name |
Required or Optional |
---|---|---|
0 |
src |
Required |
1 |
diff_dst |
Required |
Outputs
Index |
Argument Name |
Required or Optional |
---|---|---|
0 |
diff_src |
Required |
Supported data types
HardSigmoidBackward operation supports the following data type combinations.
Src |
Diff_dst |
Diff_src |
---|---|---|
f32 |
f32 |
f32 |
f16 |
f16 |
f16 |
bf16 |
bf16 |
bf16 |