SoftmaxBackward

SoftmaxBackward operation computes gradient for Softmax.

Operation Attributes

Attribute Name	Description	Value Type	Supported Values	Required or Optional
axis	Represents the axis of which the Softmax is calculated.	s64	Arbitrary s64 value (1 in default)	Optional

Execution Arguments

The inputs and outputs must be provided according to the below index order when constructing an operation.

Inputs

Index	Argument Name	Required or Optional
0	diff_dst	Required
1	src	Required

Outputs

Index	Argument Name	Required or Optional
0	diff_src	Required

Supported Data Types

SoftmaxBackward operation supports the following data type combinations.

Src	Diff_dst	Diff_src
f32	f32	f32
bf16	bf16	bf16
f16	f16	f16