SigmoidBackward#

SigmoidBackward operation computes gradient for Sigmoid.

Operation Attributes#

Attribute

Name

Description

Value Type

Supported

Values

Required or

Optional

use_dst

If true, use dst of Sigmoid operation to calculate the gradient. Otherwise, use src.

bool

true (default), false

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

src / dst

Required

1

diff_dst

Required

Outputs#

Index

Argument Name

Required or Optional

0

diff_src

Required

Supported Data Types#

SigmoidBackward operation supports the following data type combinations.

Src

Diff_dst

Diff_src

f32

f32

f32

f16

f16

f16

bf16

bf16

bf16