GELUBackward {#dev_guide_op_gelubackward}
=========================================

## General

GELUBackward operation computes gradient for GELU.

## Operation attributes

GELUBackward operation does not support any attribute.

## Execution arguments

The inputs and outputs must be provided according to below index order 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

GELUBackward operation supports the following data type combinations.

Src | Diff_dst | Diff_src
-- | -- | --
f32 | f32 | f32
f16 | f16 | f16
bf16 | bf16 | bf16