TypeCast operation performs element-wise cast from input data type to the data type given by output tensor. It requires that \src and \dst have the same shape and layout. Rounding to nearest even will be used during cast.
TypeCast operation does not support any attribute.
The inputs and outputs must be provided according to below index order when constructing an operation.
| Index | Argument Name | Required or Optional |
|---|---|---|
| 0 | src |
Required |
| Index | Argument Name | Required or Optional |
|---|---|---|
| 0 | dst |
Required |
TypeCast operation supports the following data type combinations.
| Src | Dst |
|---|---|
| bf16, f16 | f32 |
| f32 | bf16, f16 |
@note This operation is to support [mixed precision](@ref dev_guide_graph_mixed_precision_model) computation.