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Feature Scope

Propagation Directions

Propagation Direction

Specific Category

Forward

dnnl_forward_training

dnnl_forward_inference

Backward

dnnl_backward_data

Data Types

Table 1 Parameter data types

Input Data (src) Type

Output Data (dst) Type

f32

f32

f16

f16

bf16

bf16

Dimensions and Data Layout

Table 2 Mapping between each tensor dimension and parameter data layout

Tensor Dimension

Input Tensor (src) Data Layout

Output Tensor (dst) Data Layout

1D

dnnl_a

dnnl_a

2D

dnnl_ab

dnnl_ab

3D

dnnl_abc

dnnl_abc

4D

dnnl_abcd

dnnl_abcd

5D

dnnl_abcde

dnnl_abcde