Feature Scope

**Table 1** Parameter data types
src Data Type	Weight Data Type	dst Data Type	Bias Data Type
f32	f32	f32	f32
f16	f16	f16	f16
bf16	bf16	bf16	bf16
f16	f16	f32	f32/f16
bf16	bf16	f32	bf16/f32

**Table 2** Mapping between each tensor dimension and parameter data layout
Tensor Dimension	src Data Layout	Weight Data Layout	dst Data Layout
2D	dnnl_ab/dnnl_ba	dnnl_ab/dnnl_ba	dnnl_ab/dnnl_ba
3D	dnnl_abc/dnnl_acb	dnnl_abc/dnnl_acb	dnnl_abc/dnnl_acb
4D	dnnl_abcd/dnnl_abdc	dnnl_abcd/dnnl_abdc	dnnl_abcd/dnnl_abdc
5D	dnnl_abcde/dnnl_abced	dnnl_abcde/dnnl_abced	dnnl_abcde/dnnl_abced

Parent topic: Matmul