format.h

Overview

Declares tensor data formats.

File to include: <mindspore/format.h>

Library: libmindspore_lite_ndk.so

System capability: SystemCapability.Ai.MindSpore

Since: 9

Related module: MindSpore

Summary

Enums

Name	typedef Keyword	Description
OH_AI_Format	OH_AI_Format	Data formats supported by MSTensor.

Enum Description

OH_AI_Format

enum OH_AI_Format

Description

Declares data formats supported by MSTensor.

Since: 9

Enum Item	Description
OH_AI_FORMAT_NCHW = 0	Tensor data is stored in the sequence of batch number N, channel C, height H, and width W.
OH_AI_FORMAT_NHWC = 1	Tensor data is stored in the sequence of batch number N, height H, width W, and channel C.
OH_AI_FORMAT_NHWC4 = 2	Tensor data is stored in the sequence of batch number N, height H, width W, and channel C. The C axis is 4-byte aligned.
OH_AI_FORMAT_HWKC = 3	Tensor data is stored in the sequence of height H, width W, core count K, and channel C.
OH_AI_FORMAT_HWCK = 4	Tensor data is stored in the sequence of height H, width W, channel C, and core count K.
OH_AI_FORMAT_KCHW = 5	Tensor data is stored in the sequence of core count K, channel C, height H, and width W.
OH_AI_FORMAT_CKHW = 6	Tensor data is stored in the sequence of channel C, core count K, height H, and width W.
OH_AI_FORMAT_KHWC = 7	Tensor data is stored in the sequence of core count K, height H, width W, and channel C.
OH_AI_FORMAT_CHWK = 8	Tensor data is stored in the sequence of channel C, height H, width W, and core count K.
OH_AI_FORMAT_HW = 9	Tensor data is stored in the sequence of height H and width W.
OH_AI_FORMAT_HW4 = 10	Tensor data is stored in the sequence of height H and width W. The W axis is 4-byte aligned.
OH_AI_FORMAT_NC = 11	Tensor data is stored in the sequence of batch number N and channel C.
OH_AI_FORMAT_NC4 = 12	Tensor data is stored in the sequence of batch number N and channel C. The C axis is 4-byte aligned.
OH_AI_FORMAT_NC4HW4 = 13	Tensor data is stored in the sequence of batch number N, channel C, height H, and width W. The C axis and W axis are 4-byte aligned.
OH_AI_FORMAT_NCDHW = 15	Tensor data is stored in the sequence of batch number N, channel C, depth D, height H, and width W.
OH_AI_FORMAT_NWC = 16	Tensor data is stored in the sequence of batch number N, width W, and channel C.
OH_AI_FORMAT_NCW = 17	Tensor data is stored in the sequence of batch number N, channel C, and width W.