mindspore_lite.Format

class mindspore_lite.Format[source]

The Format class defines the format of the Tensor in MindSpore Lite.

Currently, the following ‘Format’ are supported:

Definition	Description
Format.DEFAULT	default format.
Format.NCHW	Store tensor data in the order of batch N, channel C, height H and width W.
Format.NHWC	Store tensor data in the order of batch N, height H, width W and channel C.
Format.NHWC4	C-axis 4-byte aligned Format.NHWC .
Format.HWKC	Store tensor data in the order of height H, width W, kernel num K and channel C.
Format.HWCK	Store tensor data in the order of height H, width W, channel C and kernel num K.
Format.KCHW	Store tensor data in the order of kernel num K, channel C, height H and width W.
Format.CKHW	Store tensor data in the order of channel C, kernel num K, height H and width W.
Format.KHWC	Store tensor data in the order of kernel num K, height H, width W and channel C.
Format.CHWK	Store tensor data in the order of channel C, height H, width W and kernel num K.
Format.HW	Store tensor data in the order of height H and width W.
Format.HW4	w-axis 4-byte aligned Format.HW .
Format.NC	Store tensor data in the order of batch N and channel C.
Format.NC4	C-axis 4-byte aligned Format.NC .
Format.NC4HW4	C-axis 4-byte aligned and W-axis 4-byte aligned Format.NCHW .
Format.NCDHW	Store tensor data in the order of batch N, channel C, depth D, height H and width W.
Format.NWC	Store tensor data in the order of batch N, width W and channel C.
Format.NCW	Store tensor data in the order of batch N, channel C and width W.
Format.NDHWC	Store tensor data in the order of batch N, depth D, height H, width W and channel C.
Format.NC8HW8	C-axis 8-byte aligned and W-axis 8-byte aligned Format.NCHW .

Examples

>>> # Method 1: Import mindspore_lite package
>>> import mindspore_lite as mslite
>>> print(mslite.Format.NHWC)
Format.NHWC
>>> # Method 2: from mindspore_lite package import Format
>>> from mindspore_lite import Format
>>> print(Format.NHWC)
Format.NHWC