cutlass::layout::TensorNHWC Class Reference

Mapping function for 4-D NHWC tensors.

`#include <tensor.h>`

## Public Types

using | Index = int32_t
| Index type used for coordinates. More...
using | LongIndex = int64_t
| Long index type used for offsets. More...
using | TensorCoord = Tensor4DCoord
| Logical coordinate (n, h, w, c) More...
using | Stride = Coord< kStrideRank >
| Stride vector. More...

## Public Member Functions

CUTLASS_HOST_DEVICE | TensorNHWC (Stride const &stride=Stride(0))
| Constructor. More...
CUTLASS_HOST_DEVICE | TensorNHWC (typename Stride::Index c, typename Stride::Index wc, typename Stride::Index hwc)
| Constructor. More...
CUTLASS_HOST_DEVICE LongIndex | operator() (TensorCoord const &coord) const
| Returns the offset of a coordinate (n, h, w, c) in linear memory. More...
CUTLASS_HOST_DEVICE | operator RowMajor ()
| Returns a RowMajor equivalent for a TensorNHWC layout. More...
CUTLASS_HOST_DEVICE TensorCoord | inverse (LongIndex index) const
| Returns the logical coordinate (n, h, w, c) from a given offset in linear memory. More...
CUTLASS_HOST_DEVICE Stride | stride () const
| Returns the stride of the layout. More...
CUTLASS_HOST_DEVICE Stride & | stride ()
| Returns the stride of the layout. More...
CUTLASS_HOST_DEVICE LongIndex | capacity (TensorCoord const &extent) const
| Compute the number of contiguous elements needed to store a tensor with the given size. More...

## Static Public Member Functions

static CUTLASS_HOST_DEVICE TensorNHWC | packed (TensorCoord const &extent)
| Helper returns a layout to a tightly packed NHWC tensor. More...

## Static Public Attributes

static int const | kRank = 4
| Logical rank of tensor. More...
static int const | kStrideRank = 3
| Rank of stride vector. More...

## Member Typedef Documentation

using cutlass::layout::TensorNHWC::Index = int32_t

using cutlass::layout::TensorNHWC::LongIndex = int64_t

using cutlass::layout::TensorNHWC::Stride = Coord<kStrideRank>

using cutlass::layout::TensorNHWC::TensorCoord = Tensor4DCoord

## Constructor & Destructor Documentation

CUTLASS_HOST_DEVICE cutlass::layout::TensorNHWC::TensorNHWC | ( | Stride const & | stride = `Stride(0)` | ) |

inline

CUTLASS_HOST_DEVICE cutlass::layout::TensorNHWC::TensorNHWC | ( | typename Stride::Index | c,
|  | typename Stride::Index | wc,
|  | typename Stride::Index | hwc
| ) |  |

inline

## Member Function Documentation

CUTLASS_HOST_DEVICE LongIndex cutlass::layout::TensorNHWC::capacity | ( | TensorCoord const & | extent | ) | const

inline

CUTLASS_HOST_DEVICE TensorCoord cutlass::layout::TensorNHWC::inverse | ( | LongIndex | index | ) | const

inline

CUTLASS_HOST_DEVICE cutlass::layout::TensorNHWC::operator RowMajor | ( |  | ) |

inlineexplicit

CUTLASS_HOST_DEVICE LongIndex cutlass::layout::TensorNHWC::operator() | ( | TensorCoord const & | coord | ) | const

inline

static CUTLASS_HOST_DEVICE TensorNHWC cutlass::layout::TensorNHWC::packed | ( | TensorCoord const & | extent | ) |

inlinestatic

CUTLASS_HOST_DEVICE Stride cutlass::layout::TensorNHWC::stride | ( |  | ) | const

inline

CUTLASS_HOST_DEVICE Stride& cutlass::layout::TensorNHWC::stride | ( |  | ) |

inline

## Member Data Documentation

int const cutlass::layout::TensorNHWC::kRank = 4

static

int const cutlass::layout::TensorNHWC::kStrideRank = 3

static

The documentation for this class was generated from the following file:

- tensor.h