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cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ > Class Template Reference

#include <mma_tensor_op_tile_iterator_sm70.h>

Classes

struct  Policy
 Internal structure of iterator - made public to enable introspection. More...
 

Public Types

using Shape = Shape_
 Shape of tile to load (concept: MatrixShape) More...
 
using Element = Element_
 Element type. More...
 
using Layout = Layout_
 Layout of source tile. More...
 
using InstructionShape = InstructionShape_
 Shape of one matrix product operation (concept: MatrixShape) More...
 
using OpDelta = OpDelta_
 Delta between *MMA operations (in units of *MMA operations, concept: MatrixShape) More...
 
using TensorRef = TensorRef< Element, Layout >
 TensorRef type for loading element from a tensor. More...
 
using Index = typename TensorRef::Index
 Index type. More...
 
using LongIndex = typename TensorRef::LongIndex
 Long Index type. More...
 
using TensorCoord = typename TensorRef::TensorCoord
 Coordinate for an element in the tensor. More...
 
using Fragment = Array< Element, Shape::kCount/kThreads >
 Fragment object holding a thread's part of a tile. More...
 

Public Member Functions

CUTLASS_HOST_DEVICE MmaVoltaTensorOpAccumulatorTileIterator ()
 Default ctor constructs null iterator. More...
 
CUTLASS_HOST_DEVICE MmaVoltaTensorOpAccumulatorTileIterator (TensorRef const &ref, int lane_id)
 Constructor from TensorRef. More...
 
CUTLASS_HOST_DEVICE MmaVoltaTensorOpAccumulatorTileIteratoradd_pointer_offset (LongIndex offset)
 Adds a pointer offset to internal pointer(s) to advance through memory. More...
 
CUTLASS_HOST_DEVICE MmaVoltaTensorOpAccumulatorTileIteratoradd_tile_offset (TensorCoord const &tile_offset)
 Advances an iterator along logical dimensions of matrix in units of whole tiles. More...
 
CUTLASS_HOST_DEVICE MmaVoltaTensorOpAccumulatorTileIteratoroperator++ ()
 Advances the iterator along the advance dimension. More...
 
CUTLASS_HOST_DEVICE MmaVoltaTensorOpAccumulatorTileIteratoroperator-- ()
 Advances the iterator along the advance dimension. More...
 
CUTLASS_DEVICE MmaVoltaTensorOpAccumulatorTileIteratoroperator+= (TensorCoord const &tile_offset)
 advances in units of whole tiles along the logical coordinate space of the tensor More...
 
CUTLASS_DEVICE MmaVoltaTensorOpAccumulatorTileIteratoroperator-= (TensorCoord const &tile_offset)
 
CUTLASS_HOST_DEVICE void load (Fragment &frag) const
 Loads a fragment from memory at the location pointed to by the iterator. More...
 
CUTLASS_HOST_DEVICE void load_with_pointer_offset (Fragment &frag, Index pointer_offset) const
 Loads a fragment from memory with additional logical offset. More...
 
CUTLASS_DEVICE void load_with_byte_offset (Fragment &frag, Index byte_offset) const
 Loads a fragment from memory with additional logical offset. More...
 
CUTLASS_HOST_DEVICE void load (Fragment &frag, TensorCoord const &tile_offset) const
 Loads a fragment from memory with logical offset in units of whole tiles. More...
 
CUTLASS_HOST_DEVICE void load (Fragment &frag, TensorCoord const &tile_offset, Index pointer_offset) const
 Loads a fragment from memory with logical offset in units of whole tiles. More...
 
CUTLASS_HOST_DEVICE void store (Fragment const &frag) const
 Stores a fragment to memory. More...
 
CUTLASS_HOST_DEVICE void store_with_pointer_offset (Fragment const &frag, Index pointer_offset) const
 Stores a fragment to memory with additional pointer offset. More...
 
CUTLASS_HOST_DEVICE void store_with_byte_offset (Fragment const &frag, Index byte_offset) const
 Stores a fragment to memory with additional pointer offset. More...
 
CUTLASS_HOST_DEVICE void store (Fragment &frag, TensorCoord const &tile_offset) const
 Stores a fragment to memory with logical offset in units of whole tiles. More...
 
CUTLASS_HOST_DEVICE void store (Fragment const &frag, TensorCoord const &tile_offset, Index pointer_offset) const
 Stores a fragment from memory with logical offset in units of whole tiles. More...
 

Static Public Attributes

static Operand const kOperand = Operand::kC
 Operand tag. More...
 
static int const kThreads = 32
 Number of participating threads. More...
 

Detailed Description

template<typename Shape_, typename Element_, typename Layout_, typename InstructionShape_, typename OpDelta_>
class cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >

This tile iterator is specialized for 32-thread TensorOps. It is used to load or store accumulators from memory and is agnostic to layout. It could be faster if it assumed row-major accumulator layout.

Satisfies: ReadableRandomAccessContiguousTileIteratorConcept | WriteableRandomAccessContiguousTileIteratorConcept

Member Typedef Documentation

template<typename Shape_ , typename Element_ , typename Layout_ , typename InstructionShape_ , typename OpDelta_ >
using cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >::Element = Element_
template<typename Shape_ , typename Element_ , typename Layout_ , typename InstructionShape_ , typename OpDelta_ >
using cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >::Fragment = Array<Element, Shape::kCount / kThreads>
template<typename Shape_ , typename Element_ , typename Layout_ , typename InstructionShape_ , typename OpDelta_ >
using cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >::Index = typename TensorRef::Index
template<typename Shape_ , typename Element_ , typename Layout_ , typename InstructionShape_ , typename OpDelta_ >
using cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >::InstructionShape = InstructionShape_
template<typename Shape_ , typename Element_ , typename Layout_ , typename InstructionShape_ , typename OpDelta_ >
using cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >::Layout = Layout_
template<typename Shape_ , typename Element_ , typename Layout_ , typename InstructionShape_ , typename OpDelta_ >
using cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >::LongIndex = typename TensorRef::LongIndex
template<typename Shape_ , typename Element_ , typename Layout_ , typename InstructionShape_ , typename OpDelta_ >
using cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >::OpDelta = OpDelta_
template<typename Shape_ , typename Element_ , typename Layout_ , typename InstructionShape_ , typename OpDelta_ >
using cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >::Shape = Shape_
template<typename Shape_ , typename Element_ , typename Layout_ , typename InstructionShape_ , typename OpDelta_ >
using cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >::TensorCoord = typename TensorRef::TensorCoord
template<typename Shape_ , typename Element_ , typename Layout_ , typename InstructionShape_ , typename OpDelta_ >
using cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >::TensorRef = TensorRef<Element, Layout>

Constructor & Destructor Documentation

template<typename Shape_ , typename Element_ , typename Layout_ , typename InstructionShape_ , typename OpDelta_ >
CUTLASS_HOST_DEVICE cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >::MmaVoltaTensorOpAccumulatorTileIterator ( )
inline
template<typename Shape_ , typename Element_ , typename Layout_ , typename InstructionShape_ , typename OpDelta_ >
CUTLASS_HOST_DEVICE cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >::MmaVoltaTensorOpAccumulatorTileIterator ( TensorRef const &  ref,
int  lane_id 
)
inline

Member Function Documentation

template<typename Shape_ , typename Element_ , typename Layout_ , typename InstructionShape_ , typename OpDelta_ >
CUTLASS_HOST_DEVICE MmaVoltaTensorOpAccumulatorTileIterator& cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >::add_pointer_offset ( LongIndex  offset)
inline
template<typename Shape_ , typename Element_ , typename Layout_ , typename InstructionShape_ , typename OpDelta_ >
CUTLASS_HOST_DEVICE MmaVoltaTensorOpAccumulatorTileIterator& cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >::add_tile_offset ( TensorCoord const &  tile_offset)
inline
template<typename Shape_ , typename Element_ , typename Layout_ , typename InstructionShape_ , typename OpDelta_ >
CUTLASS_HOST_DEVICE void cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >::load ( Fragment frag) const
inline
template<typename Shape_ , typename Element_ , typename Layout_ , typename InstructionShape_ , typename OpDelta_ >
CUTLASS_HOST_DEVICE void cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >::load ( Fragment frag,
TensorCoord const &  tile_offset 
) const
inline

< loads a tile with a logical offset in units of whole tiles

Parameters
fragfragment to load from the tensor
template<typename Shape_ , typename Element_ , typename Layout_ , typename InstructionShape_ , typename OpDelta_ >
CUTLASS_HOST_DEVICE void cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >::load ( Fragment frag,
TensorCoord const &  tile_offset,
Index  pointer_offset 
) const
inline

< loads a tile with a logical offset AND a pointer offset

Parameters
fragfragment to load from the tensor
tile_offsetloads a tile with a logical offset in units of whole tiles
template<typename Shape_ , typename Element_ , typename Layout_ , typename InstructionShape_ , typename OpDelta_ >
CUTLASS_DEVICE void cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >::load_with_byte_offset ( Fragment frag,
Index  byte_offset 
) const
inline

< loads a tile with a linear offset

Parameters
fragfragment to load from the tensor
template<typename Shape_ , typename Element_ , typename Layout_ , typename InstructionShape_ , typename OpDelta_ >
CUTLASS_HOST_DEVICE void cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >::load_with_pointer_offset ( Fragment frag,
Index  pointer_offset 
) const
inline

< loads a tile with a linear offset

Parameters
fragfragment to load from the tensor
template<typename Shape_ , typename Element_ , typename Layout_ , typename InstructionShape_ , typename OpDelta_ >
CUTLASS_HOST_DEVICE MmaVoltaTensorOpAccumulatorTileIterator& cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >::operator++ ( )
inline
template<typename Shape_ , typename Element_ , typename Layout_ , typename InstructionShape_ , typename OpDelta_ >
CUTLASS_DEVICE MmaVoltaTensorOpAccumulatorTileIterator& cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >::operator+= ( TensorCoord const &  tile_offset)
inline
template<typename Shape_ , typename Element_ , typename Layout_ , typename InstructionShape_ , typename OpDelta_ >
CUTLASS_HOST_DEVICE MmaVoltaTensorOpAccumulatorTileIterator& cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >::operator-- ( )
inline

advances in units of whole tiles along the logical coordinate space of the tensor

template<typename Shape_ , typename Element_ , typename Layout_ , typename InstructionShape_ , typename OpDelta_ >
CUTLASS_DEVICE MmaVoltaTensorOpAccumulatorTileIterator& cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >::operator-= ( TensorCoord const &  tile_offset)
inline
template<typename Shape_ , typename Element_ , typename Layout_ , typename InstructionShape_ , typename OpDelta_ >
CUTLASS_HOST_DEVICE void cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >::store ( Fragment const &  frag) const
inline
template<typename Shape_ , typename Element_ , typename Layout_ , typename InstructionShape_ , typename OpDelta_ >
CUTLASS_HOST_DEVICE void cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >::store ( Fragment frag,
TensorCoord const &  tile_offset 
) const
inline

< stores a tile with a logical offset in units of whole tiles

Parameters
fragfragment to store to the tensor
template<typename Shape_ , typename Element_ , typename Layout_ , typename InstructionShape_ , typename OpDelta_ >
CUTLASS_HOST_DEVICE void cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >::store ( Fragment const &  frag,
TensorCoord const &  tile_offset,
Index  pointer_offset 
) const
inline
Parameters
fragfragment to store to the tensor
tile_offsetstores a tile with a logical offset in units of whole tiles
pointer_offsetstores a tile with a logical offset AND a pointer offset
template<typename Shape_ , typename Element_ , typename Layout_ , typename InstructionShape_ , typename OpDelta_ >
CUTLASS_HOST_DEVICE void cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >::store_with_byte_offset ( Fragment const &  frag,
Index  byte_offset 
) const
inline

< store a tile with a linear offset

Parameters
fragfragment to store from the tensor
template<typename Shape_ , typename Element_ , typename Layout_ , typename InstructionShape_ , typename OpDelta_ >
CUTLASS_HOST_DEVICE void cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >::store_with_pointer_offset ( Fragment const &  frag,
Index  pointer_offset 
) const
inline

< store a tile with a linear offset

Parameters
fragfragment to store from the tensor

Member Data Documentation

template<typename Shape_ , typename Element_ , typename Layout_ , typename InstructionShape_ , typename OpDelta_ >
Operand const cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >::kOperand = Operand::kC
static
template<typename Shape_ , typename Element_ , typename Layout_ , typename InstructionShape_ , typename OpDelta_ >
int const cutlass::gemm::warp::MmaVoltaTensorOpAccumulatorTileIterator< Shape_, Element_, Layout_, InstructionShape_, OpDelta_ >::kThreads = 32
static

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