Function CreateConv2dFewChannelsOperator

python/cutlass_library/generator.py:729–771

(manifest, layout, tile_descriptions, data_type, channel_counts, \
  conv_kinds = [ConvKind.Fprop, ConvKind.Dgrad, ConvKind.Wgrad], \
  epilogue_functor = EpilogueFunctor.LinearCombination, swizzling_functor = SwizzlingFunctor.Identity4)

# Convolution for 2D operations specialized for few channels
def CreateConv2dFewChannelsOperator(manifest, layout, tile_descriptions, data_type, channel_counts, \
  conv_kinds = [ConvKind.Fprop, ConvKind.Dgrad, ConvKind.Wgrad], \
  epilogue_functor = EpilogueFunctor.LinearCombination, swizzling_functor = SwizzlingFunctor.Identity4):

  element_a, element_b, element_c, element_epilogue = data_type

  # one exceptional case

  # iterator algorithm (analytic and optimized)
  iterator_algorithms = [IteratorAlgorithm.FewChannels,]

  # by default, only generate the largest tile size, largest alignment, and optimized iterator
  if manifest.kernel_filter == '':
    tile_descriptions = [tile_descriptions[0],]
    channel_counts = [channel_counts[0],]

  operations = []

  for tile in tile_descriptions:
    for channel_count in channel_counts:

      alignment_c = EpilogueAlignment(channel_count, tile)

      A = TensorDescription(element_a, layout[0], channel_count)
      B = TensorDescription(element_b, layout[1], channel_count)
      C = TensorDescription(element_c, layout[2], alignment_c)

      swizzling_functor_ = swizzling_functor

      #
      # Conv2d Fprop
      #
      if ConvKind.Fprop in conv_kinds:

        # Strided support for Analytic and Optimized Fprop
        for iterator_algorithm in iterator_algorithms:
          new_operation = Conv2dOperation(ConvKind.Fprop, iterator_algorithm, tile.minimum_compute_capability, tile,\
            A, B, C, element_epilogue, StrideSupport.Strided, epilogue_functor, swizzling_functor_)

          manifest.append(new_operation)
          operations.append(new_operation)

  return operations

# Convolution for 3D operations
def CreateConv3dOperator(manifest, layout, tile_descriptions, data_type, alignment, \