CUTLASS: wmma_tensor_op_policy.h Source File

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wmma_tensor_op_policy.h
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1 /***************************************************************************************************
2 * Copyright (c) 2017-2019, NVIDIA CORPORATION. All rights reserved.
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31 #pragma once
32
33 #include "cutlass/arch/wmma.h"
34 #include "cutlass/matrix_shape.h"
35 #include "cutlass/layout/matrix.h"
36
37 #if defined(CUTLASS_ARCH_WMMA_ENABLED)
38
40
41 namespace cutlass {
42 namespace epilogue {
43 namespace warp {
44
46
48 template <
49 typename WarpShape,
50 typename OperatorShape,
51 typename Layout
52 >
53 struct WmmaTensorOpPolicy;
54
56
58 template <
59 typename WarpShape,
60 typename OperatorShape
61 >
62 struct WmmaTensorOpPolicy<WarpShape, OperatorShape, layout::RowMajor> {
63
65 using OperatorCount = MatrixShape<
66 WarpShape::kM / OperatorShape::kM,
67 WarpShape::kN / OperatorShape::kN
68 >;
69
70 //
71 // Hard-coded constants regarding Tensor Operations
72 //
73 static int const kElementsPerAccess = 2;
74 static int const kRowsPerIteration = OperatorShape::kM;
75 static int const kWmmaFragmentsPerAccess = 1;
76
77 //
78 // Derived quantities
79 //
80
81 // Number of externally visible iterations
82 static int const kIterations = OperatorCount::kRow;
83
84 };
85
87
88 } // namespace warp
89 } // namespace epilogue
90 } // namespace cutlass
91
93
94 #endif
95
cutlass
Definition: aligned_buffer.h:35
matrix_shape.h
Defines a Shape template for matrix tiles.
matrix.h
Defines layout functions used by TensorRef and derived classes.
wmma.h
Templates exposing architecture support for warp matrix multiply-add (WMMA) operations.