CUTLASS: simt_policy.h Source File

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simt_policy.h
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1 /***************************************************************************************************
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31 #pragma once
32
33 #include "cutlass/matrix_shape.h"
34 #include "cutlass/layout/matrix.h"
35
37
38 namespace cutlass {
39 namespace epilogue {
40 namespace warp {
41
43
44 template <
45 typename WarpShape,
46 typename Operator,
47 typename Layout,
48 typename MmaSimtPolicy
49 >
50 struct SimtPolicy;
51
53
55 template <
56 typename WarpShape_,
57 typename Operator_,
58 typename MmaSimtPolicy_
59 >
60 struct SimtPolicy<WarpShape_, Operator_, layout::RowMajor, MmaSimtPolicy_> {
61
62 using WarpShape = WarpShape_;
63 using Operator = Operator_;
64 using MmaSimtPolicy = MmaSimtPolicy_;
65
66 static_assert(!(WarpShape::kM % MmaSimtPolicy::WarpShape::kRow), "Divisibility");
67 static_assert(!(WarpShape::kN % MmaSimtPolicy::WarpShape::kColumn), "Divisibility");
68
70 static int const kIterations = WarpShape::kM / MmaSimtPolicy::WarpShape::kRow;
71
73 static int const kElementsPerIteration =
74 (WarpShape::kN / MmaSimtPolicy::WarpShape::kColumn);
75
77 static int const kAccumulatorElementCount = kElementsPerIteration * kIterations;
78
80 static int const kElementsPerAccess = MmaSimtPolicy::LaneMmaShape::kN;
81
83 static int const kRowsPerIteration = MmaSimtPolicy::WarpShape::kRow;
84
86 static int const kAccessesPerIteration = kElementsPerIteration / kElementsPerAccess;
87 };
88
90
91 } // namespace warp
92 } // namespace epilogue
93 } // namespace cutlass
94
cutlass
Definition: aligned_buffer.h:35
cutlass::epilogue::warp::SimtPolicy
Definition: simt_policy.h:50
cutlass::epilogue::warp::SimtPolicy< WarpShape_, Operator_, layout::RowMajor, MmaSimtPolicy_ >::MmaSimtPolicy
MmaSimtPolicy_ MmaSimtPolicy
Definition: simt_policy.h:64
matrix_shape.h
Defines a Shape template for matrix tiles.
static_assert
#define static_assert(__e, __m)
Definition: platform.h:153
matrix.h
Defines layout functions used by TensorRef and derived classes.
cutlass::epilogue::warp::SimtPolicy< WarpShape_, Operator_, layout::RowMajor, MmaSimtPolicy_ >::WarpShape
WarpShape_ WarpShape
Definition: simt_policy.h:62