| CUTLASS CUDA Templates for Linear Algebra Subroutines and Solvers

- Main Page
- Modules
- Namespaces
- Classes
- Files

- File List
- File Members

reduction_op.h
Go to the documentation of this file.
1 /***************************************************************************************************
2 * Copyright (c) 2017-2019, NVIDIA CORPORATION. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without modification, are permitted
5 * provided that the following conditions are met:
6 * * Redistributions of source code must retain the above copyright notice, this list of
7 * conditions and the following disclaimer.
8 * * Redistributions in binary form must reproduce the above copyright notice, this list of
9 * conditions and the following disclaimer in the documentation and/or other materials
10 * provided with the distribution.
11 * * Neither the name of the NVIDIA CORPORATION nor the names of its contributors may be used
12 * to endorse or promote products derived from this software without specific prior written
13 * permission.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
17 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
19 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
20 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
21 * STRICT LIABILITY, OR TOR (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
22 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 *
24 **************************************************************************************************/
29 #pragma once
30
31 #include "cutlass/cutlass.h"
32 #include "cutlass/numeric_types.h"
33 #include "cutlass/array.h"
34 #include "cutlass/functional.h"
35 #include "cutlass/numeric_conversion.h"
36
38
39 namespace cutlass {
40 namespace epilogue {
41 namespace thread {
42
44
48 template <
49 typename Element_,
50 int Count
51 >
52 class ReductionOpPlus {
53 public:
54
55 using Element = Element_;
56 static int const kCount = Count;
57
58 using Fragment = Array<Element, kCount>;
59 using Operator = plus<Fragment>;
60
62 struct Params { };
63
64 private:
65
67 Operator operator_;
68
69 public:
70
72 CUTLASS_HOST_DEVICE
73 ReductionOpPlus(Params const &params) {
74
75 }
76
78 CUTLASS_HOST_DEVICE
79 Fragment operator()(
80 Fragment const &lhs,
81 Fragment const &rhs) const {
82
83 return operator_(lhs, rhs);
84 }
85 };
86
88
89 } // namespace thread
90 } // namespace epilogue
91 } // namespace cutlass
cutlass
Definition: aligned_buffer.h:35
cutlass::epilogue::thread::ReductionOpPlus::Params
Host-constructable parameters structure.
Definition: reduction_op.h:62
cutlass::plus< Fragment >
array.h
Statically sized array of elements that accommodates all CUTLASS-supported numeric types and is safe ...
numeric_conversion.h
Boost-like numeric conversion operator for CUTLASS numeric types.
cutlass::epilogue::thread::ReductionOpPlus::ReductionOpPlus
CUTLASS_HOST_DEVICE ReductionOpPlus(Params const &params)
Constructs the function object, possibly loading from pointers in host memory.
Definition: reduction_op.h:73
cutlass::epilogue::thread::ReductionOpPlus
Definition: reduction_op.h:52
cutlass::epilogue::thread::ReductionOpPlus::kCount
static int const kCount
Definition: reduction_op.h:56
CUTLASS_HOST_DEVICE
#define CUTLASS_HOST_DEVICE
Definition: cutlass.h:89
numeric_types.h
Top-level include for all CUTLASS numeric types.
cutlass::epilogue::thread::ReductionOpPlus::operator()
CUTLASS_HOST_DEVICE Fragment operator()(Fragment const &lhs, Fragment const &rhs) const
Computes Compute =>
Definition: reduction_op.h:79
cutlass::epilogue::thread::ReductionOpPlus::Element
Element_ Element
Definition: reduction_op.h:55
cutlass::epilogue::thread::ReductionOpPlus::Fragment
Array< Element, kCount > Fragment
Definition: reduction_op.h:58
cutlass.h
Basic include for CUTLASS.
functional.h
Define basic numeric operators with specializations for Array<T, N>. SIMD-ize where possible...