CUTLASS
CUDA Templates for Linear Algebra Subroutines and Solvers
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"
36 
38 
39 namespace cutlass {
40 namespace epilogue {
41 namespace thread {
42 
44 
48 template <
49  typename Element_,
50  int Count
51 >
53 public:
54 
55  using Element = Element_;
56  static int const kCount = Count;
57 
58  using Fragment = Array<Element, kCount>;
60 
62  struct Params { };
63 
64 private:
65 
67  Operator operator_;
68 
69 public:
70 
73  ReductionOpPlus(Params const &params) {
74 
75  }
76 
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
Definition: aligned_buffer.h:35
Host-constructable parameters structure.
Definition: reduction_op.h:62
Statically sized array of elements that accommodates all CUTLASS-supported numeric types and is safe ...
Boost-like numeric conversion operator for CUTLASS numeric types.
CUTLASS_HOST_DEVICE ReductionOpPlus(Params const &params)
Constructs the function object, possibly loading from pointers in host memory.
Definition: reduction_op.h:73
Definition: reduction_op.h:52
static int const kCount
Definition: reduction_op.h:56
#define CUTLASS_HOST_DEVICE
Definition: cutlass.h:89
Top-level include for all CUTLASS numeric types.
CUTLASS_HOST_DEVICE Fragment operator()(Fragment const &lhs, Fragment const &rhs) const
Computes Compute =>
Definition: reduction_op.h:79
Element_ Element
Definition: reduction_op.h:55
Array< Element, kCount > Fragment
Definition: reduction_op.h:58
Basic include for CUTLASS.
Define basic numeric operators with specializations for Array<T, N>. SIMD-ize where possible...