98 lines
3.3 KiB
C++
98 lines
3.3 KiB
C++
/***************************************************************************************************
|
|
* Copyright (c) 2017 - 2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* 3. Neither the name of the copyright holder nor the names of its
|
|
* contributors may be used to endorse or promote products derived from
|
|
* this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
**************************************************************************************************/
|
|
/*! \file
|
|
\brief Functor performing reduction operations used by epilogues.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "cutlass/cutlass.h"
|
|
#include "cutlass/numeric_types.h"
|
|
#include "cutlass/array.h"
|
|
#include "cutlass/functional.h"
|
|
#include "cutlass/numeric_conversion.h"
|
|
|
|
/////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
namespace cutlass {
|
|
namespace epilogue {
|
|
namespace thread {
|
|
|
|
/////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
/// Applies a reduction sum to an array of elements.
|
|
///
|
|
///
|
|
template <
|
|
typename Element_, ///< Data type used to load and store tensors
|
|
int Count ///< Number of elements computed per operation
|
|
>
|
|
class ReductionOpPlus {
|
|
public:
|
|
|
|
using Element = Element_;
|
|
static int const kCount = Count;
|
|
|
|
using Fragment = Array<Element, kCount>;
|
|
using Operator = plus<Fragment>;
|
|
|
|
/// Host-constructable parameters structure
|
|
struct Params { };
|
|
|
|
private:
|
|
|
|
/// reduction operator
|
|
Operator operator_;
|
|
|
|
public:
|
|
|
|
/// Constructs the function object, possibly loading from pointers in host memory
|
|
CUTLASS_HOST_DEVICE
|
|
ReductionOpPlus(Params const ¶ms) {
|
|
|
|
}
|
|
|
|
/// Computes Compute =>
|
|
CUTLASS_HOST_DEVICE
|
|
Fragment operator()(
|
|
Fragment const &lhs,
|
|
Fragment const &rhs) const {
|
|
|
|
return operator_(lhs, rhs);
|
|
}
|
|
};
|
|
|
|
/////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
} // namespace thread
|
|
} // namespace epilogue
|
|
} // namespace cutlass
|