Files
cutlass/cutlass/zip_fragment.h
2018-09-18 16:58:03 -07:00

151 lines
4.7 KiB
C++

/***************************************************************************************************
* Copyright (c) 2017-2018, NVIDIA CORPORATION. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted
* provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
* * 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.
* * Neither the name of the NVIDIA CORPORATION 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 NVIDIA CORPORATION 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 TOR (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 Models a pair of fragments
*/
#pragma once
#include <assert.h>
#include "cutlass/cutlass.h"
#include "cutlass/shape.h"
#include "cutlass/util/cutlass_math.h"
#include "cutlass/vector.h"
namespace cutlass {
///////////////////////////////////////////////////////////////////////////////////////////////////
/**
* @brief A template defining \ref fragment_concept
* @concept{fragment_concept}
*/
template <typename First_, typename Second_>
struct ZipFragment {
/// First fragment object
typedef First_ First;
/// Second fragment object
typedef Second_ Second;
/// This class.
typedef ZipFragment<First, Second> This_;
//
// Data members
//
/// First fragment object
First first;
/// Second fragment object
Second second;
//
// Methods
//
/// Default ctor
CUTLASS_DEVICE
ZipFragment() { }
/// Copy ctor
CUTLASS_DEVICE
ZipFragment(First const &_first, Second const &_second): first(_first), second(_second) { }
/// Clear a fragment.
CUTLASS_DEVICE void clear() {
first.clear();
second.clear();
}
};
////////////////////////////////////////////////////////////////////////////////////////////////////
/// Helper to construct a ZipFragment object
template <typename First, typename Second>
CUTLASS_HOST_DEVICE
ZipFragment<First, Second> make_ZipFragment(First const &first, Second const &second) {
return ZipFragment<First, Second>(first, second);
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// Zips two convert operations
template <typename First_, typename Second_>
struct ZipConvert {
/// First convert operator
typedef First_ First;
/// Second convert operator
typedef Second_ Second;
/// Defines the input zip fragment
typedef ZipFragment<typename First::InputFragment, typename Second::InputFragment> InputFragment;
/// Defines the output zip fragment
typedef ZipFragment<typename First::OutputFragment, typename Second::OutputFragment>
OutputFragment;
//
//
//
/// First transformer
First first;
/// Second transformer
Second second;
//
//
//
/// Ctor.
CUTLASS_DEVICE ZipConvert() {}
/// Ctor.
CUTLASS_DEVICE ZipConvert(First const &_first, Second const &_second): first(_first), second(_second) { }
/// Transform a fragment.
CUTLASS_DEVICE void transform(InputFragment const& src, OutputFragment& dst) {
first.transform(src.first, dst.first);
second.transform(src.second, dst.second);
}
};
////////////////////////////////////////////////////////////////////////////////////////////////////
/// Helper to construct a ZipConvert object
template <typename First, typename Second>
CUTLASS_HOST_DEVICE
ZipConvert<First, Second> make_ZipConvert(First const &first, Second const &second) {
return ZipConvert<First, Second>(first, second);
}
////////////////////////////////////////////////////////////////////////////////////////////////////
} // namespace cutlass