79 lines
2.9 KiB
C++
79 lines
2.9 KiB
C++
/***************************************************************************************************
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* Copyright (c) 2017 - 2022 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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**************************************************************************************************/
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/*! \file
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\brief Statically sized array of elements that accommodates all CUTLASS-supported numeric types
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and is safe to use in a union.
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*/
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#pragma once
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#include "cutlass/arch/wmma.h"
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#if defined(CUTLASS_ARCH_WMMA_ENABLED)
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#include "cutlass/cutlass.h"
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#include "cutlass/array.h"
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namespace cutlass {
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////////////////////////////////////////////////////////////////////////////////////////////////////
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/// Wmma array type (WmmaFragmentArray holds elements of of type nvcuda::wmma::fragment)
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template <
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/// Element type
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typename T,
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/// Number of elements in the array
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int N
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>
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class WmmaFragmentArray: public Array<T, N, true> {
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public:
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/// Efficient clear method (override Array::clear())
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CUTLASS_HOST_DEVICE
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void clear() {
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for(int i=0; i<Array<T, N, true>::kElements; i++) {
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nvcuda::wmma::fill_fragment((*this)[i], (typename T::element_type)0);
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}
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}
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////
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} // namespace cutlass
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///////////////////////////////////////////////////////////////////////////////////////////////////
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#endif // if defined(CUTLASS_ARCH_WMMA_ENABLED)
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