58 lines
2.4 KiB
C++
58 lines
2.4 KiB
C++
/******************************************************************************
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* Copyright (c) 2011-2021, NVIDIA CORPORATION. All rights reserved.
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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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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the NVIDIA CORPORATION nor the
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* names of its contributors may be used to endorse or promote products
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* derived from 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" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************/
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#pragma once
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#include <fmha.h>
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#include <fmha/utils.h>
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#include <fmha/smem_tile.h>
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#include <fmha/gmem_tile.h>
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#include <fmha/mask.h>
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#include <fmha/softmax.h>
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namespace fmha {
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////////////////////////////////////////////////////////////////////////////////////////////////////
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struct Blockmask {
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template<typename Params>
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__device__ Blockmask(const Params ¶ms, int loop_step_idx) :
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blockmask_ptr(params.blockmask + loop_step_idx * params.s / 16) {
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}
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__device__ int mask_val(int block_row_idx) const {
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return blockmask_ptr[block_row_idx];
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}
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const int *blockmask_ptr;
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////
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} // namespace fmha
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