53 lines
1.4 KiB
C++
53 lines
1.4 KiB
C++
// Copyright (c) 2024 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include "paddle/phi/kernels/funcs/slice.h"
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#include "paddle/phi/kernels/gpu/reduce.h"
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#include "paddle/phi/kernels/primitive/functor_primitives.h"
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namespace phi {
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namespace funcs {
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HOSTDEVICE inline int CeilDivide(int n, int m) { return (n + m - 1) / m; }
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inline int ComputeBlockSize(int col) {
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if (col > 512)
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return 1024;
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else if (col > 256 && col <= 512)
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return 512;
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else if (col > 128 && col <= 256)
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return 256;
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else if (col > 64 && col <= 128)
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return 128;
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else
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return 64;
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}
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// Iter for move to next row
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struct SegmentOffsetIter {
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EIGEN_DEVICE_FUNC
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explicit SegmentOffsetIter(int num_cols) : num_cols_(num_cols) {}
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EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE int operator()(int idx) const {
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return idx * num_cols_;
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}
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int num_cols_;
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};
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} // namespace funcs
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} // namespace phi
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