wehub-resource-sync
74 lines
2.2 KiB
C++
74 lines
2.2 KiB
C++
// Copyright (c) 2022 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/for_range.h"
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#include "paddle/phi/kernels/funcs/tril_triu_compute.h"
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#include "paddle/phi/kernels/tril_triu_kernel.h"
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namespace phi {
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template <typename T, typename Context>
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void TrilTriuKernel(const Context& dev_ctx,
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const DenseTensor& x,
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int diagonal,
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bool lower,
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DenseTensor* out) {
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auto* out_data = dev_ctx.template Alloc<T>(out);
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// Early return for empty tensor to avoid invalid CUDA kernel launch
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if (x.numel() == 0) {
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return;
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}
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const auto* x_data = x.data<T>();
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const auto& dims = x.dims();
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const auto H = dims[dims.size() - 2];
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const auto W = dims[dims.size() - 1];
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funcs::ForRange<Context> for_range(dev_ctx, static_cast<size_t>(x.numel()));
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funcs::TrilTriuCompute<T> tril_triu_computer(
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x_data, diagonal, lower, H, W, out_data);
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for_range(tril_triu_computer);
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}
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template <typename T, typename Context>
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void TrilKernel(const Context& dev_ctx,
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const DenseTensor& x,
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int diagonal,
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DenseTensor* out) {
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if (out && out->numel() == 0) {
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dev_ctx.template Alloc<T>(out);
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return;
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}
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TrilTriuKernel<T, Context>(dev_ctx, x, diagonal, true, out);
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}
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template <typename T, typename Context>
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void TriuKernel(const Context& dev_ctx,
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const DenseTensor& x,
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int diagonal,
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DenseTensor* out) {
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if (out && out->numel() == 0) {
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dev_ctx.template Alloc<T>(out);
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return;
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}
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TrilTriuKernel<T, Context>(dev_ctx, x, diagonal, false, out);
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}
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} // namespace phi
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