wehub-resource-sync
36 lines
1.3 KiB
C++
36 lines
1.3 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/core/dense_tensor.h"
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#include "paddle/phi/kernels/impl/selu_kernel_impl.h"
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namespace phi {
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template <typename T, typename Context>
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void SeluGradKernel(const Context& dev_ctx,
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const DenseTensor& out,
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const DenseTensor& dout,
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float scale,
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float alpha,
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DenseTensor* dx) {
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auto dx_ptr = dev_ctx.template Alloc<T>(dx);
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SeluGradFunctor<T> functor(
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out.data<T>(), dout.data<T>(), alpha, scale, dx_ptr);
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size_t limit = static_cast<size_t>(out.numel());
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if (limit == 0) return;
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funcs::ForRange<Context> for_range(dev_ctx, limit);
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for_range(functor);
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}
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} // namespace phi
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