wehub-resource-sync
62 lines
2.1 KiB
C++
62 lines
2.1 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/common/scalar.h"
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#include "paddle/phi/core/dense_tensor.h"
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#include "paddle/phi/core/device_context.h"
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#include "paddle/phi/core/selected_rows.h"
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#include "paddle/phi/kernels/funcs/selected_rows_functor.h"
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#include "paddle/phi/kernels/selected_rows/clip_kernel.h"
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namespace phi {
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namespace sr {
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template <typename T, typename Context>
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void ClipSparseKernel(const Context& dev_ctx,
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const SelectedRows& x,
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const Scalar& min,
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const Scalar& max,
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SelectedRows* out) {
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auto max_ = max.to<T>();
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auto min_ = min.to<T>();
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PADDLE_ENFORCE_LE(
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min_,
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max_,
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errors::InvalidArgument("max should be greater than or equal to min. "
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"But received min = %f, max = %f",
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static_cast<float>(min_),
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static_cast<float>(max_)));
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PADDLE_ENFORCE_NE(&x,
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out,
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errors::InvalidArgument("Inplace clip is not allowed "
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"when x is SelectedRows"));
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funcs::scatter::MergeAdd<Context, T> merge_func;
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merge_func(dev_ctx, x, out);
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auto* out_tensor = out->mutable_value();
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auto* out_data = out_tensor->data<T>();
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int64_t numel = out_tensor->numel();
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phi::Transform<Context> trans;
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trans(dev_ctx,
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out_data,
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out_data + numel,
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out_data,
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ClipFunctor<T>(min_, max_));
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}
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} // namespace sr
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} // namespace phi
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