wehub-resource-sync
40 lines
1.2 KiB
C++
40 lines
1.2 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/core/tensor_utils.h"
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namespace phi {
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template <typename T, typename Context>
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void NumelKernel(const Context& dev_ctx,
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const DenseTensor& input,
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DenseTensor* out) {
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auto place = dev_ctx.GetPlace();
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auto out_data = dev_ctx.template Alloc<int64_t>(out);
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if (place == CPUPlace()) {
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out_data[0] = input.numel();
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} else {
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DenseTensor cpu_tensor;
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cpu_tensor.Resize(out->dims());
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auto cpu_data = dev_ctx.template HostAlloc<int64_t>(&cpu_tensor);
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cpu_data[0] = input.numel();
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Copy(dev_ctx, cpu_tensor, place, false, out);
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}
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}
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} // namespace phi
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