wehub-resource-sync
55 lines
1.8 KiB
C++
55 lines
1.8 KiB
C++
/* Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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#include "paddle/phi/kernels/uniform_inplace_kernel.h"
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#include "paddle/phi/core/kernel_registry.h"
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namespace phi {
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template <typename T, typename Context>
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void UniformInplaceKernel(const Context& dev_ctx,
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const DenseTensor& x UNUSED,
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float min,
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float max,
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int seed,
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int diag_num UNUSED,
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int diag_step UNUSED,
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float diag_val UNUSED,
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DenseTensor* out) {
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T* data = dev_ctx.template Alloc<T>(out);
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int64_t size = out->numel();
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std::uniform_real_distribution<T> dist(static_cast<T>(min),
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static_cast<T>(max));
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std::shared_ptr<std::mt19937_64> engine;
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if (seed) {
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engine = std::make_shared<std::mt19937_64>();
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engine->seed(seed);
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} else {
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engine = dev_ctx.GetGenerator()->GetCPUEngine();
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}
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for (int64_t i = 0; i < size; ++i) {
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data[i] = dist(*engine);
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}
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}
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} // namespace phi
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PD_REGISTER_KERNEL(uniform_inplace,
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CPU,
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ALL_LAYOUT,
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phi::UniformInplaceKernel,
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float,
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double) {}
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