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46 lines
1.6 KiB
46 lines
1.6 KiB
6 years ago
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// Copyright (c) 2018 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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#include "gtest/gtest.h"
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#include "paddle/fluid/framework/eigen.h"
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#include "paddle/fluid/framework/tensor.h"
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#include "paddle/fluid/platform/device_context.h"
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#include "paddle/fluid/platform/for_range.h"
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#include "unsupported/Eigen/CXX11/Tensor"
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struct FillZero {
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public:
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float* ptr_;
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__device__ void operator()(size_t i) { ptr_[i] = 0.0f; }
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};
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namespace paddle {
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TEST(Eigen, main) {
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framework::Tensor tensor;
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platform::CUDAPlace gpu(0);
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float* ptr = tensor.mutable_data<float>({10, 10}, gpu);
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auto& dev_ctx = *reinterpret_cast<platform::CUDADeviceContext*>(
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platform::DeviceContextPool::Instance().Get(gpu));
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PADDLE_ENFORCE(cudaMemset(ptr, 0, sizeof(float) * 100));
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platform::ForRange<platform::CUDADeviceContext> for_range(dev_ctx, 100);
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for_range(FillZero{ptr});
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dev_ctx.Wait();
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auto eigen_vec = framework::EigenVector<float>::Flatten(tensor);
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auto& eigen_dev = *dev_ctx.eigen_device();
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eigen_vec.device(eigen_dev) = eigen_vec.constant(0.0f);
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}
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} // namespace paddle
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