Update tensor_util.h (#8422)
* Update tensor_util.h * Update with moved TensorDesc * Fix tensur_utils.cu * Update * Update * Update * Update * Make tensor_util.cu a symbolic linkemailweixu-patch-1
Yi Wang
7 years ago
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GitHub
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cfffb1a362
@ -1,119 +0,0 @@
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/* Copyright (c) 2016 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/fluid/framework/tensor_util.h"
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namespace paddle {
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namespace framework {
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template <typename Predicate, typename DevCtx>
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struct AnyDTypeVisitor {
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Predicate predicate_;
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const Tensor& tensor_;
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const DevCtx& ctx_;
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Tensor* out_;
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AnyDTypeVisitor(Predicate predicate, const Tensor& tensor, const DevCtx& ctx,
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Tensor* out)
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: predicate_(predicate), tensor_(tensor), ctx_(ctx), out_(out) {}
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template <typename T>
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void operator()() const {
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auto t = EigenVector<T>::Flatten(tensor_);
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auto o = EigenScalar<bool>::From(*out_);
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// return any of predicate_(t) is true.
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o.device(*ctx_.eigen_device()) = predicate_(t).any();
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}
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};
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template <typename Predicate, typename DevCtx>
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inline void AnyImpl(Predicate predicate, const framework::Tensor& tensor,
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const DevCtx& ctx, framework::Tensor* out) {
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VisitDataType(ToDataType(tensor.type()), AnyDTypeVisitor<Predicate, DevCtx>(
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predicate, tensor, ctx, out));
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}
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template <typename Predicate>
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struct AnyVisitor : public boost::static_visitor<bool> {
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const framework::Tensor& tensor_;
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Predicate predicate_;
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AnyVisitor(const framework::Tensor& tensor, Predicate predicate)
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: tensor_(tensor), predicate_(std::move(predicate)) {}
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template <typename Place>
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bool operator()(const Place& place) const {
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framework::Tensor out;
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out.Resize({1});
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out.mutable_data<bool>(place);
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auto* ctx = platform::DeviceContextPool::Instance().GetByPlace(place);
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AnyImpl(predicate_, tensor_, *ctx, &out);
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return this->GetResult(out, place);
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}
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bool GetResult(const framework::Tensor& out,
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const platform::CUDAPlace& gpu) const {
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platform::CPUPlace cpu;
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framework::Tensor tmp;
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tmp.Resize({1});
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tmp.mutable_data<bool>(cpu);
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auto gpuctx = platform::DeviceContextPool::Instance().Get(gpu);
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gpuctx->Wait();
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Copy(out, cpu, *gpuctx, &tmp);
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gpuctx->Wait();
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return GetResult(tmp, cpu);
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}
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bool GetResult(const framework::Tensor& out,
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const platform::CPUPlace& cpu) const {
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return *out.data<bool>();
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}
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};
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template <typename Predicate>
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inline bool Any(const framework::Tensor& tensor, Predicate predicate) {
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AnyVisitor<Predicate> visitor(tensor, predicate);
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auto place = tensor.place();
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return platform::VisitPlace(place, visitor);
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}
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struct HasNANPredicate {
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template <typename T>
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auto operator()(const T& eigen_vec) const
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-> decltype(std::declval<T>().isnan()) {
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// Cast eigen_vector to vector of bool. true if is inf.
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return eigen_vec.isnan();
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}
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};
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bool HasNAN(const framework::Tensor& tensor) {
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HasNANPredicate predicate;
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return Any(tensor, predicate);
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}
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struct HasInfPredicate {
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template <typename T>
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auto operator()(const T& eigen_vec) const
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-> decltype(std::declval<T>().isinf()) {
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// Cast eigen_vector to vector of bool. true if is inf.
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return eigen_vec.isinf();
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}
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};
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bool HasInf(const framework::Tensor& tensor) {
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HasInfPredicate predicate;
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return Any(tensor, predicate);
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}
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} // namespace framework
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} // namespace paddle
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@ -0,0 +1 @@
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tensor_util.cc
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