wehub-resource-sync
97 lines
2.6 KiB
C++
97 lines
2.6 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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#pragma once
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#include <popart/devicemanager.hpp>
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#include <popart/names.hpp>
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#include <popart/tensorinfo.hpp>
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#include "paddle/fluid/framework/ir/graph.h"
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#include "paddle/fluid/framework/scope.h"
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#include "paddle/fluid/platform/device/ipu/ipu_strategy.h"
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#include "paddle/phi/core/platform/timer.h"
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namespace paddle {
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namespace framework {
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class ExecutionContext;
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} // namespace framework
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} // namespace paddle
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namespace paddle {
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namespace platform {
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namespace ipu {
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class IpuStrategy;
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class Compiler;
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class Executor;
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class IpuBackend {
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public:
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static IpuBackend *GetInstance();
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public:
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IpuBackend();
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~IpuBackend();
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// What compile method does:
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// Convert paddle ops to popart ops;
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// Construct a popart graph, which is a onnx compute graph;
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// Load the graph and weights to ipu.
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void Compile(framework::ir::Graph *graph,
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const std::vector<std::string> &feed_list,
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const std::vector<std::string> &fetch_list);
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// Run the compiled graph on ipu
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void Run(const std::vector<const phi::DenseTensor *> &inputs,
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const std::vector<phi::DenseTensor *> &outputs,
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const framework::ExecutionContext &ctx);
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// Sync weights from IPU while training
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void WeightsToHost();
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// Detach IPU manually
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void Detach();
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// Reset manually
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// Call it before destruct works
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void Reset();
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void SetScope(const framework::Scope &scope);
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const framework::Scope *GetScope() { return scope_; }
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void SetIpuStrategy(const IpuStrategy &strategy);
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const IpuStrategy *GetIpuStrategy() { return ipu_strategy_; }
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// Save compiled model to onnx
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void SaveModelProto(const std::string &path);
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private:
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// Not own
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const framework::Scope *scope_ = nullptr;
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const IpuStrategy *ipu_strategy_ = nullptr;
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// Own
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std::unique_ptr<Compiler> compiler_;
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std::unique_ptr<Executor> executor_;
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std::unique_ptr<Timer> timer_;
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bool is_compiled_ = false;
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DISABLE_COPY_AND_ASSIGN(IpuBackend);
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};
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} // namespace ipu
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} // namespace platform
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} // namespace paddle
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