wehub-resource-sync
133 lines
3.5 KiB
C++
133 lines
3.5 KiB
C++
/* Copyright (c) 2019 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 <map>
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#include <memory>
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#include <string>
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#include <unordered_map>
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#include <vector>
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#include "paddle/phi/common/place.h"
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#include "paddle/phi/core/enforce.h"
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#ifdef PADDLE_WITH_CUDA
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#include "paddle/phi/backends/dynload/cuda_driver.h"
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#include "paddle/phi/backends/dynload/nvrtc.h"
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#endif
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#ifdef PADDLE_WITH_HIP
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#include "paddle/phi/backends/dynload/hiprtc.h"
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#include "paddle/phi/backends/dynload/rocm_driver.h"
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#endif
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namespace phi {
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class DeviceCode {
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public:
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virtual ~DeviceCode() {}
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virtual bool Compile(bool include_path = false) = 0;
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virtual void Launch(const size_t n, std::vector<void*>* args) const = 0;
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Place GetPlace() const { return place_; }
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std::string GetName() const { return name_; }
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protected:
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Place place_;
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std::string name_;
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std::string kernel_;
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};
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#if defined(PADDLE_WITH_CUDA) || defined(PADDLE_WITH_HIP)
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class GPUDeviceCode : public DeviceCode {
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public:
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explicit GPUDeviceCode(const Place& place,
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const std::string& name,
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const std::string& kernel);
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bool Compile(bool include_path = false) override;
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void Launch(const size_t n, std::vector<void*>* args) const override;
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void SetNumThreads(int num_threads) { num_threads_ = num_threads; }
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void SetWorkloadPerThread(int workload_per_thread) {
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workload_per_thread_ = workload_per_thread;
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}
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static void CheckAvailableStatus();
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static bool IsAvailable() { return available_; }
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private:
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#ifdef PADDLE_WITH_HIP
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bool CheckNVRTCResult(hiprtcResult result, std::string function);
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#else
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bool CheckNVRTCResult(nvrtcResult result, std::string function);
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#endif
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static bool available_;
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bool is_compiled_{false};
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int max_threads_{0};
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int num_threads_{1024};
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int workload_per_thread_{1};
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std::vector<char> ptx_;
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#ifdef PADDLE_WITH_HIP
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hipModule_t module_;
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hipFunction_t function_;
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#else
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CUmodule module_;
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CUfunction function_;
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#endif
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};
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#endif
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class DeviceCodePool {
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public:
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using DeviceCodeMap =
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std::unordered_map<std::string, std::unique_ptr<DeviceCode>>;
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explicit DeviceCodePool(const std::vector<Place>& places);
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static DeviceCodePool& Instance() {
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PADDLE_ENFORCE_NOT_NULL(
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pool,
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errors::NotFound("Need to create DeviceCodePool first, by calling "
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"DeviceCodePool::Init(places)!"));
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return *pool;
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}
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static DeviceCodePool& Init(const std::vector<Place>& places) {
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if (pool == nullptr) {
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pool = new DeviceCodePool(places);
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}
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return *pool;
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}
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void Set(std::unique_ptr<DeviceCode>&& code);
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DeviceCode* Get(const Place& place, const std::string& name);
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size_t size(const Place& place) const {
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auto iter = device_codes_.find(place);
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if (iter == device_codes_.end()) {
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return 0;
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}
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return iter->second.size();
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}
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private:
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static DeviceCodePool* pool;
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std::map<Place, DeviceCodeMap> device_codes_;
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DISABLE_COPY_AND_ASSIGN(DeviceCodePool);
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};
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} // namespace phi
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