You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
116 lines
3.2 KiB
116 lines
3.2 KiB
/* Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License. */
|
|
|
|
#pragma once
|
|
|
|
#include <map>
|
|
#include <memory>
|
|
#include <string>
|
|
#include <unordered_map>
|
|
#include <vector>
|
|
#include "paddle/fluid/platform/device_context.h"
|
|
#ifdef PADDLE_WITH_CUDA
|
|
#include "paddle/fluid/platform/dynload/cuda_driver.h"
|
|
#include "paddle/fluid/platform/dynload/nvrtc.h"
|
|
#endif
|
|
|
|
namespace paddle {
|
|
namespace platform {
|
|
|
|
class DeviceCode {
|
|
public:
|
|
virtual ~DeviceCode() {}
|
|
virtual bool Compile(bool include_path = false) = 0;
|
|
virtual void Launch(const size_t n, std::vector<void*>* args) const = 0;
|
|
|
|
Place GetPlace() const { return place_; }
|
|
std::string GetName() const { return name_; }
|
|
|
|
protected:
|
|
Place place_;
|
|
std::string name_;
|
|
std::string kernel_;
|
|
};
|
|
|
|
#ifdef PADDLE_WITH_CUDA
|
|
class CUDADeviceCode : public DeviceCode {
|
|
public:
|
|
explicit CUDADeviceCode(const Place& place, const std::string& name,
|
|
const std::string& kernel);
|
|
bool Compile(bool include_path = false) override;
|
|
void Launch(const size_t n, std::vector<void*>* args) const override;
|
|
|
|
void SetNumThreads(int num_threads) { num_threads_ = num_threads; }
|
|
void SetWorkloadPerThread(int workload_per_thread) {
|
|
workload_per_thread_ = workload_per_thread;
|
|
}
|
|
|
|
private:
|
|
bool CheckNVRTCResult(nvrtcResult result, std::string function);
|
|
bool CheckCUDADriverResult(CUresult result, std::string function);
|
|
|
|
bool is_compiled_{false};
|
|
int max_threads_{0};
|
|
int num_threads_{1024};
|
|
int workload_per_thread_{1};
|
|
std::vector<char> ptx_;
|
|
CUmodule module_;
|
|
CUfunction function_;
|
|
};
|
|
#endif
|
|
|
|
class DeviceCodePool {
|
|
public:
|
|
using DeviceCodeMap =
|
|
std::unordered_map<std::string, std::unique_ptr<DeviceCode>>;
|
|
|
|
explicit DeviceCodePool(const std::vector<platform::Place>& places);
|
|
|
|
static DeviceCodePool& Instance() {
|
|
PADDLE_ENFORCE_NOT_NULL(
|
|
pool,
|
|
errors::NotFound("Need to create DeviceCodePool first, by calling "
|
|
"DeviceCodePool::Init(places)!"));
|
|
return *pool;
|
|
}
|
|
|
|
static DeviceCodePool& Init(const std::vector<platform::Place>& places) {
|
|
if (pool == nullptr) {
|
|
pool = new DeviceCodePool(places);
|
|
}
|
|
return *pool;
|
|
}
|
|
|
|
void Set(std::unique_ptr<DeviceCode>&& code);
|
|
|
|
platform::DeviceCode* Get(const platform::Place& place,
|
|
const std::string& name);
|
|
|
|
size_t size(const platform::Place& place) const {
|
|
auto iter = device_codes_.find(place);
|
|
if (iter == device_codes_.end()) {
|
|
return 0;
|
|
}
|
|
return iter->second.size();
|
|
}
|
|
|
|
private:
|
|
static DeviceCodePool* pool;
|
|
std::map<Place, DeviceCodeMap> device_codes_;
|
|
DISABLE_COPY_AND_ASSIGN(DeviceCodePool);
|
|
};
|
|
|
|
} // namespace platform
|
|
} // namespace paddle
|