MNN/tools/cpp/Profiler.hpp

83 lines
1.8 KiB
C++

//
// Profiler.hpp
// MNN
//
// Created by MNN on 2019/01/15.
// Copyright © 2018, Alibaba Group Holding Limited
//
#ifndef Profiler_hpp
#define Profiler_hpp
#include <stdio.h>
#include <stdlib.h>
#include <map>
#include <string>
#include <vector>
#include <MNN/Interpreter.hpp>
#include <MNN/Tensor.hpp>
namespace MNN {
/** Profiler for Ops */
class Profiler {
public:
/**
* @brief get shared instance.
*/
static Profiler* getInstance();
/**
* @brief start profiler with op, name and inout tensors.
* @param op given op.
*/
void start(const OperatorInfo* info);
/**
* @brief end profiler with op name and type.
* @param name op name.
*/
void end(const OperatorInfo* info);
/**
* print profiler time result, grouped by type and sorter by time cost.
* @param loops loop count.
*/
void printTimeByType(int loops = 1);
/**
* print profiler time result, grouped and sorter by op name.
* @param loops loop count.
*/
void printTimeByName(int loops = 1);
/**
* print op that flops / time is slow
*/
void printSlowOp(const std::string& type, int topk, float limitRate);
private:
~Profiler() = default;
private:
struct Record {
std::string name;
std::string type;
int64_t order;
int64_t calledTimes;
float costTime;
float flops;
};
static Profiler* gInstance;
uint64_t mStartTime = 0;
uint64_t mEndTime = 0;
float mTotalTime = 0.0f;
float mTotalMFlops = 0.0f;
std::map<std::string, Record> mMapByType;
std::map<std::string, Record> mMapByName;
private:
Record& getTypedRecord(const OperatorInfo* info);
Record& getNamedRecord(const OperatorInfo* info);
};
} // namespace MNN
#endif /* Profiler_hpp */