CMinerSimulatorTest.cpp

//#include <zconf.h>
#include <iostream>
#include <unistd.h>

using std::cout;
using std::endl;
#include "Simulator/CMinerSimulator.h"
#include "Utils/Utils.h"




int main(int argc, char* argv[]) {
//    vector<string> logs = Utils::getRandomLogs(1000);
    for (int fileCacheSize = 1; fileCacheSize <= 50; fileCacheSize ++) {
        CMinerSimulator simulator(fileCacheSize);

        // 获取数据集
        vector<string> logs = simulator.getDataSet("./audit.log", "/user/root/input/sogou/query-log-");

        // 生成关联规则
        simulator.setDataSet(logs);
        simulator.generateRules();

        // 模拟读取数据，利用关联规则提高Cache命中率
        int hitCount = 0;
        int prefetchCount = 0;
        clock_t totalTime = 0;
        for (const string &currentFile : logs) {

            clock_t start = clock();
            string targetFile = simulator.getFileFromCache(currentFile);
            // Miss
            if (targetFile.empty()) {

                // read miss causes prediction
                for (const string &file : simulator.getPredictFiles(currentFile)) {
                    simulator.putFileIntoCache(file, file);
                    prefetchCount ++;
                }
            }
            // Hit
            else {
                hitCount ++;
            }
            clock_t end = clock();
            totalTime += end - start;
        }

        // 输出命中率
        cout << "Cache size: " << fileCacheSize << "\t" << "Hit ratio: " << hitCount * 1.0 / logs.size() << endl;
    }
//    logs.clear();
}