Function NumRecordVsTime

example/Experiment.cpp:140–165

}

void NumRecordVsTime(int numColumn, float threshold, const std::vector<int>& numsRecord, int numRepeat, const int* source, const int* destination, const int* timestamp) {
	const auto time = new long long[numsRecord.size() * numRepeat];
	const auto seed = new int[numRepeat];
	std::for_each(seed, seed + numRepeat, [](int& a) { a = rand(); });
	for (int i = 0; i < numsRecord.size(); i++) {
		for (int j = 0; j < numRepeat; j++) {
			srand(seed[j]);
			// MIDAS::NormalCore midas(2, numColumn);
			// MIDAS::RelationalCore midas(2, numColumn);
			MIDAS::FilteringCore midas(2, numColumn, threshold);
			const auto timeBegin = std::chrono::high_resolution_clock::now();
			for (int k = 0; k < numsRecord[i]; k++)
				midas(source[k], destination[k], timestamp[k]);
			printf("Time%03d = %lldus\n", j, time[i * numRepeat + j] = duration_cast<microseconds>(high_resolution_clock::now() - timeBegin).count());
		}
		printf("// Above results use numRecord = %d\n", numsRecord[i]);
	}
	const auto fileExperimentResult = fopen(SOLUTION_DIR"temp/Experiment.csv", "w");
	fprintf(fileExperimentResult, "numColumn,threshold,numRecord,seed,time\n"); // Microsecond (us), other tests are millisecond (ms)
	for (int i = 0; i < numsRecord.size(); i++)
		for (int j = 0; j < numRepeat; j++)
			fprintf(fileExperimentResult, "%d,%g,%d,%d,%lld\n", numColumn, threshold, numsRecord[i], seed[j], time[i * numRepeat + j]);
	fclose(fileExperimentResult);
	delete[] time;
	delete[] seed;
}

void NumColumnVsTime(int n, const std::vector<int>& numsColumn, float threshold, int numRepeat, const int* source, const int* destination, const int* timestamp) {
	const auto time = new long long[numsColumn.size() * numRepeat];