142 lines
5.0 KiB
C++
142 lines
5.0 KiB
C++
#include <iostream>
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#include <chrono>
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#include <windows.h>
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#include <shellapi.h>
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#include <fstream>
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#include <string>
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#include <sstream>
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#include <thread>
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#include <mutex>
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using namespace std;
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void writeToFile(const string& filePath, const string& content, ios_base::openmode mode = ios::out);
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void writeToFileFilePointer(const char* filePath, const char* content, const char* mode);
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void withStdString(int argc, char* argv[]);
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void withStdStringThreaded(int argc, char* argv[]);
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mutex m;
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int main(int argc, char* argv[]) {
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withStdStringThreaded(argc, argv);
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return 0;
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}
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void withStdStringThreaded(int argc, char* argv[]) {
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chrono::steady_clock::time_point begin = chrono::steady_clock::now();
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for (int i = 0; i < argc; ++i) {
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cout << i << "\t" << argv[i] << endl;
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}
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thread* t = nullptr;
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const long long maxNumber = atoll(1[argv]);
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const string filePath = 2[argv];
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string firstPrint = "def isEvenNumber(number):\n\tif number == 0: return True\n";
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writeToFile(filePath, firstPrint, ios::trunc); // Schreiben in die Datei, "w" entspricht truncating
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string statementsString;
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int statements = 0;
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long long sumOfStatements = 0;
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for (long long x = 1; x <= maxNumber; ++x) {
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statementsString += "\tif number == " + to_string(x) + ": return " + ((x & 1) == 0 ? "True" : "False") + "\n";
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++statements;
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++sumOfStatements;
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if (statements == 1000000) {
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if (t) {
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t->join();
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t = nullptr;
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}
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t = new thread(writeToFile, filePath, statementsString, ios::app);
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statementsString = "";
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statements = 0;
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printf("\r%12lld von %lld (%6.2f%%)", sumOfStatements, maxNumber, ((double)sumOfStatements / maxNumber) * 100);
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}
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}
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if (!statementsString.empty()) {
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if (t) {
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t->join();
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t = nullptr;
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}
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t = new thread(writeToFile, filePath, statementsString, ios::app);
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}
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if (t) {
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t->join();
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t = nullptr;
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printf("\r%12lld von %lld (%6.2f%%)", sumOfStatements, maxNumber, ((double)sumOfStatements / maxNumber) * 100);
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}
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chrono::steady_clock::time_point end = chrono::steady_clock::now();
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cout << "\nTime difference = " << chrono::duration_cast<chrono::seconds>(end - begin).count() << "[s]" << endl;
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cout << "Time difference = " << chrono::duration_cast<chrono::milliseconds>(end - begin).count() << "[ms]" << endl;
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cout << "Time difference = " << chrono::duration_cast<chrono::microseconds>(end - begin).count() << "[micro seconds]" << endl;
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cout << "Time difference = " << chrono::duration_cast<chrono::nanoseconds> (end - begin).count() << "[ns]" << endl;
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}
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void withStdString(int argc, char* argv[]) {
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chrono::steady_clock::time_point begin = chrono::steady_clock::now();
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for (int i = 0; i < argc; ++i) {
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cout << i << "\t" << argv[i] << endl;
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}
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const long long maxNumber = atoll(1[argv]);
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const string filePath = 2[argv];
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string firstPrint = "def isEvenNumber(number):\n\tif number == 0: return True\n";
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writeToFile(filePath, firstPrint, ios::trunc); // Schreiben in die Datei, "w" entspricht truncating
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string statementsString;
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int statements = 0;
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long long sumOfStatements = 0;
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for (long long x = 1; x <= maxNumber; ++x) {
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statementsString += "\tif number == " + to_string(x) + ": return " + ((x & 1) == 0 ? "True" : "False") + "\n";
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++statements;
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++sumOfStatements;
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if (statements == 10000000) {
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writeToFile(filePath, statementsString, ios::app);
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statementsString = "";
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statements = 0;
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printf("\r%12lld von %lld (%6.2f%%)", sumOfStatements, maxNumber, ((double)sumOfStatements / maxNumber) * 100);
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}
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}
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if (!statementsString.empty()) {
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writeToFile(filePath, statementsString, ios::app);
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printf("\r%12lld von %lld (%6.2f%%)", sumOfStatements, maxNumber, ((double)sumOfStatements / maxNumber) * 100);
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}
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chrono::steady_clock::time_point end = chrono::steady_clock::now();
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cout << "Time difference = " << chrono::duration_cast<chrono::seconds>(end - begin).count() << "[s]" << endl;
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cout << "Time difference = " << chrono::duration_cast<chrono::milliseconds>(end - begin).count() << "[ms]" << endl;
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cout << "Time difference = " << chrono::duration_cast<chrono::microseconds>(end - begin).count() << "[micro seconds]" << endl;
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cout << "Time difference = " << chrono::duration_cast<chrono::nanoseconds> (end - begin).count() << "[ns]" << endl;
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}
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void writeToFileFilePointer(const char* filePath, const char* content, const char* mode) {
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FILE* fptr;
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fptr = fopen(filePath, mode);
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if (fptr != nullptr) {
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fprintf(fptr, content);
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fclose(fptr);
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}
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}
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void writeToFile(const string& filePath, const string& content, ios_base::openmode mode) {
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m.lock();
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ofstream outFile(filePath, mode);
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if (outFile.is_open()) {
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outFile << content;
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outFile.close();
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}
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m.unlock();
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} |