a

2025-09-02 19:39:54 +02:00
commit f36572dea6
5 changed files with 760 additions and 0 deletions
--- a/createIsEven/createIsEven.cpp
+++ b/createIsEven/createIsEven.cpp
@@ -0,0 +1,142 @@
+#include <iostream>
+#include <chrono>
+#include <windows.h>
+#include <shellapi.h>
+#include <fstream>
+#include <string>
+#include <sstream>
+#include <thread>
+#include <mutex>
+
+using namespace std;
+void writeToFile(const string& filePath, const string& content, ios_base::openmode mode = ios::out);
+void writeToFileFilePointer(const char* filePath, const char* content, const char* mode);
+void withStdString(int argc, char* argv[]);
+void withStdStringThreaded(int argc, char* argv[]);
+
+mutex m;
+
+int main(int argc, char* argv[]) {
+    withStdStringThreaded(argc, argv);
+    return 0;
+}
+
+void withStdStringThreaded(int argc, char* argv[]) {
+    chrono::steady_clock::time_point begin = chrono::steady_clock::now();
+
+    for (int i = 0; i < argc; ++i) {
+        cout << i << "\t" << argv[i] << endl;
+    }
+
+    thread* t = nullptr;
+    const long long maxNumber = atoll(1[argv]);
+    const string filePath = 2[argv];
+
+    string firstPrint = "def isEvenNumber(number):\n\tif number == 0: return True\n";
+    writeToFile(filePath, firstPrint, ios::trunc); // Schreiben in die Datei, "w" entspricht truncating
+
+    string statementsString;
+    int statements = 0;
+    long long sumOfStatements = 0;
+
+    for (long long x = 1; x <= maxNumber; ++x) {
+        statementsString += "\tif number == " + to_string(x) + ": return " + ((x & 1) == 0 ? "True" : "False") + "\n";
+        ++statements;
+        ++sumOfStatements;
+
+        if (statements == 1000000) {
+            if (t) {
+                t->join();
+                t = nullptr;
+            }
+            t = new thread(writeToFile, filePath, statementsString, ios::app);
+            statementsString = "";
+            statements = 0;
+            printf("\r%12lld von %lld (%6.2f%%)", sumOfStatements, maxNumber, ((double)sumOfStatements / maxNumber) * 100);
+        }
+    }
+
+    if (!statementsString.empty()) {
+        if (t) {
+            t->join();
+            t = nullptr;
+        }
+        t = new thread(writeToFile, filePath, statementsString, ios::app);
+    }
+    if (t) {
+        t->join();
+        t = nullptr;
+        printf("\r%12lld von %lld (%6.2f%%)", sumOfStatements, maxNumber, ((double)sumOfStatements / maxNumber) * 100);
+    }
+
+    chrono::steady_clock::time_point end = chrono::steady_clock::now();
+
+    cout << "\nTime difference = " << chrono::duration_cast<chrono::seconds>(end - begin).count() << "[s]" << endl;
+    cout << "Time difference = " << chrono::duration_cast<chrono::milliseconds>(end - begin).count() << "[ms]" << endl;
+    cout << "Time difference = " << chrono::duration_cast<chrono::microseconds>(end - begin).count() << "[micro seconds]" << endl;
+    cout << "Time difference = " << chrono::duration_cast<chrono::nanoseconds> (end - begin).count() << "[ns]" << endl;
+}
+
+void withStdString(int argc, char* argv[]) {
+    chrono::steady_clock::time_point begin = chrono::steady_clock::now();
+
+    for (int i = 0; i < argc; ++i) {
+        cout << i << "\t" << argv[i] << endl;
+    }
+
+    const long long maxNumber = atoll(1[argv]);
+    const string filePath = 2[argv];
+
+    string firstPrint = "def isEvenNumber(number):\n\tif number == 0: return True\n";
+    writeToFile(filePath, firstPrint, ios::trunc); // Schreiben in die Datei, "w" entspricht truncating
+
+    string statementsString;
+    int statements = 0;
+    long long sumOfStatements = 0;
+
+    for (long long x = 1; x <= maxNumber; ++x) {
+        statementsString += "\tif number == " + to_string(x) + ": return " + ((x & 1) == 0 ? "True" : "False") + "\n";
+        ++statements;
+        ++sumOfStatements;
+
+        if (statements == 10000000) {
+            writeToFile(filePath, statementsString, ios::app);
+            statementsString = "";
+            statements = 0;
+            printf("\r%12lld von %lld (%6.2f%%)", sumOfStatements, maxNumber, ((double)sumOfStatements / maxNumber) * 100);
+        }
+    }
+
+    if (!statementsString.empty()) {
+        writeToFile(filePath, statementsString, ios::app);
+        printf("\r%12lld von %lld (%6.2f%%)", sumOfStatements, maxNumber, ((double)sumOfStatements / maxNumber) * 100);
+    }
+
+    chrono::steady_clock::time_point end = chrono::steady_clock::now();
+
+    cout << "Time difference = " << chrono::duration_cast<chrono::seconds>(end - begin).count() << "[s]" << endl;
+    cout << "Time difference = " << chrono::duration_cast<chrono::milliseconds>(end - begin).count() << "[ms]" << endl;
+    cout << "Time difference = " << chrono::duration_cast<chrono::microseconds>(end - begin).count() << "[micro seconds]" << endl;
+    cout << "Time difference = " << chrono::duration_cast<chrono::nanoseconds> (end - begin).count() << "[ns]" << endl;
+}
+
+
+void writeToFileFilePointer(const char* filePath, const char* content, const char* mode) {
+    FILE* fptr;
+
+    fptr = fopen(filePath, mode);
+    if (fptr != nullptr) {
+        fprintf(fptr, content);
+        fclose(fptr);
+    }
+}
+
+void writeToFile(const string& filePath, const string& content, ios_base::openmode mode) {
+    m.lock();
+    ofstream outFile(filePath, mode);
+    if (outFile.is_open()) {
+        outFile << content;
+        outFile.close();
+    }
+    m.unlock();
+}
--- a/createIsEven/createIsEven.vcxproj
+++ b/createIsEven/createIsEven.vcxproj
@@ -0,0 +1,137 @@
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+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
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+      <Platform>x64</Platform>
+    </ProjectConfiguration>
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+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <VCProjectVersion>17.0</VCProjectVersion>
+    <Keyword>Win32Proj</Keyword>
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+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
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+      <SDLCheck>true</SDLCheck>
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+    <Link>
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+    <Link>
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+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
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--- a/createIsEven/createIsEven.vcxproj.filters
+++ b/createIsEven/createIsEven.vcxproj.filters
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Quelldateien">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
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+    <Filter Include="Ressourcendateien">
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+      <Filter>Quelldateien</Filter>
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