From 933690be278e78a454fcc697005cc71b8f97bac3 Mon Sep 17 00:00:00 2001
From: "lisa.pizzo" <lisa.pizzo@noreply.imsc.uni-graz.at>
Date: Tue, 2 Dec 2025 09:35:37 +0100
Subject: [PATCH] Delete Sheet5/mainEx1.cpp

---
 Sheet5/mainEx1.cpp | 94 ----------------------------------------------
 1 file changed, 94 deletions(-)
 delete mode 100644 Sheet5/mainEx1.cpp

diff --git a/Sheet5/mainEx1.cpp b/Sheet5/mainEx1.cpp
deleted file mode 100644
index c653f76..0000000
--- a/Sheet5/mainEx1.cpp
+++ /dev/null
@@ -1,94 +0,0 @@
-//HOW TO RUN IT ON MY TERMINAL (MAC)
-//export LDFLAGS="-L/opt/homebrew/opt/libomp/lib"
-//export CPPFLAGS="-I/opt/homebrew/opt/libomp/include"
-//clang++ -std=c++17 -O2 -Xpreprocessor -fopenmp $CPPFLAGS main.cpp mylib.cpp -L/opt/homebrew/opt/libomp/lib -lomp -o dotprod
-//./dotprod
-
-#include "check_env.h"
-#include "mylib.h"
-#include <cstdlib>          // atoi()
-#include <cstring>          // strncmp()
-#include <ctime>
-#include <iostream>
-#include <omp.h>            // OpenMP
-#include <sstream>
-#include <string>
-using namespace std;
-
-int main(int argc, char const *argv[])
-{
-    unsigned int N = 5000001;   // smaller default for testing
-    int const NLOOPS = 5;       // smaller loop for quick test
-
-    //##########################################################################
-    // Read Parameter from command line
-    cout << "=== Checking command line parameters ===" << endl;
-    for (int i = 1; i < argc; i++)
-    {
-        string ss(argv[i]);
-        if ("-n"==ss && i + 1 < argc)
-            N = static_cast<unsigned int>(atoi(argv[i + 1]));
-        else
-            cout << "Corect call: " << argv[0] << " -n  <number>\n";
-    }
-    cout << "\nVector size N = " << N << endl;
-
-    //##########################################################################
-    check_env(argc, argv);
-
-    //##########################################################################
-    cout << "\n=== Starting OpenMP test ===" << endl;
-    int nthreads;
-    #pragma omp parallel default(none) shared(cout,nthreads)
-    {
-        int const th_id  = omp_get_thread_num();
-        int const nthrds = omp_get_num_threads();
-        #pragma omp critical
-        cout << "Hello from thread " << th_id << " out of " << nthrds << endl;
-        #pragma omp master
-        nthreads = nthrds;
-    }
-    cout << "Total threads started: " << nthreads << endl;
-
-    //##########################################################################
-    cout << "\n=== Memory allocation ===" << endl;
-    vector<double> x(N), y(N);
-    cout << "Allocated memory for vectors x and y (" << N << " doubles each)" << endl;
-
-    //##########################################################################
-    cout << "\n=== Data initialization ===" << endl;
-    for (unsigned int i = 0; i < N; ++i)
-    {
-        x[i] = i + 1;
-        y[i] = 1.0 / x[i];
-    }
-    cout << "Vectors initialized: x[i] = i+1, y[i] = 1/x[i]" << endl;
-
-    //##########################################################################
-    cout << "\n=== Start Benchmarking inner product ===" << endl;
-    double tstart = omp_get_wtime();
-    double sk(0.0);
-    for (int i = 0; i < NLOOPS; ++i)
-    {
-        sk = scalar(x, y);
-        sk = scalar_trans(x, y);
-    }
-    double t1 = (omp_get_wtime() - tstart) / NLOOPS;
-    cout << "<x, y> = " << sk << endl;
-    if (static_cast<unsigned int>(sk) != N)
-        cout << "!! WRONG result !!" << endl;
-
-    cout << "Timing (average per loop) in sec: " << t1 << endl;
-    cout << "GFLOPS: " << 2.0 * N / t1 / 1024 / 1024 / 1024 << endl;
-    cout << "Memory throughput (GiByte/s): " << 2.0 * N / t1 / 1024 / 1024 / 1024 * sizeof(x[0]) << endl;
-
-    //##########################################################################
-    cout << "\n=== Testing reduction_vec (combining vectors across threads) ===" << endl;
-    cout << "Each thread initializes a vector of size 100; then vectors are combined." << endl;
-    auto vr = reduction_vec(100);
-    cout << "Resulting combined vector:" << endl;
-    cout << vr << endl;
-
-    cout << "\n=== Program finished ===" << endl;
-    return 0;
-}