task8

ex3/code/main.cpp

@@ -1,14 +1,17 @@
+// Compile with "make" / "make run" or
+// g++ *.cpp -O3 -ffast-math -lopenblas -llapacke -o main
+
 
 #include "task_3.h"
 #include "task_4+6.h"
 #include "task_5.h"
 #include "task_7.h"
 #include "timing.h"
+#include <cblas.h>               // cBLAS Library
+#include <lapacke.h>
 
 #include <iomanip>
 #include <iostream>
-#include <cblas.h>               // cBLAS Library
-#include <lapacke.h>
 
 void task_1() {
     printf("\n\n-------------- Task 1 --------------\n\n");
@@ -231,7 +234,7 @@ void task_7() {
     // #################################
     // Benchmark
 
-    cout << fixed << setprecision(4);  // 4 digits after decimal
+    cout << fixed << setprecision(4);
     size_t NLOOPS = 1000;
     cout << "N    = " << "  | 1      | 2      | 4      | 8      | 16     | 32 " << endl;
     cout <<       "---------|--------|--------|--------|--------|--------|-------" << endl;
@@ -248,9 +251,6 @@ void task_7() {
         cout << endl;
     }
     printf("\nFor fixed n, the solution time per rhs does not slow down consistently and scales very well.\nIts faster than expected.");
-
-
-
 }
 
 int main() {

ex3/code/task_3.cpp

@@ -1,7 +1,6 @@
 #include "task_3.h"
 #include <vector>
 #include <cassert>
-#include <iostream>
 #include <cmath>
 using namespace std;
 

ex3/code/task_4+6.cpp

@@ -1,9 +1,9 @@
 #include "task_3.h"
 #include "task_4+6.h"
 #include "timing.h"
+#include <cblas.h>               // cBLAS Library
 #include <vector>
 #include <iostream>
-#include <cblas.h>               // cBLAS Library
 using namespace std;
 
 void print_performance(double sec, size_t memory, size_t flops, unsigned int size) {

ex3/code/task_5.h

@@ -1,5 +1,4 @@
 #pragma once
-
 #include <vector>
 using namespace std;
 

ex3/code/task_7.cpp

@@ -1,9 +1,8 @@
 #include "task_7.h"
-
-#include <iostream>
-#include <vector>
-#include <cmath>
 #include <lapacke.h>
+#include <vector>
+#include <iostream>
+#include <cmath>
 using namespace std;
 
 tuple<vector<double>, vector<double>> init_M(size_t N, size_t Nrhs) {