stuff

04-MatrixAddition (pthread)/matsaddth.c

@@ -1,100 +0,0 @@
-#include <pthread.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-// Value depend on System core
-#define CORE 4
-
-typedef struct matrix
-{
-    int r;
-    int c;
-    int *v;
-} matrix;
-
-matrix A, B, R;
-
-void read_matrix(matrix *m, const char *filename)
-{
-    FILE *f = fopen(filename, "r");
-    fscanf(f, "%d %d", &(m->r), &(m->c));
-    m->v = malloc(sizeof(int) * m->r * m->c);
-    for (int i = 0; i < m->r; i++)
-    {
-        for (int j = 0; j < m->c; j++)
-        {
-            int value;
-            fscanf(f, "%d", &value);
-            m->v[i * m->c + j] = value;
-        }
-    }
-    fclose(f);
-}
-
-void print_matrix(const matrix *m)
-{
-    for (int i = 0; i < m->r; i++)
-    {
-        for (int j = 0; j < m->c; j++)
-        {
-            printf("%d ", m->v[i * m->c + j]);
-        }
-        printf("\n");
-    }
-}
-
-typedef struct thargs
-{
-    int start;
-    int end;
-} thargs;
-
-// Addition of a Matrix
-void *addition(void *arg)
-{
-    thargs *x = (thargs *)arg;
-    // Each thread computes 1/4th of matrix addition
-    for (int i = x->start; i < x->end; i++)
-    {
-        R.v[i] = A.v[i] + B.v[i];
-    }
-}
-
-int main(int argc, char *argv[])
-{
-
-    read_matrix(&A, argv[1]);
-    read_matrix(&B, argv[2]);
-    if (A.r == B.r && A.c == B.c)
-    {
-        R.r = A.r;
-        R.c = A.c;
-        R.v = malloc(sizeof(int) * R.r * R.c);
-    }
-    printf("Matrix A\n");
-    print_matrix(&A);
-    printf("\nMatrix B\n");
-    print_matrix(&B);
-
-    int comps_per_thread = (CORE * 2) / (A.r * A.c);
-    pthread_t thread[CORE * 2];
-    thargs args[CORE * 2];
-    for (int i = 0; i < CORE * 2; i++)
-    {
-        thargs args[i] = {i * comps_per_thread, ((i + 1) * comps_per_thread)};
-        pthread_create(&thread[i], NULL, &addition, &args[i]);
-    }
-
-    // Waiting for join threads after compute
-    for (i = 0; i < CORE * 2; i++)
-    {
-
-        pthread_join(thread[i], NULL);
-    }
-
-    // Display Addition of mat_A and mat_B
-    printf("\nSum of Matrix A and B:\n");
-    print_matrix(&R);
-
-    return 0;
-}