int main(int argc, char* argv[])
{
double before, after;
int M = atoi(argv[1]);
int N = atoi(argv[2]);
int P = atoi(argv[3]);
int **A = Allocate2DArray< int >(M, P);
int **B = Allocate2DArray< int >(P, N);
int **C = Allocate2DArray< int >(M, N);
int **C4 = Allocate2DArray< int >(M, N);
int i, j;
for (i = 0; i < M; i++) {
for (j = 0; j < P; j++) {
A[i][j] = ((int)(rand()%100) /10);
}
}
for (i = 0; i < P; i++) {
for (j = 0; j < N; j++) {
B[i][j] = ((int)(rand()%100) / 10.0);
}
}
printf("Execute Standard matmult\n\n");
before = omp_get_wtime();
seqMatMult(M, N, P, A, B, C);
after = omp_get_wtime();
printf("Standard matrix function done in %10f secs\n\n\n",(after - before));
//printf("The number of cores is %d\n",omp_get_num_procs());
omp_set_num_threads(8);
GRAIN = (long)(M*N*2);
before = omp_get_wtime();
matmultS(M, N, P, A, B, C4);
after = omp_get_wtime();
printf("Strassen matrix function done in %10f secs\n\n\n",(after - before));
if (CheckResults(M, N, C, C4))
printf("Error in matmultS\n\n");
else
printf("OKAY\n\n");
Free2DArray(A);
Free2DArray(B);
Free2DArray(C);
Free2DArray(C4);
return 0;
}
int main(int argc, char* argv[])
{
double before, time1, time2;
int M = MM;
int N = NN;
int P = PP;
if (argc != 4) {
printf("Suggested Usage: %s <M> <N> <P> \n", argv[0]);
printf("Using default values\n");
}
else {
M = atoi(argv[1]);
N = atoi(argv[2]);
P = atoi(argv[3]);
}
double **A = Allocate2DArray< double >(M, P);
double **B = Allocate2DArray< double >(P, N);
double **C = Allocate2DArray< double >(M, N);
double **C4 = Allocate2DArray< double >(M, N);
int i, j;
for (i = 0; i < M; ++i) {
for (j = 0; j < P; ++j) {
A[i][j] = 5.0 - ((double)(rand()%100) / 10.0);
}
}
for (i = 0; i < P; ++i) {
for (j = 0; j < N; ++j) {
B[i][j] = 5.0 - ((double)(rand()%100) / 10.0);
}
}
for (i = 0; i < M; ++i) {
for (j = 0; j < N; ++j) {
C[i][j] = 0.0;
C4[i][j] = 0.0;
}
}
printf("Execute Standard matmult M = %d N = %d P = %d\n\n", M, N, P);
before = omp_get_wtime();
seqMatMult(M, N, P, A, B, C);
time1 = omp_get_wtime() - before;
printf("Standard matrix function done in %7.2f secs\n\n\n",(float)time1);
before = omp_get_wtime();
matmultS(M, N, P, A, B, C4);
time2 = omp_get_wtime() - before;
printf("Strassen matrix function done in %7.2f secs\n\n\n",time2);
printf("Checking...");
if (CheckResults(M, N, C, C4))
printf("Error in Strassen Matrix Multiplication\n\n");
else {
printf("OKAY\n\n");
printf("Speedup = %5.1fX\n", time1/time2);
}
Free2DArray< double >(A);
Free2DArray< double >(B);
Free2DArray< double >(C);
Free2DArray< double >(C4);
return 0;
}