Update sgemv_bench.c

benchmark/sgemv_bench.c

@@ -7,7 +7,6 @@
 
 int main(int argc, char** argv)
 
-{
 
 double time1, timeg;
 
@@ -46,6 +45,117 @@ memcpy(x, data, n * sizeof(float));
 
 memcpy(y, data, m * sizeof(float));
 
+timeg = 0.;
+  
+for (int i = 0; i < nbIter; ++i)
+{
+begin();
+
+  cblas_sgemv(CblasColMajor, CblasTrans, n, m, 1, mat, n, x, 1, 1, y, 1);
+
+end();
+timeg += getsec();
+
+}
+printf("CPU Time: %10.8f (secs)\n", timeg/(double)nbIter );
+
+free(mat);
+
+free(x);
+
+free(y);
+
+free(data);
+
+}
+
+m = 128;
+
+for (int j = 0; j < 16; ++j) {
+
+n = 16 << j;
+
+// n = m;
+
+printf("-------------\nEvaluating %i iterations for a matrix %ix%i\n", nbIter, m, n);
+
+float *mat, *x, *y;
+
+float *data = (float*) malloc(sizeof(float) * m * n);
+
+for (int i = 0; i < m*n; ++i)
+
+  data[i] = ((float)i) / ((float)(m * n));
+
+
+mat = (float*) malloc(m * n * sizeof(float));
+
+x = (float*) malloc(n*sizeof(float));
+
+y = (float*) malloc(m*sizeof(float));
+
+memcpy(mat, data, m * n * sizeof(float));
+
+memcpy(x, data, n * sizeof(float));
+
+memcpy(y, data, m * sizeof(float));
+
+timeg = 0.;
+  
+for (int i = 0; i < nbIter; ++i)
+{
+begin();
+
+  cblas_sgemv(CblasColMajor, CblasTrans, n, m, 1, mat, n, x, 1, 1, y, 1);
+
+end();
+timeg += getsec();
+
+}
+printf("CPU Time: %10.8f (secs)\n", timeg/(double)nbIter );
+
+free(mat);
+
+free(x);
+
+free(y);
+
+free(data);
+
+}
+
+
+for (int j = 0; j < 16; ++j) {
+
+m = 16 << j;
+
+n = m;
+
+printf("-------------\nEvaluating %i iterations for a matrix %ix%i\n", nbIter, m, n);
+
+float *mat, *x, *y;
+
+float *data = (float*) malloc(sizeof(float) * m * n);
+
+for (int i = 0; i < m*n; ++i)
+
+  data[i] = ((float)i) / ((float)(m * n));
+
+
+mat = (float*) malloc(m * n * sizeof(float));
+
+x = (float*) malloc(n*sizeof(float));
+
+y = (float*) malloc(m*sizeof(float));
+
+memcpy(mat, data, m * n * sizeof(float));
+
+memcpy(x, data, n * sizeof(float));
+
+memcpy(y, data, m * sizeof(float));
+
+timeg = 0.;
+  
 for (int i = 0; i < nbIter; ++i)
 {
 begin();