commit

benchmarks/bench_dot.c

@@ -0,0 +1,84 @@
+#include <time.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "../src/lina.h"
+
+#define A_ROWS 1000llu
+#define A_COLS 146llu
+
+#define B_ROWS 146llu
+#define B_COLS 1024llu
+
+uint64_t nanos();
+
+int main()
+{
+    uint64_t ops = A_ROWS*B_COLS*2*A_COLS;
+    uint64_t start,stop,lina_dot_time, lina_dot_mod1_time, lina_dot_mod1_1_time, lina_dot_mod2_time;
+    double *A = (double *)malloc(sizeof(double)*A_ROWS*A_COLS);
+    double *B = (double *)malloc(sizeof(double)*B_ROWS*B_COLS);
+
+    double *C1 = (double *)malloc(sizeof(double)*A_ROWS*B_COLS);
+    double *C2 = (double *)malloc(sizeof(double)*A_ROWS*B_COLS);
+    double *C3 = (double *)malloc(sizeof(double)*A_ROWS*B_COLS);
+    double *C4 = (double *)malloc(sizeof(double)*A_ROWS*B_COLS);
+    
+    for (int i = 0; i < A_ROWS*A_COLS; i++)
+        A[i] = (double)(rand()%10);
+    for (int i = 0; i < B_ROWS*B_COLS; i++)
+        B[i] = (double)(rand()%10);
+    for (int i = 0; i < A_ROWS*B_COLS; i++)
+    {
+        C1[i] = (double)(rand()%10);
+        C2[i] = (double)(rand()%10);
+        C3[i] = (double)(rand()%10);
+        C4[i] = (double)(rand()%10);
+    }
+
+    start = nanos();
+    lina_dot(A,B,C1,A_ROWS,A_COLS,B_COLS);
+    stop = nanos();
+
+    lina_dot_time = stop-start;
+    
+    start = nanos();
+    lina_dot_mod1(A,B,C2,A_ROWS,A_COLS,B_COLS);
+    stop = nanos();
+
+    lina_dot_mod1_time = stop-start;
+
+    start = nanos();
+    lina_dot_mod2(A,B,C3,A_ROWS,A_COLS,B_COLS);
+    stop = nanos();
+
+    lina_dot_mod2_time = stop-start;
+
+    start = nanos();
+    lina_dot_mod2_old(A,B,C4,A_ROWS,A_COLS,B_COLS);
+    stop = nanos();
+
+    lina_dot_mod1_1_time = stop-start;
+
+    if(!memcmp(C1,C2,sizeof(double)*A_ROWS*B_COLS) && !memcmp(C2,C3,sizeof(double)*A_ROWS*B_COLS) && !memcmp(C3,C4,sizeof(double)*A_ROWS*B_COLS))
+    {
+        printf( "lina_dot     : %f GFLOPS\n"
+                "lina_dot_mod1: %f GFLOPS\n"
+                "lina_dot_mod2: %f GFLOPS\n"
+                "lina_dot_mod2_old: %f GFLOPS\n", (double)ops/lina_dot_time,
+                                                (double)ops/lina_dot_mod1_time,
+                                                (double)ops/lina_dot_mod2_time,
+                                                (double)ops/lina_dot_mod1_1_time);
+        
+    }
+    else
+        printf("ERRORE: i prodotti matriciali sono diversi!\n");
+    
+    free(A);
+    free(B);
+    free(C1);
+    free(C2);
+    free(C3);
+    free(C4);
+}