You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
55 lines
1.3 KiB
55 lines
1.3 KiB
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <time.h>
|
|
#include <arm_neon.h>
|
|
|
|
#define SIZE 1024
|
|
|
|
void matmul(float** A, float** B, float** C, int n) {
|
|
for (int i = 0; i < n; i++) {
|
|
for (int j = 0; j < n; j++) {
|
|
float sum = 0.0;
|
|
for (int k = 0; k < n; k++) {
|
|
sum += A[i][k] * B[k][j];
|
|
}
|
|
C[i][j] = sum;
|
|
}
|
|
}
|
|
}
|
|
|
|
int main() {
|
|
float** A = (float**)malloc(SIZE * sizeof(float*));
|
|
float** B = (float**)malloc(SIZE * sizeof(float*));
|
|
float** C = (float**)malloc(SIZE * sizeof(float*));
|
|
|
|
for (int i = 0; i < SIZE; i++) {
|
|
A[i] = (float*)malloc(SIZE * sizeof(float));
|
|
B[i] = (float*)malloc(SIZE * sizeof(float));
|
|
C[i] = (float*)malloc(SIZE * sizeof(float));
|
|
}
|
|
|
|
srand(time(NULL));
|
|
for (int i = 0; i < SIZE; i++) {
|
|
for (int j = 0; j < SIZE; j++) {
|
|
A[i][j] = rand() % 100;
|
|
B[i][j] = rand() % 100;
|
|
}
|
|
}
|
|
|
|
clock_t start = clock();
|
|
matmul(A, B, C, SIZE);
|
|
clock_t end = clock();
|
|
|
|
printf("»ù´¡¾ØÕó³Ë·¨ºÄʱ: %lf ºÁÃë\n", 1000.0 * (end - start) / CLOCKS_PER_SEC);
|
|
|
|
for (int i = 0; i < SIZE; i++) {
|
|
free(A[i]);
|
|
free(B[i]);
|
|
free(C[i]);
|
|
}
|
|
free(A);
|
|
free(B);
|
|
free(C);
|
|
return 0;
|
|
}
|