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main
p7cx2jokr 10 months ago
parent c4c31ac07e
commit 0da95cbafa

30
1.cpp

@ -0,0 +1,30 @@
#include <stdio.h>
#include <stdlib.h>
#include <ctime>
#define SIZE 1024
void vector_add(float* A, float* B, float* C, int size){
for(int i=0;i<size;i++){
C[i]=A[i]+B[i];
}
}
int main(){
float A[SIZE],B[SIZE],C[SIZE];
//初始化
srand(time(NULL));
for(int i=0;i<SIZE;i++){
A[i]=rand()%100;
B[i]=rand()%100;
}
//计时并输出
clock_t start=clock();
vector_add(A,B,C,SIZE);
clock_t end=clock();
printf("初始向量加法时间:%f秒\n",(double)(end-start)/CLOCKS_PER_SEC);
return 0;
}
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