From c651364527a4b114d94e3a5b32fb0230f757ac28 Mon Sep 17 00:00:00 2001
From: pmfsq5yrv <1159971203@qq.com>
Date: Sat, 23 Nov 2024 16:10:03 +0800
Subject: [PATCH] ADD file via upload
---
Yang/1.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 48 insertions(+)
create mode 100644 Yang/1.c
diff --git a/Yang/1.c b/Yang/1.c
new file mode 100644
index 0000000..cb92f06
--- /dev/null
+++ b/Yang/1.c
@@ -0,0 +1,48 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+#define SIZE 10000000
+
+void vectorAdd(float* A, float* B, float* C, int size) {
+ int i;
+ for (i = 0; i < size; ++i) {
+ C[i] = A[i] + B[i];
+ }
+}
+
+int main() {
+ float* A = (float*)malloc(SIZE * sizeof(float));
+ float* B = (float*)malloc(SIZE * sizeof(float));
+ float* C = (float*)malloc(SIZE * sizeof(float));
+ if (A == NULL || B == NULL || C == NULL) {
+ return 1;
+ }
+
+ // float A[SIZE], B[SIZE], C[SIZE];
+ srand((unsigned)time(NULL));
+ int i;
+ for (i = 0; i < SIZE; ++i) {
+ A[i] = rand() % 100;
+ B[i] = rand() % 100;
+ }
+
+
+ clock_t start_time = clock();
+
+ vectorAdd(A, B, C, SIZE);
+
+ clock_t end_time = clock();
+ double time = (double)(end_time - start_time) / CLOCKS_PER_SEC;
+
+ printf("%f\n", time);
+
+ // for (i = 0; i < SIZE; ++i) {
+ // printf("A[%d] + B[%d] = C[%d] -> %f + %f = %f\n", i, i, i, A[i], B[i], C[i]);
+ // }
+
+ free(A);
+ free(B);
+ free(C);
+ return 0;
+}