ADD file via upload

vector_add.c

@@ -0,0 +1,52 @@
+#define _CRT_SECURE_NO_WARNINGS
+#include <stdio.h>  
+#include <stdlib.h>  
+#include <time.h>    
+#include <arm_neon.h> 
+
+#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];  
+    }
+}
+ 
+void vector_add_optimized(float* A, float* B, float* C, int size) {
+    int i;
+
+    for (i = 0; i <= size - 4; i += 4) {
+        float32x4_t a_vec = vld1q_f32(&A[i]); 
+        float32x4_t b_vec = vld1q_f32(&B[i]);  
+
+        float32x4_t c_vec = vaddq_f32(a_vec, b_vec);  
+
+        vst1q_f32(&C[i], c_vec); 
+    }
+ 
+    for (; i < size; ++i) {
+        C[i] = A[i] + B[i]; 
+    }
+}
+
+int main() {
+    float A[SIZE], B[SIZE], C[SIZE];
+
+    srand(time(NULL)); 
+
+    for (int i = 0; i < SIZE; ++i) {
+        A[i] = rand() % 100;   
+        B[i] = rand() % 100;  
+    }
+
+    clock_t start = clock(); 
+
+    vector_add_optimized(A, B, C, SIZE);
+
+    clock_t end = clock(); 
+
+    double time_taken = (double)(end - start) / CLOCKS_PER_SEC;   
+    printf("NEON优化的向量加法的运行时间: %e 秒\n", time_taken);  
+
+    return 0;
+}