From d584c56c3203503991cd4472e4c3138b8e2a976a Mon Sep 17 00:00:00 2001
From: psc2uwxgy <huowenhui@stu.xjtu.edu.cn>
Date: Fri, 29 Nov 2024 00:09:59 +0800
Subject: [PATCH] ADD file via upload

---
 2.cpp | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 2.cpp

diff --git a/2.cpp b/2.cpp
new file mode 100644
index 0000000..23c3335
--- /dev/null
+++ b/2.cpp
@@ -0,0 +1,31 @@
+#include <arm_neon.h> 
+#include <stdio.h>
+#define SIZE 1024
+#include<ctime>
+#include<iostream>
+#include <stdlib.h>
+#include <time.h>
+
+
+void vector_add_optimized(float* A, float* B, float* C, int size){
+	for(int i=0;i<size;i+=4){
+		float32x4_t vecA=vld1q_f32(&A[i]);
+		float32x4_t vecB=vld1q_f32(&B[i]);
+		float32x4_t vecC=vaddq_f32(vecA,vecB);
+		vst1q_f32(&C[i],vecC);
+	}
+}
+int main(){
+	float A[SIZE];
+	float B[SIZE];
+	float C[SIZE];
+	for(int i=0;i<SIZE;++i){
+		A[i]=(float)rand() / (float)RAND_MAX * 100;
+		B[i]=(float)rand() / (float)RAND_MAX * 100;
+	}
+	clock_t start=clock();
+	vector_add_optimized(A,B,C,SIZE);
+	clock_t end=clock();
+ 	printf("Initial vector addition time: %lf seconds\n", (double)(end - start) / CLOCKS_PER_SEC);
+	return 0;
+}