diff --git a/step2 b/step2
new file mode 100644
index 0000000..833bb2c
--- /dev/null
+++ b/step2
@@ -0,0 +1,34 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <ctime>
+#include <arm_neon.h>
+
+#define SIZE 1024
+
+void inArry(float a[]) {
+	srand(time(NULL));
+	for (int i = 0; i < SIZE; i++)
+	{
+		a[i] = rand() % 100;
+	}
+}
+
+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], B[SIZE], C[SIZE];
+	inArry(A);
+	inArry(B);
+	clock_t start = clock();
+	vector_add_optimized(A, B, C, SIZE);
+	clock_t end = clock();
+	printf("%f", (double)(end - start) / CLOCKS_PER_SEC);
+}