From 45ef1989c12c8f249b4bb6515962959e288f7b6f Mon Sep 17 00:00:00 2001 From: pjc97uv2f <1291955673@qq.com> Date: Fri, 29 Nov 2024 15:10:02 +0800 Subject: [PATCH] Delete '3' --- 3 | 71 --------------------------------------------------------------- 1 file changed, 71 deletions(-) delete mode 100644 3 diff --git a/3 b/3 deleted file mode 100644 index 9a31f4e..0000000 --- a/3 +++ /dev/null @@ -1,71 +0,0 @@ -#include -#include -#include - - -const int SIZE = 1024; - - -void matmul(float** A, float** B, float** C, int n) { - for (int i = 0; i < n; i++) { - for (int j = 0; j < n; j++) { - float sum = 0; - for (int k = 0; k < n; k++) { - sum += A[i][k] * B[k][j]; - } - C[i][j] = sum; - } - } -} - -int main() { - - float** A = new float* [SIZE]; - for (int i = 0; i < SIZE; i++) { - A[i] = new float[SIZE]; - } - - float** B = new float* [SIZE]; - for (int i = 0; i < SIZE; i++) { - B[i] = new float[SIZE]; - } - - float** C = new float* [SIZE]; - for (int i = 0; i < SIZE; i++) { - C[i] = new float[SIZE]; - } - - - for (int i = 0; i < SIZE; i++) { - for (int j = 0; j < SIZE; j++) { - A[i][j] = (float)(rand() % 100); - B[i][j] = (float)(rand() % 100); - } - } - - clock_t start_time, end_time; - - start_time = clock(); - - - matmul(A, B, C, SIZE); - - - end_time = clock(); - - - double elapsed_time = ((double)(end_time - start_time)) / CLOCKS_PER_SEC; - std::cout << "基础矩阵乘法的运行时间:" << elapsed_time << " 秒" << std::endl; - - - for (int i = 0; i < SIZE; i++) { - delete[] A[i]; - delete[] B[i]; - delete[] C[i]; - } - delete[] A; - delete[] B; - delete[] C; - - return 0; -} \ No newline at end of file