---
title: 示例
description: "以KML_BLAS level3中函数sgemm为例，应用程序编写和头文件的引用方式不变，在编译时使用KML_RT动态库即可。"
url: https://www.hikunpeng.com/document/detail/zh/hpchistory/hpckit/develop2400/kunpengaccel_kml_1035.html
sourcePath: /source/zh/hpchistory/hpckit/develop2400/kunpengaccel_kml_1035.html
indexId: 13a5ed16d0cb5f00f5cf727bdefaff01c9348183e4c6fda7e3acf64ddb6bfea567
---
# 示例

以KML_BLAS level3中函数sgemm为例，应用程序编写和头文件的引用方式不变，在编译时使用KML_RT动态库即可。

#### 依赖

#include "kblas.h"


#### 示例

main.c：

```
int m = 4, k = 3, n = 4, lda = 4, ldb = 3, ldc = 4;
float alpha = 1.0, beta = 2.0;
/*
* A:
*     0.340188,       0.411647,       -0.222225,
*     -0.105617,      -0.302449,      0.053970,
*     0.283099,       -0.164777,      -0.022603,
*     0.298440,       0.268230,       0.128871,
* B:
*     -0.135216,      0.416195,       -0.358397,      -0.257113,
*     0.013401,       0.135712,       0.106969,       -0.362768,
*     0.452230,       0.217297,       -0.483699,      0.304177,
* C:
*     -0.343321,      0.498924,       0.112640,       -0.006417,
*     -0.099056,      -0.281743,      -0.203968,      0.472775,
*     -0.370210,      0.012932,       0.137552,       -0.207483,
*     -0.391191,      0.339112,       0.024287,       0.271358,
*/
float a[12] = {0.340188, -0.105617, 0.283099,
0.298440, 0.411647, -0.302449,
-0.164777, 0.268230, -0.222225,
0.053970, -0.022603, 0.128871};
float b[12] = {-0.135216, 0.013401, 0.452230, 0.416195,
0.135712, 0.217297, -0.358397, 0.106969,
-0.483699, -0.257113, -0.362768, 0.304177};
float c[16] = {-0.343321, -0.099056, -0.370210, -0.391191,
0.498924, -0.281743, 0.012932, 0.339112,
0.112640, -0.203968, 0.137552, 0.024287,
-0.006417, 0.472775, -0.207483, 0.271358};
cblas_sgemm(CblasColMajor,CblasNoTrans,CblasNoTrans, m, n, k, alpha, a, lda, b, ldb, beta, c, ldc);
/*
* Output C:
*     -0.827621       1.147010        0.254881        -0.317229
*     -0.163476       -0.636762       -0.428542       1.098841
*     -0.791128       0.116416        0.166949        -0.434854
*     -0.760862       0.866839        -0.092028       0.407877
*
*/
```


#### 编译

```
gcc main.c -o main -I /usr/local/kml/include -L /usr/local/kml/lib -lkml_rt
```