日期: 2019 年 10 月 17 日

树莓派4B使用ARM Compute Library运行AlexNet

# Install Build Tools 
$ pip install scons 

# Reload Environment
$ source ~/.profile

# Clone Compute Library 
$ git clone https://github.com/Arm-software/ComputeLibrary.git 

# or wget https://www.mobibrw.com/wp-content/uploads/2019/10/ComputeLibrary.zip

# Enter ComputeLibrary folder 
$ cd ComputeLibrary  

# Build the library and the examples 
$ scons Werror=1 debug=0 asserts=0 neon=1 opencl=1 examples=1 os=linux arch=armv7a -j4 

# Run on the Raspberry Pi
$ export LD_LIBRARY_PATH=build/ 

# Download AlexNet

# Install unzip
$ sudo apt-get install unzip

# Download the zip file with the AlexNet model, input images and labels
$ wget https://armkeil.blob.core.windows.net/developer/developer/technologies/Machine%20learning%20on%20Arm/Tutorials/Running%20AlexNet%20on%20Pi%20with%20Compute%20Library/compute_library_alexnet.zip

# or wget https://www.mobibrw.com/wp-content/uploads/2019/10/compute_library_alexnet.zip

# Create a new folder
$ mkdir assets_alexnet

# Unzip
$ unzip compute_library_alexnet.zip -d assets_alexnet

$ PATH_ASSETS=./assets_alexnet 

$ ./build/examples/graph_alexnet 0 $PATH_ASSETS  $PATH_ASSETS/go_kart.ppm $PATH_ASSETS/labels.txt

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MySQL 5.7.27创建用户并授权

$ mysql -u root -p

mysql> use mysql;

mysql> select Host,User from mysql.user;

# 创建用户并设置密码
mysql> create user "wordpress" identified by "password";

# MySQL 8使用如下命令
# mysql> create user "wordpress" identified with mysql_native_password by "password";

#更改用户访问是外网访问还是只能本地访问
mysql> update mysql.user set Host="localhost" where User="wordpress";

# 更新密码,5.7的数据库使用'authentication_string'字段替代了'Password'字段
mysql> update user set authentication_string=password("pass") where User="wordpress" and Host="localhost";

# MySQL 8 不能使用上面的命令修改密码，只能在创建的时候设置密码，可以先删除再创建
# drop user "wordpress";

# 如果没这一行可能也会报一个错误，因此需要运行这一行
mysql> update user set plugin="mysql_native_password";

mysql> select Host,User from mysql.user;

# 授予用户访问Wordpress数据库的权限
mysql> grant all privileges on wordpress.* to "wordpress"@"localhost" identified by "pass";

# MySQL 8使用如下命令
# mysql> grant all privileges on wordpress.* to "wordpress";

# 刷新权限
mysql> flush privileges;

参考链接