【Fortran】CUDA+PGI Fortran安装教程

lspci | grep -i nvidia
# result :
01:00.0 VGA compatible controller: NVIDIA Corporation GM206 [GeForce GTX 960] (rev a1)
01:00.1 Audio device: NVIDIA Corporation Device 0fba (rev a1)

1.1.2 验证是否具有受支持的Linux版本

uname -m && cat /etc/*release
# result :
x86_64
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=16.04
DISTRIB_CODENAME=xenial
DISTRIB_DESCRIPTION="Ubuntu 16.04.6 LTS"
NAME="Ubuntu"
VERSION="16.04.6 LTS (Xenial Xerus)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 16.04.6 LTS"
VERSION_ID="16.04"
HOME_URL="http://www.ubuntu.com/"
SUPPORT_URL="http://help.ubuntu.com/"
BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/"
VERSION_CODENAME=xenial
UBUNTU_CODENAME=xenial

1.1.3 验证系统是否已安装gcc

gcc --version
# result :
gcc (Ubuntu 5.4.0-6ubuntu1~16.04.12) 5.4.0 20160609
Copyright (C) 2015 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

1.1.4 验证系统是否安装了正确的内核头文件和开发包

sudo apt-get install linux-headers-$(uname -r)
# result :
Reading package lists... Done
Building dependency tree       
Reading state information... Done
linux-headers-4.4.0-142-generic is already the newest version (4.4.0-142.168).
linux-headers-4.4.0-142-generic set to manually installed.
0 upgraded, 0 newly installed, 0 to remove and 191 not upgraded.

1.2 安装CUDA

1.2.1 关闭nouveau

# 关闭nouveau后需要重启
sudo reboot 
# 检查确保nouveau没有被加载
lsmod | grep nouveau

1.2.2 安装NVIDIA驱动

sudo sh NVIDIA-Linux-x86_64-450.80.02.run
# 查看驱动号
nvidia-smi

1.2.3 安装CUDA

CUDA工具包11.1下载地址：https://developer.nvidia.com/zh-cn/cuda-downloads

根据本机配置选择对应的CUDA工具包：

# 下载CUDA工具包
wget https://developer.download.nvidia.com/compute/cuda/11.1.0/local_installers/cuda_11.1.0_455.23.05_linux.run
# 安装CUDA
sudo sh cuda_11.1.0_455.23.05_linux.run

1.3 安装后设置

环境变量配置：

export PATH=/usr/local/cuda-11.1/bin${PATH:+:${PATH}}
export LD_LIBRARY_PATH=/usr/local/cuda-11.2/lib\
                        ${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}

显卡激活：

# 检查激活状态
systemctl status nvidia-persistenced
# 激活
sudo systemctl enable nvidia-persistenced

1.4 CUDA测试

用cuda自带的测试例子测试cuda：

cd /usr/local/cuda/samples/1_Utilities/deviceQuery
make
./deviceQuery

结果（显卡的一些信息）：

2 PGI Fortran安装

2.0 下载地址

https://www.pgroup.com/support/release_archive.php

2.1 安装PGI

tar -xzcf pgixxx.tar.gz
sudo ./install

根据提示进行下一步操作，完成安装。

2.2 环境变量设置

export PGI=/opt/pgi
MANPATH=$MANPATH:$PGI/linux86-64/13.3/man
export PATH=$PGI/linux86-64/13.3/bin:$PATH
export LD_LIBRARY_PATH=/usr/lib:$PGI/linux86-64/13.3/lib:$LD_LIBRARY_PATH

2.3 PGI测试

b.f90

module b_m
  integer , device :: b_d
end module b_m

a.f90

module a_m
  integer,device :: a_d
  contains
  attributes(global) subroutine aPlusB()
  use b_m
  implicit none
  a_d=a_d+b_d
  end subroutine aPlusB
end module a_m

aPlusB.f90

program twoPlusThree
  use a_m
  use b_m
  implicit none
  integer :: a

  a_d=2
  b_d=3
  call aPlusB <<<1,1>>>()
  a=a_d
  write(*,"('2+3=',i0)") a
end program twoPlusThree

编译：

pgf90 -Mcuda -c b.f90
pgf90 -Mcuda -c a.f90
pgf90 -Mcuda aPlusB.f90 a.o b.o
./a.out

#or
#pgf90 -c b.cuf
#pgf90 -c a.cuf
#pgf90 aPlusB.cuf a.o b.o
#./a.out

结果：

2.4 可能遇到的问题

2.4.1 gcc版本过高

解决方法如下：（手动安装gcc4.4版本）

gcc下载地址：Index of /ubuntu/pool/universe/g/gcc-4.4

sudo dpkg -i gcc-4.4_4.4.7-8ubuntu1_amd64.deb
sudo dpkg -i g++-4.4_4.4.7-8ubuntu1_amd64.deb  libstdc++6-4.4-dev_4.4.7-8ubuntu1_amd64.deb
ls /usr/bin/gcc* -ll

#增加gcc4.4版本的选择
update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.4 50
#切换到4.4版本
update-alternatives --config gcc
#确认当前版本
gcc --version

参考

1、NVIDIA CUDA Installation Guide for Linux Installation Guide Linux :: CUDA Toolkit Documentation

2、NVDIA官网-CUDA Linux安装指南 Installation Guide Linux :: CUDA Toolkit Documentation

3、PGI安装教程 Ubuntu16-PGI编译器(OpenACC)社区版安装教程

4、PGI-Fortran的使用提示 https://www.pgroup.com/resources/openacc_tips_fortran.htm

5、PGI官网安装指南和发行说明 https://www.pgroup.com/resources/docs/20.4/openpower/pgi-release-notes/index.htm

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