Installing OpenBLAS

You are advised to use OpenBLAS of the corresponding version. This section provides installation reference of OpenBLAS v 0.3.10. The installation procedure depends on the actual OpenBLAS version and environment.

Procedure

Download the OpenBLAS v0.3.10 source package and decompress it.

wget https://github.com/xianyi/OpenBLAS/archive/v0.3.10.tar.gz -O OpenBLAS-0.3.10.tar.gz
tar -xf OpenBLAS-0.3.10.tar.gz

Go to the OpenBLAS directory.
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cd OpenBLAS-0.3.10

Perform build and installation.

make FC=gfortran USE_OPENMP=1 -j
# By default, OpenBLAS is installed in the /opt/OpenBLAS directory.
make install
# Or run the following command to install it in the specified path.
#make PREFIX=/your_install_path install

Configure the environment variables of the library path.

ln -s /opt/OpenBLAS/lib/libopenblas.so /usr/lib/libopenblas.so
# Configure /etc/profile.
vim /etc/profile
# Add export LD_LIBRARY_PATH=/opt/OpenBLAS/lib:$LD_LIBRARY_PATH to /etc/profile.
source /etc/profile

Check whether the installation is successful.
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cat /opt/OpenBLAS/lib/cmake/openblas/OpenBLASConfigVersion.cmake | grep 'PACKAGE_VERSION "'
If the correct version information is displayed, the installation is successful.

Parent topic: Dependency Installation