Hello BLAS

Simple Installation of OpenBLAS instruction and Test Code

To Install OpenBLAS

1. Define Your installation location.

   mkdir ~/openblas_installation
   cd ~/openblas_installation

2. Clone openblas repo

   git clone git://github.com/xianyi/OpenBLAS.git
   
   cd OpenBLAS

3. Build OpenBLAS

   make FC=gfortran
   make install PREFIX=~/openblas_installation/OpenBLAS/

4. Add configuration to your .bashrc file

   vim .bashrc

   add the following lines to the end:

   export BLAS_HOME="~/openblas_installation/OpenBLAS"
   export BLAS_INC=${BLAS_HOME}/include/
   export BLAS_LIB=${BLAS_HOME}/lib/
   export LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:${BLAS_HOME}/lib/

5. Verify you have g++ installed with

   whereis g++

6. Run chmod +x build.sh && ./build.sh