file, which defines the compiler paths and numerical libraries like BLAS, LAPACK, and FFTW. VASP - Vienna Ab initio Simulation Package Prerequisites Source Code: vasp.5.4.4.tar.gz and any applicable patches (e.g., patch.5.4.4.16052018 Compilers: Fortran and C compilers (e.g., MPI Implementation: Intel MPI ( ) or OpenMPI. Numerical Libraries:

module load intel/2023.0 mkl/2023.0 export OMP_NUM_THREADS=$SLURM_CPUS_PER_TASK

VASP (Vienna Ab initio Simulation Package) is one of the most powerful and widely used software packages for electronic structure calculations and quantum-mechanical molecular dynamics. Version 5.4.4, while not the absolute latest release, remains a workhorse in the computational materials science community due to its stability and mature feature set.

Create a small test directory with standard input files ( INCAR , POSCAR , POTCAR , KPOINTS ).