Vasp 5.4.4 Installation ((install)) May 2026

The Definitive Guide to Installing VASP 5.4.4 on Linux Clusters

5. Compilation

VASP 5.4.4 builds three main executables:

  1. std – standard version
  2. gam – gamma‑only version (faster for large cells)
  3. ncl – non‑collinear / spin‑orbit coupling version

Flags for optimization

FFLAGS = -O2 -assume byterecl -xHost -heap-arrays 64 OFLAG = -O2 OFLAG_IN = $(OFLAG) DEBUG = -O0 -g -traceback vasp 5.4.4 installation

Prerequisites

Before beginning, ensure you have the following: The Definitive Guide to Installing VASP 5

  1. VASP Source Code: vasp.5.4.4.tar.gz (usually downloaded from the VASP portal).
  2. License: You must have a valid license to download and use the software.
  3. Compilers: Intel Fortran Compiler (ifort/icx) or GCC (gfortran).
  4. Libraries:
    • MPI Implementation (Intel MPI, OpenMPI, or MPICH).
    • Math Libraries (Intel MKL is highly recommended).
    • FFTW (if not using MKL).

BLAS/LAPACK/FFTW via MKL

LLIBS = -mkl=parallel