While VASP is continuously updated, version 5.4.4 remains a "workhorse" version in many high-performance computing (HPC) environments. Key features introduced or stabilized in this branch include:
export FC=mpif90
export F77=mpif77
export CC=mpicc
export CXX=mpicxx
make veryclean make all
vasp.5.4.4.tar.gz is a complete, stable, and well-tested release of VASP suitable for production DFT calculations. It requires a licensed user, a proper Fortran/MPI environment, and moderate HPC resources. While superseded by VASP 6.x for some advanced features, version 5.4.4 remains a robust choice for legacy workflows and benchmark consistency.
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Next review date: Upon release of VASP 5.4.5 or critical patch. vasp.5.4.4.tar.gz
VASP.5.4.4 is a highly stable, widely adopted, and robust version of the Vienna Ab initio Simulation Package (VASP), representing the culmination of the 5.x series before the transition to VASP 6. As of 2026, it remains a heavily utilized, reliable staple in computational materials science for density functional theory (DFT) calculations, particularly in academic research and high-performance computing (HPC) environments. Review of VASP 5.4.4
Stability & Reliability: As a mature release within the 5.x series, 5.4.4 is exceptionally stable compared to newer, feature-heavy versions, making it ideal for production runs requiring consistent results.
Performance: It provides high-efficiency calculations, supporting MPI parallelization and GPU acceleration (specifically optimized for NVIDIA CUDA architectures). While VASP is continuously updated, version 5
Functionality: It supports standard PBE potentials and is fully compatible with common workflows, including AiiDA-VASP for automated high-throughput computing.
Licensing: It is proprietary software, requiring a commercial or academic license contract. Technical Considerations
Installation: Installation requires manually configuring the makefile.include file, typically utilizing Intel compilers and MKL libraries, with options to customize for GPU acceleration. make veryclean
make all
vasp
Patching: Regular patches (such as patch.5.4.4.16052018.gz) are essential to address bugs and improve functionality.
Functionality Gaps: Unlike VASP 6, it lacks native support for some advanced machine-learning potentials and certain newer advanced functionalities. Conclusion
VASP 5.4.4 is a dependable workhorse. While it lacks some modern features found in VASP 6, its maturity and reliability make it excellent for established workflows, large-scale production, and users who prioritize stability over the absolute latest, untested features. To help you better, I can: Provide instructions on installing VASP 5.4.4 on Linux. Suggest how to patch VASP 5.4.4 to the latest level. Compare it to VASP 6 for your specific use case. vasp/5.4.4 intel - GitHub
When extracted (tar -xzvf vasp.5.4.4.tar.gz), the archive creates a directory vasp.5.4.4/ with the following structure:
vasp.5.4.4/
├── arch/ # Architecture-specific makefile templates
├── bin/ # Compiled binaries (after build)
├── build/ # Build system files
├── lib/ # Precompiled external libraries (if included)
├── src/ # Main Fortran source code (*.F, *.f90)
│ ├── main.F
│ ├── electron.F
│ ├── force.F
│ ├── ...
├── testsuite/ # Input/output test examples
├── tools/ # Helper scripts (e.g., for POTCAR generation)
├── makefile # Top-level makefile
├── README # Basic build instructions
├── LICENSE # VASP commercial license terms
└── OUTCAR_release # Example output
vasp.5.4.4.tar.gz is the archived source code distribution of VASP version 5.4.4, a leading electronic structure calculation package based on density functional theory (DFT). This report documents its contents, build requirements, known features, and deployment procedure. Version 5.4.4 is a mature release preceding VASP 6.x, widely used for its stability and compatibility with existing workflows.