This command generates three distinct binaries within the bin/ directory:
Version 5.4.4 introduced several transformative features that made it a highly sought-after upgrade from earlier 5.x versions. According to the official release announcement from the VASP development team, the changes are extensive, but several stand out as particularly significant:
Understanding the contents of the vasp.5.4.4.tar.gz archive aids in navigating the codebase for customization and debugging.
Efficient scaling on hundreds of CPU cores, making it ideal for large HPC cluster environments. 5. Frequently Asked Questions vasp.5.4.4.tar.gz
| Executable | Purpose | |------------|---------| | vasp_std | Standard version for most DFT calculations | | vasp_gam | Gamma-point only version (faster for large systems at Γ-point) | | vasp_ncl | Non-collinear version (required for spin-orbit coupling and magnetism) |
I can go deeper into specific parts of the package if you'd like. For instance, are you looking for: Instructions on how to compile this specific version? Help writing a makefile.include for a specific cluster? A guide on how to set up an
Here’s a technical write-up for vasp.5.4.4.tar.gz , suitable for inclusion in a software compilation, installation guide, or release note. This command generates three distinct binaries within the
This will sequentially compile the vasp_std (standard), vasp_gam (gamma-point only, faster for large systems), and vasp_ncl (non-collinear, for magnetism and spin-orbit coupling) executables. After compilation finishes, the three executables will be located in the newly created bin/ directory, and you can add this path to your $PATH environment variable.
Whether you are setting it up for the first time or migrating to a new cluster, 1. Extracting the Source
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 Help writing a makefile
While VASP 6 is the current major release, version 5.4.4 remains a "workhorse" in the community because it is highly optimized and compatible with older workflows. Electronic Structure : Calculates the electronic properties of materials like band structures and density of states (DOS). [29] PAW Method
Robust support for advanced exchange-correlation functionals like HSE06, PBE0, and B3LYP, which provide accurate electronic band gaps.
VASP 5.4.4 uses a modular makefile system. Templates for various architectures are located in the arch/ directory. Copy the template that matches your system to the root directory: cp arch/makefile.include.linux_intel ./makefile.include Use code with caution.