Environment Requirements

Table 1 lists the hardware requirements.

**Table 1** Hardware requirements
Item	Description
CPU	Kunpeng 920

Table 2 lists the software requirements.

**Table 2** Software requirements
Item	Version	Download Address
VASP	5.4.4	https://www.vasp.at/
FFTW	3.3.8	http://www.fftw.org/download.html
OpenBLAS	0.3.6	https://github.com/xianyi/OpenBLAS/tree/v0.3.6
ScaLAPACK	2.0.2	http://www.netlib.org/scalapack/
VTST	179	http://theory.cm.utexas.edu/vtsttools/download.html
Wannier90	1.2	https://github.com/wannier-developers/wannier90/archive/refs/tags/v1.2.tar.gz
vasp-small	Test case	-

Table 3 lists the OS requirements.

**Table 3** OS requirements
Item	Version	How to Obtain
CentOS	7.6	https://www.centos.org/download/
Kernel	4.14.0-115	Included in the OS image.

Parent topic: VASP 5.4.4 Porting Guide (CentOS 7.6)