Environment Requirements

**Table 1** x86 environment
Item	Description
Server	x86 VM (KVM)
CPU	Intel Xeon Processor (Skylake, IBRS) 2.1GHz
OS	CentOS 7.6/openEuler 20.03-LTS-SP1/openEuler 22.03
GCC	CentOS 7.6: GCC 4.8.5 openEuler 20.03 LTS SP1: GCC 7.3.0 openEuler 22.03: GCC 10.3.1
Tool	Kunpeng DevKit

**Table 2** Kunpeng platform environment
Item	Description
Server	Kunpeng server
CPU	Kunpeng 920
OS	CentOS 7.6/openEuler 20.03-LTS-SP1/openEuler 22.03
GCC	CentOS 7.6: GCC 4.8.5 openEuler 20.03 LTS SP1: GCC 7.3.0 openEuler 22.03: GCC 10.3.1
Tool	Kunpeng DevKit

This practice uses openEuler 22.03 as an example. The operations on other OSs are similar.

Table 3 lists the software requirements.

**Table 3** Software requirements
Item	Version	Download URL
Open source software Megahit	Megahit 1.2.9	Link

Table 4 lists the OS requirements.

Parent topic: Practice 2: Porting Megahit Source Code