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Environment Requirements

Hardware Requirements

Table 1 lists the hardware requirements.

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

Software Requirements

Table 2 lists the software requirements.

**Table 2** Software requirements
Item	Version	Download URL
BiSheng Compiler	1.3.1	https://mirrors.huaweicloud.com/kunpeng/archive/compiler/bisheng_compiler/bisheng-compiler-1.3.1-aarch64-linux.tar.gz
Hyper MPI	1.0.2	https://repo.huaweicloud.com/hmpi/HMPI_1.0.2_aarch64.tar.gz
CMake	3.16.5	https://cmake.org/files/v3.16/cmake-3.16.5.tar.gz
Boost	1.72.0	https://boostorg.jfrog.io/artifactory/main/release/1.72.0/source/boost_1_72_0.tar.gz
ecFlow	5.5.2	https://confluence.ecmwf.int/download/attachments/8650755/ecFlow-5.5.2-Source.tar.gz

OS Requirements

Table 3 lists the OS requirements.

**Table 3** OS requirements
Item	Version	Download URL
openEuler	openEuler 20.03 LTS SP1	https://repo.openeuler.org/openEuler-20.03-LTS-SP1/
Kernel	4.19	Included in the OS image

Parent topic: ecFlow 5.5.2 Porting Guide (openEuler 20.03)