ghex 0.4.1

Generic Halo Exchanges: Python API

GHEX

Generic exascale-ready library for halo-exchange operations on variety of grids/meshes.

Documentation and instructions at GHEX Documentation.

Installation instructions

Pip Install

python -m venv ghex_venv
. ghex_venv/bin/activate
python -m pip install ghex

Pertinent environment variables

Variable	Allowed Values	Default	Description
GHEX_USE_GPU=	{ON, OFF}	OFF	Enable GPU
GHEX_GPU_TYPE=	{AUTO, NVIDIA, AMD}	AUTO	Choose GPU type
GHEX_GPU_ARCH=	list of archs	"60;70;75;80"/ "gfx900;gfx906"	GPU architecture
GHEX_TRANSPORT_BACKEND=	{MPI, UCX, LIBFABRIC}	MPI	Choose transport backend

Acknowledgements

The development of GHEX was supported partly by The Partnership for Advanced Computing in Europe (PRACE). PRACE is an international non-profit association with its seat in Brussels. The PRACE Research Infrastructure provides a persistent world-class high performance computing service for scientists and researchers from academia and industry in Europe. The computer systems and their operations accessible through PRACE are provided by 5 PRACE members (BSC representing Spain, CINECA representing Italy, ETH Zurich/CSCS representing Switzerland, GCS representing Germany and GENCI representing France). The Implementation Phase of PRACE receives funding from the EU’s Horizon 2020 Research and Innovation Programme (2014-2020) under grant agreement 823767. For more information, see www.prace-ri.eu.