https://github.com/carv-ics-forth/xhc-openmpi

XPMEM-based Hierarchical MPI Collectives
https://github.com/carv-ics-forth/xhc-openmpi

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XPMEM-based Hierarchical MPI Collectives

• Host: GitHub
• URL: https://github.com/carv-ics-forth/xhc-openmpi
• Owner: CARV-ICS-FORTH
• License: bsd-3-clause
• Created: 2022-05-17T08:32:04.000Z (over 2 years ago)
• Default Branch: main
• Last Pushed: 2024-12-11T08:13:12.000Z (29 days ago)
• Last Synced: 2024-12-11T09:21:46.600Z (29 days ago)
• Homepage:
• Size: 5.17 MB
• Stars: 1
• Watchers: 7
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# XPMEM-based Hierarchical Collectives for OpenMPI

This repository is home to the *XPMEM-based Hierarchical Collectives* (XHC)

component for OpenMPI, as well as related software & accompanying material.

### Contents

The various content around our work with XHC and OpenMPI collectives is

organized in multiple **branches** in the current repository.

- [xhc-fresh](https://github.com/CARV-ICS-FORTH/XHC-OpenMPI/tree/xhc-fresh):

The latest version of XHC and accompanying software

- [icpp-23](https://github.com/CARV-ICS-FORTH/XHC-OpenMPI/tree/icpp-23):

Software snapshot and material related to our ICPP 2023 paper (see below)

- [ieee-cluster-22](https://github.com/CARV-ICS-FORTH/XHC-OpenMPI/tree/ieee-cluster-22):

Software snapshot and material related to our IEEE Cluster 2022 paper (see

below)

### Publications

- **Impact of Cache Coherence on the Performance of Shared-Memory based MPI Primitives:

A Case Study for Broadcast on Intel Xeon Scalable Processors**,  

*George Katevenis, Manolis Ploumidis, and Manolis Marazakis*,  

ICPP 2023, Salt Lake City, Utah, USA.  

https://doi.org/10.1145/3605573.3605616

- **A framework for hierarchical single-copy MPI collectives on multicore nodes**,  

*George Katevenis, Manolis Ploumidis, and Manolis Marazakis*,  

IEEE Cluster 2022, Heidelberg, Germany.  

https://ieeexplore.ieee.org/document/9912729

##  Acknowledgments

We thankfully acknowledge the support of the European Commission and the Greek

General Secretariat for Research and Innovation under the EuroHPC Programme

through the **DEEP-SEA** project (GA 955606). National contributions from the

involved state members (including the Greek General Secretariat for Research

and Innovation) match the EuroHPC funding.

This work is partly supported by project **EUPEX**, which has received funding

from the European High-Performance Computing Joint Undertaking (JU) under grant

agreement No 101033975. The JU receives support from the European Union's

Horizon 2020 re-search and innovation programme and France, Germany, Italy,

Greece, United Kingdom, Czech Republic, Croatia.

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Contact: George Katevenis ([email protected]), Manolis Ploumidis ([email protected])  

Computer Architecture and VLSI Systems (CARV) Laboratory, ICS Forth