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Design and implementation of Open-MX: High-performance message passing over generic Ethernet hardware

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1 Author(s)
Brice Goglin ; Laboratoire Bordelais de Recherche en Informatique, INRIA Bordeaux - Sud-Ouest - France

Open-MX is a new message passing layer implemented on top of the generic Ethernet stack of the Linux kernel. It provides high-performance communication on top of any Ethernet hardware while exhibiting the Myrinet Express application interface. Open-MX also enables wire- interoperability with Myricom's MXoE hosts. This article presents the design of the Open-MX stack which reproduces the MX firmware in a Linux driver. MPICH-MX and PVFS2 layers are already able to work flawlessly on Open-MX. The first performance evaluation shows interesting latency and bandwidth results on 1 and 10 gigabit hardware.

Published in:

Parallel and Distributed Processing, 2008. IPDPS 2008. IEEE International Symposium on

Date of Conference:

14-18 April 2008