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Newmadeleine: An efficient support for high-performance networks in MPICH2

  • Univ. Bordeaux
  • Argonne National Laboratory

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Résumé

This paper describes how the NewMadeleine communi- cation library has been integrated within the MPICH2 MPI implementation and the benefits brought. NewMadeleine isintegrated as a Nemesis network module but the upper layers and in particular the CH3 layer has been modified. By doing so, we allow NewMadeleine to fully deliver its per-formance to an MPI application. NewMadeleine features sophisticated strategies for sending messages and natively supports multirail network configurations, even heteroge- neous ones. It also uses a software element called PIOMan that uses multithreading in order to enhance reactivity andcreate more efficient progress engines. We show various results that prove that NewMadeleine is indeed well suited as a low-level communication library for building MPI implementations.

langue originaleAnglais
titreIPDPS 2009 - Proceedings of the 2009 IEEE International Parallel and Distributed Processing Symposium
Les DOIs
étatPublié - 25 nov. 2009
Modification externeOui
Evénement23rd IEEE International Parallel and Distributed Processing Symposium, IPDPS 2009 - Rome, Italie
Durée: 23 mai 200929 mai 2009

Série de publications

NomIPDPS 2009 - Proceedings of the 2009 IEEE International Parallel and Distributed Processing Symposium

Une conférence

Une conférence23rd IEEE International Parallel and Distributed Processing Symposium, IPDPS 2009
Pays/TerritoireItalie
La villeRome
période23/05/0929/05/09

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