PAPI Message Passing Library: Comparison of Performance in User and Kernel Level Messaging

Authors:
Eric Renault;Pierre David
Affiliations:
-;-
Venue:
Euro-Par '01 Proceedings of the 7th International Euro-Par Conference Manchester on Parallel Processing
Year:
2001

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Abstract

Most of the recent message passing libraries are built to provide users the best raw performance. Unfortunately, security is often sacrified. PAPI (for PCI-DDC Application Programming Interface) was designed with the goal of providing administrators of clusters implementing the remote-write protocol a single programming interface with different possible levels of security. In this article, we discuss the results obtained on our plateform for both user and kernel level messaging.