Title
Total exchange performance modelling under network contention
Abstract
One of the most important collective communication patterns for scientific applications is the many to many, also called complete exchange. Although efficient All-to-All algorithms have been studied for specific networks, general solutions like those found in well known MPI distributions are strongly influenced by the congestion of network resources. In this paper we present our approach to model the performance of the All-to-All collective operation. Our approach consists in identifying a contention factor that characterises the network environment, and using it to augment a contention-free communication model. This approach allows an accurate prediction of the performance of the All-to-All operation over different network environments with a small cost. Indeed, we demonstrate the accuracy of our approach by presenting our experiments with three different network environments, Fast Ethernet, Giga Ethernet and Myrinet.
Year
DOI
Venue
2005
10.1007/11752578_13
PPAM
Keywords
Field
DocType
communication model
Fast Ethernet,Giga-,Computer science,Parallel algorithm,Models of communication,Ethernet,Many-to-many (data model),Myrinet,Message passing,Distributed computing
Conference
Volume
ISSN
ISBN
3911
0302-9743
3-540-34141-2
Citations 
PageRank 
References 
1
0.37
12
Authors
2
Name
Order
Citations
PageRank
Luiz Angelo Steffenel16213.84
Grégory Mounié21289.68