Cart (Loading....) | Create Account
Close category search window
 

Collective operations for wide-area message passing systems using adaptive spanning trees

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

3 Author(s)
Saito, H. ; Tokyo Univ., Japan ; Taura, K. ; Chikayama, T.

We propose a method for wide-area message passing systems to perform collective operations using dynamically created spanning trees. In our proposal, broadcasts and reductions are performed efficiently using topology-aware spanning trees constructed at run-time; processors autonomously measure latency and bandwidth to create latency-aware trees for short messages and bandwidth-aware trees for long messages. Our spanning trees adapt to topology changes due to the joining or leaving of processors; when processors join or leave a computation, processors repair the spanning trees so that effective execution of collective operations can continue. With 128 to 201 processors distributed over 3 to 4 clusters, the latency of our broadcast was within a factor of 2 of a static topology-aware implementation, and our broadcast achieved 82 percent of the bandwidth of a static topology-aware implementation. Moreover, when some processors joined or left a computation, our broadcast temporarily performed poorly for about 8 seconds while the spanning trees adapted to the new topology, but completed successfully even during this time.

Published in:

Grid Computing, 2005. The 6th IEEE/ACM International Workshop on

Date of Conference:

13-14 Nov. 2005

Need Help?


IEEE Advancing Technology for Humanity About IEEE Xplore | Contact | Help | Terms of Use | Nondiscrimination Policy | Site Map | Privacy & Opting Out of Cookies

A not-for-profit organization, IEEE is the world's largest professional association for the advancement of technology.
© Copyright 2014 IEEE - All rights reserved. Use of this web site signifies your agreement to the terms and conditions.