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https://hdl.handle.net/2440/60282
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Type: | Conference paper |
Title: | Improving parallel system performance by changing the arrangement of the network links |
Author: | Puente, V. Izu, M. Gregorio, J. Beivide, R. Prellezo, J. Vallejo, F. |
Citation: | Proceedings of the 14th International Conference on Supercomputing, 2000;. pp.44-53 |
Publisher: | ICS |
Publisher Place: | New Mexico, USA |
Issue Date: | 2000 |
ISBN: | 1581132700 |
Conference Name: | International Conference on Supercomputing (14th : 2000 : Santa Fe, New Mexico, USA) |
Editor: | Veidenbaum, A. |
Statement of Responsibility: | V. Puente, C. Izu, J.A. Gregorio, R. Beivide, J. M. Prellezo and F. Vallejo |
Abstract: | The Midimew network is an excellent contender for implementing the communication subsystem of a high performance computer. This network is an optimal 2D topology in the sense there are no other symmetric direct networks of degree 4 with a lower average distance or diameter. In fact, it reduces the diameter of the well known torus network by approximately □2. Although the topology was proposed and analyzed a decade ago, the lack of simple deadlock avoidance mechanisms prevented its utilization up to date. This study solved this drawback by applying the Bubble switching mechanism, a low cost deadlock-avoidance strategy developed by the authors. Moreover, by using routing tables we can configure our Virtual Cut-Through adaptive router to implement either a torus or a Midimew network. Thus, we can exploit the topological advantages of Midimew networks by simply changing the disposition of the wrap-around connections of its torus counterpart, without increasing the network implementation cost. To prove this assertion, we have carried out a thorough evaluation, from the hardware cost of the router to the parallel system performance under real loads. |
Rights: | Copyright ACM 2000 |
DOI: | 10.1145/335231.335236 |
Published version: | http://dx.doi.org/10.1145/335231.335236 |
Appears in Collections: | Aurora harvest 5 Computer Science publications |
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