DocumentCode :
2584937
Title :
Optimised global reduction on QsNetII
Author :
Roweth, Duncan ; Pittman, Ashley
Author_Institution :
Quadrics Ltd., Bristol, UK
fYear :
2005
fDate :
17-19 Aug. 2005
Firstpage :
23
Lastpage :
28
Abstract :
In this paper we describe how QsNetII supports reduction, a key collective for massively parallel applications. Results from jobs run on a 512-node quad CPU cluster show excellent scaling, with the average time to execute a 2048 process global sum being 22 microsecs.
Keywords :
microprocessor chips; parallel architectures; reduced instruction set computing; workstation clusters; 2048 processor; QsNet; cluster; optimisation; parallel application; Bandwidth; Broadcasting; Communication switching; Communication system control; Delay; Engines; Hardware; Protocols; SDRAM; Switches;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
High Performance Interconnects, 2005. Proceedings. 13th Symposium on
ISSN :
1550-4794
Print_ISBN :
0-7695-2449-4
Type :
conf
DOI :
10.1109/CONECT.2005.28
Filename :
1544573
Link To Document :
https://search.ricest.ac.ir/dl/search/defaultta.aspx?DTC=49&DC=2584937
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