[Beowulf] computing on Altix?

Hongmei He H.He at lboro.ac.uk
Fri Sep 9 03:12:37 EDT 2005


Hi,

I submit a task to Altix 350 share memory parallel machine.
The task is to compute a graph, and rquests 6, 9, 12, 16 processors
respectively. The results show that the running time is decreasing with the
rise of the size of processors for same graph, while each processor runs
same program, and communicates with fixed number of neighbours
periodically. why?

any idea? thanks!


Hongmei


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