[Beowulf] hpl - large problems fail
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Paul Johnson redboots at ufl.eduThu Mar 10 12:00:23 PST 2005
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All: I have a 4 node cluster(dont snicker :) ) and Im trying to do some benchmarking with HPL. I want to test 2 of the nodes with 1Gb of ram each. I calculated the maximum problem size that can fit in 2Gb and still allow for memory for the operating system. That came out to be around 14500x14500. When I run that size of a test it always fails. The largest problem that I can test and not have it fail on me is 12500x12500. What is the reason behind this? Im confused on what is going on here. Thanks for any help. Regards, Paul -- Paul Johnson Graduate Student - Mechanical Engineering University of Florida - Gainesville, Fl http://plaza.ufl.edu/redboots Reclaim Your Inbox! http://www.mozilla.org/products/thunderbird
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