BERT 77: Automatic Parallelizer
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Ole W. Saastad ole at scali.noThu Mar 22 03:05:21 PST 2001
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Hi, I have some questions about the Bert 77 Automatic Parallelizer from Paralogic. (http://www.plogic.com/bert.html) At first sight it looks nice and shiny, but how is the users experience? Many of my colleges run climate models with OpenMP on fast sequential machines and would consider MPI based clusters if they could get some help to make the transition. This tool might be useful as a start to switch from OpenMP or sequential code to MPI based code. The task of converting programs from sequential to parallel is not a trivial one and I am very interested in how well Paralogic's program perform. I test would be to crunch the g98 fortran source code through and see if it gave any reasonable results. Have anyone of you done test with programs this size ? The examples shows tremendous speedup by splitting loops over many nodes, but in real lift things are different. -- Ole W. Saastad, Dr.Scient. Scali AS P.O.Box 70 Bogerud 0621 Oslo NORWAY Tel:+47 22 62 89 68(dir) mailto:ole at scali.no http://www.scali.com ScaMPI: bandwidth 150 MB/sec. latency 5us.
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