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Article #223Communication Startup costs on Distributed Memory Machines
From: H.V. Sreekantaswamy
Date: Tue, 25 Aug 1992 19:14
Date: Tue, 25 Aug 1992 19:14
21 lines
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1441 bytes
I am interested in knowing typical values for communication startup costs on various distributed memory machines such as CM-5, nCUBE, Intel IPSC, Delta, Paragon, etc. What I mean by communication startup cost is the time it takes to begin the actual message transmission from the time the user program makes the appropriate function call. This should include all the operating system or runtime system overheads in initiating the communication in addition to hardware setup time. I would appreciate if anyone can point to any papers/reports that discuss about these overheads or give the values for any system. If there is sufficient interest, I will post a summary of replies. Thanks, --Swamy ------------------------------------------------------------------------ H.V. Sreekantaswamy E-mail: swamy@cs.ubc.ca Dept. of Computer Science Tel: (604)822-3731 University of British Columbia (604)224-4431 (Home) Vancouver, B.C., Canada V6T 1Z2 ------------------------------------------------------------------------
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Path: arc1-ca.pugleaf.net!sparky!uunet!sun-barr!sh.wide!wnoc-snd-ss2!akiu!hakata!kyu-cs!lab!nttlab!daemon From: swamy@cs.ubc.ca (H.V. Sreekantaswamy) Newsgroups: fj.mail-lists.parallel Subject: Communication Startup costs on Distributed Memory Machines Message-ID: <314272@nttlab.ntt.JP> Date: 25 Aug 92 19:14:12 GMT Sender: news@nttlab.ntt.JP Distribution: fj Lines: 21 Approved: news@nttlab.ntt