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- Newsgroups: comp.parallel
- Path: sparky!uunet!gatech!hubcap!fpst
- From: jf@edv6000.tuwien.ac.at (Josef Fritscher)
- Subject: Re: PVM vs. Express
- Message-ID: <1992Nov18.130453.26091@hubcap.clemson.edu>
- Apparently-To: comp-parallel@news.uu.net
- Sender: news@email.tuwien.ac.at
- Nntp-Posting-Host: edv6000.tuwien.ac.at
- Reply-To: fritscher@email.tuwien.ac.at
- Organization: Technical University of Vienna
- References: <1992Nov13.125101.20219@hubcap.clemson.edu> <1992Nov16.131843.5549@hubcap.clemson.edu> <BxtGE9.460@cs.vu.nl>
- Date: Wed, 18 Nov 1992 11:26:52 GMT
- Approved: parallel@hubcap.clemson.edu
- Lines: 32
-
- In article <BxtGE9.460@cs.vu.nl>, henk@cs.vu.nl (Henk Smit) writes:
- |> jf@edv6000.tuwien.ac.at (Josef Fritscher) writes:
- |>
- |> >.........<about PVM communication>........... Of course messages are
- |> >transported through a daemon, but that is in most cases an advantage.
- |>
- |> Why is this an advantage ? Every messages between 2 tasks has to go
- |> through 2 daemons now. The path now takes 3 hops, instead of 1 hop.
- |> Which advantage is so big, that it outweights this disadvantage in
- |> speed ?
-
- The daemon works as an agent. It starts processes, kills them, manage PIDs, etc.
- That does not excuse for slower communication. I also wrote in the same post:
-
- : BTW. the new version of PVM (3.0) will address most of the features mentioned
- above.
-
- which is also true for this topic.
-
- - Joe
- --
- Josef Fritscher Internet: fritscher@edvz.tuwien.ac.at
- Computing Center Bitnet: fritscher@awituw64.bitnet
- Technical University of Vienna in reality: jf@edv6000.tuwien.ac.at
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- A-1040 Vienna, Austria/Europe Fax: ++431 58 74 211
- Member of the Austrian Center for Parallel Computation (ACPC)
- -------------------------------------------------------------------------
- The function of local-in-Universe critical information-gathering and
- local-in-Universe problem-solving is manifest in the cockpit of all
- great airplanes. (R. Buckminster Fuller)
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