Newsgroups: comp.parallel.pvm
From: i802848@cis.nctu.edu.tw (inf11a)
Subject: Re: Size limit on send/receive buffers?
Organization: Dep. Computer Sci. & Information Eng., Chiao Tung Univ., Taiwan, R.O.C
Date: 28 Dec 1994 08:12:01 GMT
Message-ID: <3dr6kh$7lk@news.csie.nctu.edu.tw>

David L. Peart (dave@bink) wrote:
: What is the size limit of the send/receive buffers?  I am trying to
: send quite large packets, but anything over 1652 bytes does not get
: sent.  I am working with a very large data set and need to send large
: packets.  I am running PVM3.3.4 on HP 9000/735 workstations connected
: with FDDI.

: I found this problem when running on a single machine, meaning my pvm
: machine was only one physical machine.  I have found no reference as
: to having a limit to the packet size, but of course could be wrong.

: Any help would be appreciated.

: thanks,
: --
: David L. Peart
: Brigham Young University
: dave@byu.edu

Hi,
    PVM assumes that your machine always has enough memory for send/receive
buffers.So, if you pack a large packet that is exceed your memory size.
It may cause problems.
          
Hope my answers would be useful .
                                   

Jackie Yang 
Tung Hai University
Taiwan 
R.O.C


