Newsgroups: comp.parallel.pvm
From: torkel@zink.cs.umu.se (Bj|rn Torkelsson)
Subject: Re: psend and precv nonheterogeneous?
Organization: Dept. of Computing Science, Umea Univ., 901 87 Umea, Sweden
Date: Sun, 4 Feb 1996 10:25:46 GMT
Message-ID: <torkel.823429546@zink>

mapdjb@bath.ac.uk (D J Batey) writes:

>I've just encountered a problem with pvm_psend and pvm_precv -- they
>don't appear to be reliable across heterogeneous architectures if
>anything other than PVM_BYTE is specified. 

>Looking at lpvm.c it appears that the XDR scheme is bypassed
>completely by working out the length of the data in bytes according to
>the data sizes on the sending and receiving machines independently. Is
>there a patch for this, or is it a feature?

>Duncan.

I think this is mentioned somewhere in the documentation. The sadly truth 
is that in PVM 3.3 pvm_psend only works betweeen machines of the same data 
format. 

/torkel

-- 
Bjrn Torkelsson             Dept. of Computing Science, Ume University
Email: torkel@cs.umu.se      URL: http://www.cs.umu.se/~torkel/
Phone: +46 90 167927 (work)  Fax: +46 90 166126 (work)

