Newsgroups: comp.parallel.pvm,comp.parallel.mpi
From: rbarrett@ranger.lanl.gov (Richard Barrett)
Subject: PVM send buffers
Organization: Los Alamos National Laboratory
Date: 18 Mar 1996 17:51:43 GMT
Message-ID: <4ik7rf$g9k@newshost.lanl.gov>

Folks,

A week or so ago I posted regarding the pvm_pack functions. I asked if
others would like to be able to allocate the entire send buffer before
making multiple calls to pvm_pack in order to reduce the overhead of
malloc. (This would be analogous to MPI_Buffer_attach.)

So far I count zero responses, and I didn't receive any via private email.

Oh well.

This message is cross posted to the mpi list. Does anyone there use 
MPI_Buffer_attach? If not, thanks to the MPI Forum for providing me with
a personal function! My cell based hydrodynamics C code realized a 25 times
speed up on the Cray T3D with this functionality.

Richard


