AMBER Archive (2002)Subject: Re: mpich, I/O, Master node, filesystem
From: David Case (case_at_scripps.edu)
Date: Thu Aug 08 2002 - 00:14:25 CDT
On Thu, Aug 08, 2002, Jianhui Wu wrote:
>
> A computer guy asked me
> whether the I/O is done by the master node (in a batch mode) or via
> the shell node (in an interactive mode).
The master node (node 0) does all I/O. The program is running in what
I think everyone would call "batch mode".
> Secondly, do MPICH
> requires a shared filesystem (instead of distributed filesystem)?
No, a shared filesystem is not required; the "slave" nodes never access
any filesystem (shared or otherwise.)
...dac
--
==================================================================
David A. Case | e-mail: case_at_scripps.edu
Dept. of Molecular Biology, TPC15 | fax: +1-858-784-8896
The Scripps Research Institute | phone: +1-858-784-9768
10550 N. Torrey Pines Rd. | home page:
La Jolla CA 92037 USA | http://www.scripps.edu/case
==================================================================
|