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Installation of MPI in a cluster of SMPs
Post 302415004 by Sonia_ on Wednesday 21st of April 2010 01:39:53 PM
04-21-2010
Installation of MPI in a cluster of SMPs
Hi,
I've installed mpich2 v. 1.2.1p1 on a cluster of dual-processors with the default options (in previous versions I used 'ssm' device, but now I use 'nemesis').
I'd like that every time I execute a job (e.g. with 2 MPI-processes), each job's process be dispatched on a different machine (until to complete the maximum number of machines) and not on a same machine, viz :
Job A with 2 process:
Machine 1:
CPU0 Empty
CPU1 Used
Machine 2:
CPU0 Empty
CPU1 Used
but now it is scheduled as
Machine 1:
CPU0 Used
CPU1 Used
Machine 2:
CPU0 Empty
CPU1 Empty
Regards!
I've installed mpich2 v. 1.2.1p1 on a cluster of dual-processors with the default options (in previous versions I used 'ssm' device, but now I use 'nemesis').
I'd like that every time I execute a job (e.g. with 2 MPI-processes), each job's process be dispatched on a different machine (until to complete the maximum number of machines) and not on a same machine, viz :
Job A with 2 process:
Machine 1:
CPU0 Empty
CPU1 Used
Machine 2:
CPU0 Empty
CPU1 Used
but now it is scheduled as
Machine 1:
CPU0 Used
CPU1 Used
Machine 2:
CPU0 Empty
CPU1 Empty
Regards!
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LEARN ABOUT OPENSOLARIS
pgmtolispm
pgmtolispm(1) General Commands Manual pgmtolispm(1) NAME
pgmtolispm - convert a portable graymap into Lisp Machine format SYNOPSIS
pgmtolispm [pgmfile] DESCRIPTION
Reads a portable graymap as input. Produces a Lisp Machine bitmap as output. This is the file format read by the tv:read-bit-array-file function on TI Explorer and Symbolics lisp machines. Given a pgm (instead of a pbm) a multi-plane image will be output. This is probably not useful unless you have a color lisp machine. Multi-plane bitmaps on lisp machines are color; but the lispm image file format does not include a color map, so we must treat it as a graymap instead. This is unfortunate. SEE ALSO
lispmtopgm(1), pgm(5) BUGS
Output width is always rounded up to the nearest multiple of 32; this might not always be what you want, but it probably is (arrays which are not modulo 32 cannot be passed to the Lispm BITBLT function, and thus cannot easily be displayed on the screen). No color. AUTHOR
Copyright (C) 1991 by Jamie Zawinski and Jef Poskanzer. 06 March 1990 pgmtolispm(1)