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4.2 Parallel utilities
Purpose
mpirun runs parallel examples.
Synopsis
function [] = mpirun(fct,npe,dbg)
Description
mpirun runs parallel examples.
Usage: mpirun ( FCT , NPE [, DBG] )
mpirun
FCT - name (or handle) of the function to be executed on all MATLAB
processes.
NPE - number of processes to be used (including the master).
DBG - flag for debugging. If true, spawn MATLAB child processes
with a visible xterm. (default DBG=false)
Source Code
1 f u n c t i o n [ ] = mpirun ( f c t , npe , dbg )
11
12 % Radu Serban
13 % Copyright ( c ) 2005 , The Regents o f the U n i v e r s i t y o f C a l i f o r n i a .
14 % $Revision$Date$
15
16 ih = i s a ( f c t , ’ f u n c t i o n h a n d l e ’ ) ;
17 i s = i s a ( f c t , ’ char ’ ) ;
18 i f ih
19 sh = f u n c t i o n s ( f c t ) ;
20 f c t s t r = sh . f u n c t i o n ;
21 e l s e i f i s
22 f c t s t r = f c t ;
23 e l s e
24 e r r o r ( ’ mpirun : : Unrecognized f u n c t i o n ’ ) ;
25 end
26
27 i f e x i s t ( f c t s t r ) ˜= 2
28 err msg = s p r i n t f ( ’ mpirun : : Function %s not in search path . ’ , f c t s t r ) ;
29 e r r o r ( err msg ) ;
30 end
31
32 n s l a v e s = npe −1;
33 LAM Start ( n s l a v e s ) ;
34
35 debug = f a l s e ;
36 i f ( nargin > 2) & dbg
37 debug = true ;
57