X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?p=CreaPhase.git;a=blobdiff_plain;f=octave_packages%2Fopenmpi_ext-1.0.2%2Fmc_example.m;fp=octave_packages%2Fopenmpi_ext-1.0.2%2Fmc_example.m;h=ea4967ff72dfb7b7a28136248ed4a990713d98c9;hp=0000000000000000000000000000000000000000;hb=c880e8788dfc484bf23ce13fa2787f2c6bca4863;hpb=1705066eceaaea976f010f669ce8e972f3734b05 diff --git a/octave_packages/openmpi_ext-1.0.2/mc_example.m b/octave_packages/openmpi_ext-1.0.2/mc_example.m new file mode 100644 index 0000000..ea4967f --- /dev/null +++ b/octave_packages/openmpi_ext-1.0.2/mc_example.m @@ -0,0 +1,53 @@ +## Copyright (C) 2009 Michael Cree +## under the terms of the GNU General Public License. +## +## This program is free software; you can redistribute it and/or modify +## it under the terms of the GNU General Public License as published by +## the Free Software Foundation; either version 2 of the License, or +## (at your option) any later version. +## +## This program is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with this program; If not, see . + + +# mc_example: shows how Monte Carlo can be done using mpi, Does Monte +# Carlo on the OLS estimator. Uses montecarlo.m +# +# USAGE: from the command prompt, not the octave prompt, execute +# orterun -np 3 octave --eval mc_example +1; +function betahat = olswrapper(args) + n = args{1}; + theta = args{2}; + x = [ones(n,1) randn(n,1)]; + y = x*theta + randn(n,1); + betahat = ols(y,x); + betahat = betahat'; +endfunction + + +n = 30; +theta = [1;1]; + +reps = 10000; +f = "olswrapper"; +args = {n, theta}; +outfile = "mc_output"; +n_pooled = 100; +verbose = false; +tic; + montecarlo(f, args, reps, outfile, n_pooled, false, verbose); +t=toc + +# info = MPI_Init +# tic; +# montecarlo(f, args, reps, outfile, n_pooled, verbose); +# disp("I am here!"); +# t=toc +# info = MPI_Finalize() +