[Octave-cvsupdate] SF.net SVN: octave:[8243] trunk/octave-forge/extra/NaN/test/ test_perf_skipnan.m

[<sch...@us...>]

Revision: 8243
          http://octave.svn.sourceforge.net/octave/?rev=8243&view=rev
Author:   schloegl
Date:     2011-05-04 15:32:27 +0000 (Wed, 04 May 2011)

Log Message:
-----------
performance test of some core functions of the NaN-toolbox

Added Paths:
-----------
    trunk/octave-forge/extra/NaN/test/test_perf_skipnan.m

Added: trunk/octave-forge/extra/NaN/test/test_perf_skipnan.m
===================================================================
--- trunk/octave-forge/extra/NaN/test/test_perf_skipnan.m	                        (rev 0)
+++ trunk/octave-forge/extra/NaN/test/test_perf_skipnan.m	2011-05-04 15:32:27 UTC (rev 8243)
@@ -0,0 +1,57 @@
+
+%% TEST_PERF_NANTB
+
+%	$Id$
+% 	Copyright (C) 2009,2010 by Alois Schloegl <alo...@gm...>
+%       This function is part of the NaN-toolbox
+%       http://pub.ist.ac.at/~schloegl/matlab/NaN/
+
+%    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 3 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, write to the Free Software
+%    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
+%    USA
+
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%	Performance 
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%	SUMSKIPNAN_MEX with and w/o OpenMP 
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%% Generate Test data
+y = randn(1e7,32);
+
+flag=0; 
+N = 10; 	% repeat the tests 10 times
+t1=repmat(N,2);
+t2=repmat(N,2);
+for k=1:N;
+	tic;t=cputime();
+	[s,n]=sumskipnan_mex(y,1);
+	t1(k,1)=cputime()-t; t1(k,2)=toc; 
+
+	tic;t=cputime();
+	[c,n]=covm_mex(y,[],flag);
+	t2(k,1)=cputime()-t; t2(k,2)=toc; 
+end;
+[[t1,t2];mean([t1,t2]);std([t1,t2])]
+exp(-diff(log([mean(t1)',mean(t2)'])))
+
+
+
+
+


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