On Fedora 20 (x96_64) octave-
3.8.1-rc4
with ACML library:
LD_PRELOAD=/opt/acml5.3.1/gfortran64_fma4_mp/lib/libacml_mp.so octave --no-gui
GNU Octave, version 3.8.1-rc4
Copyright (C) 2013 John W. Eaton and others.
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Octave was configured for "x86_64-unknown-linux-gnu".
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octave:1> a=randn(4000);
octave:2> tic; inv(a)*a; toc
Elapsed time is 5.36305 seconds.
octave:3> y = zeros(1,25);
octave:4> u = ones(1,25);
octave:5> tsam = 0.1;
octave:6> data = "">warning: iddata: more outputs than samples - matrice 'y' should probably be transposed
warning: iddata: more inputs than samples - matrice 'u' should probably be transposed
octave:7> n4sid(data,1);
** ACML error: on entry to IB01AD parameter number 7 had an illegal value
(octave dies and returns to bash prompt)
(Works normal with the reference Blas).
So it looks like the problem is with Mac blas libr
ary
Dmitri.
--