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[Octave-bug-tracker] [bug #43519] eigs really slow compared to Matlab
From: |
RUILIN CHU |
Subject: |
[Octave-bug-tracker] [bug #43519] eigs really slow compared to Matlab |
Date: |
Tue, 04 Nov 2014 19:43:11 +0000 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/38.0.2125.104 Safari/537.36 |
Follow-up Comment #8, bug #43519 (project octave):
OK, I have tried many ways, the problem persists
version
ans = 3.8.2
octave:2> for i=1:6
> L=i*1000;doit(L);
> end
L = 1000
full : 0.627905
sparse : 8.175758
L = 2000
full : 4.337341
sparse : 39.021067
L = 3000
full : 9.973484
sparse : 75.483524
L = 4000
full : 23.701398
sparse : 231.474810
L = 5000
full : 44.528232
sparse : 365.127491
L = 6000
full : 57.121317
sparse : 486.797995
I'm running CentOS 6.5 64bit on Intel(R) Xeon(R) CPU E5-1620 0 @ 3.60GHz with
8G memory, compiled with gfortran gcc 4.4.7-4,linked with ACML 4.4
gfortran64_mp,arpack_ng-3.1.5
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- [Octave-bug-tracker] [bug #43519] eigs really slow compared to Matlab, anonymous, 2014/11/03
- [Octave-bug-tracker] [bug #43519] eigs really slow compared to Matlab, Jordi Gutiérrez Hermoso, 2014/11/03
- [Octave-bug-tracker] [bug #43519] eigs really slow compared to Matlab, Jordi Gutiérrez Hermoso, 2014/11/03
- [Octave-bug-tracker] [bug #43519] eigs really slow compared to Matlab, RUILIN CHU, 2014/11/03
- [Octave-bug-tracker] [bug #43519] eigs really slow compared to Matlab, RUILIN CHU, 2014/11/03
- [Octave-bug-tracker] [bug #43519] eigs really slow compared to Matlab, Rik, 2014/11/03
- [Octave-bug-tracker] [bug #43519] eigs really slow compared to Matlab, Michael Godfrey, 2014/11/04
- [Octave-bug-tracker] [bug #43519] eigs really slow compared to Matlab, John W. Eaton, 2014/11/04
- [Octave-bug-tracker] [bug #43519] eigs really slow compared to Matlab, Rik, 2014/11/04
- [Octave-bug-tracker] [bug #43519] eigs really slow compared to Matlab,
RUILIN CHU <=
- [Octave-bug-tracker] [bug #43519] eigs really slow compared to Matlab, Jordi Gutiérrez Hermoso, 2014/11/04
- [Octave-bug-tracker] [bug #43519] eigs really slow, Rik, 2014/11/04
- [Octave-bug-tracker] [bug #43519] eigs really slow, RUILIN CHU, 2014/11/04