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| From: | RUILIN CHU |
| Subject: | [Octave-bug-tracker] [bug #43519] eigs really slow |
| Date: | Tue, 04 Nov 2014 22:50:04 +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 #11, bug #43519 (project octave):
I recompiled with ATLAS, the result is much better, but still not ideal
octave:1> version
ans = 3.6.4
octave:2> for L=1:6
> doit(L*1000);
> end
L = 1000
full : 1.131828
sparse : 0.817876
L = 2000
full : 3.670442
sparse : 3.672441
L = 3000
full : 9.240595
sparse : 9.546549
L = 4000
full : 16.913429
sparse : 18.988113
L = 5000
full : 31.201257
sparse : 34.039825
L = 6000
full : 45.836033
sparse : 55.160614
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