Hi Tiago, yeah, sorry, I don't have enough to file a real bug report. This is on 2.22 (there's always a bit of lag until our high performance computing cluster team can update graph-tool). But I just thought I mention this as a warning that this machine precision bug might still be around. Peter
On 28 March 2017 at 09:41, Tiago de Paula Peixoto <[email protected]> wrote: > Hi, > > This is not very useful without the actual script and network that causes > it, otherwise I cannot try to reproduce it. > > Are you using the newest version? Does it also happen with the current git > version? > > Best, > Tiago > > On 27.03.2017 23:25, Peter Straka wrote: > > Just thought I mention that I've reproduced this bug again on my laptop. > > Below some output, it keeps repeating at infinitum (got as far as level > > l=14021)... > > This is for just the minimize_nested_blockmodel_dl(), no layers, no > weights, > > bipartite structure. > > Hope this helps, > > Peter > > > > l=1 Current bracket: (2, 2, 2) (31.317096602087641, > 31.317096602087641, > > 31.317096602087641) > > > > l=1 Current bracket: (2, 2, 2) (31.317096602087641, > 31.317096602087641, > > 31.317096602087641) > > > > l=1 Bisect at B = 2 with S = 31.31709660208764 > > > > l=1 Best result: B = 2, S = 31.31709660208764 > > > > level 1 : rejected replacement (2, 1) -> (2, 2) , dS: nan > > > > l=1 Current bracket: (2, 2, 2) (31.317096602087641, > 31.317096602087641, > > 31.317096602087641) > > > > l=1 Current bracket: (2, 2, 2) (31.317096602087641, > 31.317096602087641, > > 31.317096602087641) > > > > l=1 Bisect at B = 2 with S = 31.31709660208764 > > > > l=1 Best result: B = 2, S = 31.31709660208764 > > > > level 2 : inserted 2 , dS: nan > > > > l=3 Current bracket: (2, 2, 2) (31.317096602087641, > 31.317096602087641, > > 31.317096602087641) > > > > l=3 Current bracket: (2, 2, 2) (31.317096602087641, > 31.317096602087641, > > 31.317096602087641) > > > > l=3 Bisect at B = 2 with S = 31.31709660208764 > > > > l=3 Best result: B = 2, S = 31.31709660208764 > > > > level 3 : rejected replacement (2, 1) -> (2, 2) , dS: nan > > > > l=3 Current bracket: (2, 2, 2) (31.317096602087641, > 31.317096602087641, > > 31.317096602087641) > > > > l=3 Current bracket: (2, 2, 2) (31.317096602087641, > 31.317096602087641, > > 31.317096602087641) > > > > l=3 Bisect at B = 2 with S = 31.31709660208764 > > > > l=3 Best result: B = 2, S = 31.31709660208764 > > > > level 4 : inserted 2 , dS: nan > > > > l=5 Current bracket: (2, 2, 2) (31.317096602087641, > 31.317096602087641, > > 31.317096602087641) > > > > l=5 Current bracket: (2, 2, 2) (31.317096602087641, > 31.317096602087641, > > 31.317096602087641) > > > > l=5 Bisect at B = 2 with S = 31.31709660208764 > > > > l=5 Best result: B = 2, S = 31.31709660208764 > > > > > > On Thu, 19 Jan 2017 at 08:52 Peter Straka <[email protected] > > <mailto:[email protected]>> wrote: > > > > Great, thanks Tiago > > > > On Wed, 18 Jan 2017 at 20:06 Tiago de Paula Peixoto <[email protected] > > <mailto:[email protected]>> wrote: > > > > On 18.01.2017 01:36, Peter Straka wrote: > > > Dear list, > > > > > > I'm trying to fit a nested blockmodel to a (bipartite) network > > with ~10^6 > > > edges. The algorithm minimize_nested_blockmodel_dl() doesn't > > terminate; it > > > keeps on adding layers indefinitely until it runs out of > memory / hits > > > walltime, see below. What could be going on? > > > > This is a silly bug due to finite machine precision. It has > already been > > fixed in git, and will be available in the next release. > > > > Best, > > Tiago > > > > -- > > Tiago de Paula Peixoto <[email protected] <mailto:[email protected] > >> > > _______________________________________________ > > graph-tool mailing list > > [email protected] <mailto:[email protected]> > > https://lists.skewed.de/mailman/listinfo/graph-tool > > > > -- > > Dr Peter Straka > > Research Fellow (DECRA) > > School of PEMS | UNSW Canberra > > Google Scholar > > <https://scholar.google.com.au/citations?user= > BV5PkWUAAAAJ&hl=en&authuser=1> > > E: [email protected] <mailto:[email protected]> > > T: +61 (2) 938*5 7024 *| +1 313 757 0137 <tel:(313)%20757-0137>* > > * > > > > > > > > _______________________________________________ > > graph-tool mailing list > > [email protected] > > https://lists.skewed.de/mailman/listinfo/graph-tool > > > > > -- > Tiago de Paula Peixoto <[email protected]> > > > _______________________________________________ > graph-tool mailing list > [email protected] > https://lists.skewed.de/mailman/listinfo/graph-tool > > -- Dr Peter Straka Research Fellow (DECRA), School of Physical Engineering and Mathematical Sciences UNSW Canberra Northcott Drive, Campbell, ACT 2600 Australia Skype & Google Hangouts: straka.ps E: [email protected] W: Google Scholar <https://scholar.google.com.au/citations?user=o80TaWgAAAAJ> CRICOS Provider Code 00098G
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