#18137: Centrality betweenness in Sage
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Reporter: | Owner:
ncohen | Status: needs_review
Type: | Milestone: sage-6.6
enhancement | Resolution:
Priority: major | Merged in:
Component: graph | Reviewers:
theory | Work issues:
Keywords: | Commit:
Authors: | 421dc01c948b631dd227c17aeba0459080293b94
Nathann Cohen | Stopgaps:
Report Upstream: N/A |
Branch: |
u/ncohen/18137 |
Dependencies: |
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Description changed by ncohen:
Old description:
> I hate it that we do not appear in comparisons like the following, just
> because we are slower than the worst library `:-P`
>
> http://graph-tool.skewed.de/performance
>
> With this branch we can compute the betweenness centrality in Sage with a
> decent speed.
>
> Nathann
New description:
I hate it that we do not appear in comparisons like the following, just
because we are slower than the worst library `:-P`
http://graph-tool.skewed.de/performance
With this branch we can compute the betweenness centrality in Sage with a
decent speed.
Nathann
P.S.: The version of the code that deals with rational instead of floats
has been removed because it is *much* slower (60x in some cases), and
because I did not see how to make the two coexist without copy/pasting
most of the code.
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Ticket URL: <http://trac.sagemath.org/ticket/18137#comment:9>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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