#17385: Cleanup Graph.__init__ and DiGraph.__init__
-------------------------------------+-------------------------------------
Reporter: vdelecroix | Owner:
Type: enhancement | Status: positive_review
Priority: major | Milestone: sage-6.5
Component: graph theory | Resolution:
Keywords: | Merged in:
Authors: Vincent Delecroix | Reviewers: David Coudert
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/vdelecroix/17385 | 3f8a98bc9caa9f64504cf2d85ce4ed39ea7ce12c
Dependencies: #17384 | Stopgaps:
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Changes (by dcoudert):
* status: needs_review => positive_review
* reviewer: => David Coudert
Comment:
I was not expecting {{{bool is False}}} to be faster than {{{bool ===
False}}}. Amazing.
{{{
sage: bool = True
sage: %timeit bool is False
10000000 loops, best of 3: 70.3 ns per loop
sage: %timeit bool == False
10000000 loops, best of 3: 88.7 ns per loop
sage:
sage: bool = False
sage: %timeit bool == False
10000000 loops, best of 3: 88.9 ns per loop
sage: %timeit bool is False
10000000 loops, best of 3: 70.2 ns per loop
}}}
For me the patch is OK (installation, test, doc), so I give positive
review.
--
Ticket URL: <http://trac.sagemath.org/ticket/17385#comment:3>
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