#14102: Nonsymmetric Macdonald Polynomials for all affine types
-------------------------------------+-------------------------------------
Reporter: bump | Owner: sage-combinat
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-pending
Component: combinatorics | Resolution:
Keywords: Nonsymmetric | Merged in:
Macdonald polynomials, days40, | Reviewers: Anne Schilling,
days45, days49, days54 | Nicolas M. Thiéry, Mark Shimozono,
Authors: Nicolas M. | Bogdan Ion
Thiéry, Anne Schilling | Work issues:
Report Upstream: N/A | Commit:
Branch: | 7285efe502514618c4e04080de2056c91933a062
public/combinat/nonsymmetric_macdonald-14102| Stopgaps:
Dependencies: #4327, #14143, |
#13589, #10963, #14673, #14610, |
#14775, #15931 |
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Comment (by nthiery):
Replying to [comment:79 aschilling]:
> Please change the import in FiniteEnumeratedSets (Travis changed this,
right?).
Done!
For the record, here is the result of a quick benchmark I made out of
curiosity. For a trivial function, we get a factor of 10 in speed. Of
course it's not really representative since in our current use case
the methods are not quite as trivial.
{{{
"""
Comparative benchmark between lazy importing and importing inside a method
sage: from test_lazy_import import f,g
sage: %timeit f(i)
1000000 loops, best of 3: 197 ns per loop
sage: %timeit g(i)
1000000 loops, best of 3: 1.65 µs per loop
"""
from sage.misc.lazy_import import lazy_import
lazy_import('sage.rings.integer', 'Integer', 'LazyInteger')
def f(i):
return LazyInteger(i)
def g(i):
from sage.rings.integer import Integer
Integer(i)
}}}
Btw: it would be nice if pyflakes knew about `lazy_import`.
--
Ticket URL: <http://trac.sagemath.org/ticket/14102#comment:81>
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