#10834: faster creation of an ETuple from a list or tuple
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Reporter: pernici | Owner: AlexGhitza
Type: enhancement | Status: positive_review
Priority: major | Milestone: sage-5.7
Component: algebra | Resolution:
Keywords: days45 | Work issues:
Report Upstream: N/A | Reviewers: Travis Scrimshaw
Authors: mario pernici | Merged in:
Dependencies: | Stopgaps:
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Changes (by tscrim):
* keywords: => days45
* status: needs_review => positive_review
Comment:
Looks good to me.
Before patch (running `5.7.beta3`):
{{{
sage: %timeit ETuple([5,2,2,1])
100000 loops, best of 3: 6.4 us per loop
sage: %timeit ETuple([5,2,2,1]*20)
10000 loops, best of 3: 54.8 us per loop
sage: L = [5,2,2,1]*10000
sage: %timeit ETuple(L)
10 loops, best of 3: 26 ms per loop
sage: %timeit ETuple(L)
10 loops, best of 3: 24.2 ms per loop
}}}
After patch:
{{{
sage: %timeit ETuple([5,2,2,1])
100000 loops, best of 3: 3.1 us per loop
sage: %timeit ETuple([5,2,2,1]*20)
10000 loops, best of 3: 26.9 us per loop
sage: L = [5,2,2,1]*10000
sage: %timeit ETuple(L)
100 loops, best of 3: 5.97 ms per loop
sage: %timeit ETuple(L)
100 loops, best of 3: 6.23 ms per loop
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10834#comment:3>
Sage <http://www.sagemath.org>
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