#9887: slow coercion from integer ring to integer mod ring
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Reporter: dmharvey | Owner: tbd
Type: defect | Status: needs_info
Priority: major | Milestone: sage-5.8
Component: performance | Resolution:
Keywords: | Work issues: needs rebase
Report Upstream: N/A | Reviewers: PatchBot
Authors: | Merged in:
Dependencies: #11900 | Stopgaps:
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Changes (by tscrim):
* status: needs_work => needs_info
Comment:
There is at least some partial work on this done in `5.7.beta3`:
{{{
sage: R = Integers(3^20)
sage: u = Integer(2)
sage: %timeit z = R(u)
100000 loops, best of 3: 1.48 us per loop
sage: %timeit z = R(u)
1000000 loops, best of 3: 1.74 us per loop
}}}
So should we close this ticket?
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9887#comment:12>
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