#11475: improve prime_pi (speedup + small fixes)
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Reporter: rohana | Owner: was
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-4.7.1
Component: number theory | Keywords: primes, prime counting, prime_pi
Work_issues: | Upstream: N/A
Reviewer: | Author: R. Andrew Ohana
Merged: | Dependencies:
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Comment(by leif):
Replying to [comment:22 rohana]:
> Works on sage.math with 11475v5:
{{{
sage: time prime_pi(502000000000000)
15296922045596
Time: CPU 723.40 s, Wall: 723.43 s
}}}
Yep, here too; with both v4 and v5 (64-bit Linux).
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11475#comment:23>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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