prime_range takes WAY WAY too long to convert its data back to PARI

[williamstein]

d142-058-050-205:src was$ sage
----------------------------------------------------------------------
| SAGE Version 3.0.6, Release Date: 2008-07-30                       |
| Type notebook() for the GUI, and license() for information.        |
----------------------------------------------------------------------
Loading SAGE library. Current Mercurial branch is: review2
sage: timeit('prime_range(10^6)')
5 loops, best of 3: 214 ms per loop
sage: timeit('prime_range(10^6,leave_pari=True)')
125 loops, best of 3: 4.29 ms per loop
sage: 214/4.29
49.8834498834499

Component: number theory

Issue created by migration from https://trac.sagemath.org/ticket/3803

[craigcitro]

comment:1

Since we removed the leave_pari option altogether, this ticket is now invalid.