#5943: Sage 3.4.2.a0: len(prime_range(2^50)) segfaults
---------------------------+------------------------------------------------
Reporter: mabshoff | Owner: was
Type: defect | Status: new
Priority: blocker | Milestone: sage-4.0
Component: number theory | Keywords:
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Comment(by mabshoff):
We might want to either implement this ourselves or just put reasonable
limit on this:
{{{
sage" len(prime_range(2^35))
/home/mabshoff/.sage/temp/sage.math.washington.edu/10069/_home_mabshoff__sage_init_sage_0.py
in <module>()
/scratch/mabshoff/sage-3.4.2.final/local/lib/python2.5/site-
packages/IPython/iplib.pyc in ipmagic(self, arg_s)
951 else:
952 magic_args = self.var_expand(magic_args,1)
--> 953 return fn(magic_args)
954
955 def ipalias(self,arg_s):
/scratch/mabshoff/sage-3.4.2.final/local/lib/python2.5/site-
packages/IPython/Magic.pyc in magic_time(self, parameter_s)
1905 if mode=='eval':
1906 st = clk()
-> 1907 out = eval(code,glob)
1908 end = clk()
1909 else:
/home/mabshoff/.sage/temp/sage.math.washington.edu/10069/_home_mabshoff__sage_init_sage_0.py
in <module>()
/scratch/mabshoff/sage-3.4.2.final/local/lib/python2.5/site-
packages/sage/rings/fast_arith.so in sage.rings.fast_arith.prime_range
(sage/rings/fast_arith.c:3772)()
/scratch/mabshoff/sage-3.4.2.final/local/lib/python2.5/site-
packages/sage/rings/fast_arith.so in sage.rings.fast_arith.prime_range
(sage/rings/fast_arith.c:3458)()
/scratch/mabshoff/sage-3.4.2.final/local/lib/python2.5/site-
packages/sage/libs/pari/gen.so in
sage.libs.pari.gen.PariInstance.primes_up_to_n
(sage/libs/pari/gen.c:40660)()
/scratch/mabshoff/sage-3.4.2.final/local/lib/python2.5/site-
packages/sage/libs/pari/gen.so in sage.libs.pari.gen._pari_trap
(sage/libs/pari/gen.c:44402)()
/scratch/mabshoff/sage-3.4.2.final/local/lib/python2.5/site-
packages/sage/libs/pari/gen.so in
sage.libs.pari.gen.PariInstance.allocatemem (sage/libs/pari/gen.c:40001)()
/scratch/mabshoff/sage-3.4.2.final/local/lib/python2.5/site-
packages/sage/libs/pari/gen.so in sage.libs.pari.gen.init_stack
(sage/libs/pari/gen.c:43371)()
MemoryError: Unable to allocate 131072000000 bytes memory for PARI.
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5943#comment:4>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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