#10430: Add some bugfixes to the PARI package
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Reporter: jdemeyer | Owner: tbd
Type: defect | Status: new
Priority: major | Milestone: sage-4.6.2
Component: packages | Keywords: pari spkg
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by leif):
Replying to [comment:3 jdemeyer]:
> Replying to [comment:2 leif]:
> > Perhaps we should really also address #10120, as more systems than
originally reported seem to be affected, i.e. reduce (perhaps partially)
optimization to `-O1` to work around obvious bugs in GCC 4.4.1 on these
platforms.
>
> Here's an idea: we first try to build with -O3 and when that doesn't
work, fall back to -O2, then -O1, then -O0.
[comment:ticket:10120:16 Koen reported]:
''"For reference: !OpenSuse? 11.2 (gcc (SUSE Linux) 4.4.1
[gcc-4_4-branch revision 150839]) has the same problem when building PARI:
on a machine with 64GB of RAM, it eventually fails after all memory is
exhausted (takes hours). [...]"''
So I don't think that's the way to go. (Other machines might start
swapping, which effectively "freezes" some systems.)
Or should we do something like
{{{
#!sh
(ulimit -St 900; $MAKE) # Which value is appropriate?
}}}
?
> I think reporting this to PARI is pointless, because they can't help
(and probably won't care about) a broken gcc.
They at least perhaps have better experience which files are most likely
to trigger failures due to GCC bugs.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10430#comment:4>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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