On Friday, August 8, 2014 3:02:03 AM UTC-7, Dima Pasechnik wrote:
>
> have a look at
> http://ecls.sourceforge.net/new-manual/re86.html#table.memory.limits
> and
> http://trac.sagemath.org/ticket/6772
> where one of these limits was removed.
> Perhaps removing other limits will help.
>
Actually, the change there did not make it into the maxima_lib interface
that calculus uses:
sage: from sage.libs.ecl import *
sage: ecl_eval("(ext:get-limit 'ext:heap-size)")
<ECL: 1073741824>
so doing
sage: import sage.libs.ecl
sage: sage.libs.ecl.ecl_eval("(ext:set-limit 'ext:heap-size 0)")
might solve your problem. I'm not sure if we should do the same. Since
maxima_lib runs in the same process as the rest of sage, it might be
problematic to let ecl munch away all memory and starve python (for
instance when a ulimit has been set). I don't think the boehm garbage
collector will ever "give back" once allocated memory to the operating
system.
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