#6743: cygwin metaticket: port Sage to Microsoft Windows (via Cygwin): stage 1
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make building Sage automatic
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Reporter: was | Owner: was
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-5.7
Component: cygwin | Resolution:
Keywords: sd31 sd32 | Work issues:
Report Upstream: N/A | Reviewers:
Authors: | Merged in:
Dependencies: | Stopgaps:
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Comment (by jpflori):
Replying to [comment:141 jdemeyer]:
> Replying to [comment:139 jpflori]:
> > heegner.py because of the limited size of the PARI stack
> It's known that this test simply needs a lot of RAM, so perhaps your
machine doesn't have enough memory available. What's the error message and
how much memory do you have?
I'm aware of that, I was just reporting the results of a straight test.
The problem on Cygwin is that the maximal virtual memomy available is
limited to something quite low by default, I'd say about 512MB.
In particular it prevents the PARI stack to grow above (a little less
than) this limit, even if you have 1 billion GB of RAM available.
The solution is to modify this limit by hand for the python.exe file using
the peflags executable, see some comments on #9176.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6743#comment:142>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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