#12004: copying a linear program using Coin solver consumes enormous amounts of
memory
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Reporter: john_perry | Owner: ncohen
Type: defect | Status: new
Priority: major | Milestone: sage-4.8
Component: linear programming | Keywords: linear programming, Coin,
copy, memory
Work_issues: | Upstream: N/A
Reviewer: | Author: john_perry
Merged: | Dependencies:
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The following Sage program quickly explodes memory usage:
{{{
P = MixedIntegerLinearProgram(solver="Coin")
P.add_constraint(P[0]+P[1]==1)
while True:
P = copy(P)
w = solve(P)
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12004>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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