[SciPy-user] [optimization] 10X speedup example for scipy.optimize solver, via using oofun
dmitrey
dmitrey.kroshko at scipy.org
Sat Oct 11 07:23:41 EDT 2008
I have committed the iterprint changes to svn, you could try now.
Regards, D.
dmitrey wrote:
> Nils Wagner wrote:
>
>> On Fri, 10 Oct 2008 20:25:56 +0300
>> dmitrey <dmitrey.kroshko at scipy.org> wrote:
>>
>>
>>> Hi all,
>>> if anyone is interested here's 10X speedup example for
>>> scipy fmin_ncg
>>> using openopt oofun. Other solvers (from or beyond
>>> scipy.optimize) can
>>> yield similar speedup.
>>>
>>> http://openopt.blogspot.com/2008/10/example-of-10x-speedup-for-nlp-via.html
>>>
>>> Regards, D.
>>> _______________________________________________
>>> SciPy-user mailing list
>>> SciPy-user at scipy.org
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>>>
>> python -i
>> svn/openopt/scikits/openopt/examples/oofun/speedup.py
>> Traceback (most recent call last):
>> File
>> "svn/openopt/scikits/openopt/examples/oofun/speedup.py",
>> line 25, in ?
>> from scikits.openopt import NLP, oofun, oovar
>> File
>> "/usr/lib/python2.4/site-packages/scikits/openopt/__init__.py",
>> line 6, in ?
>> from oo import LP, NLP, NSP, MILP, QP, NLSP, LSP,
>> GLP, LLSP, MMP, LLAVP
>> File
>> "/usr/lib/python2.4/site-packages/scikits/openopt/oo.py",
>> line 6, in ?
>> from Kernel.BaseProblem import *
>> File
>> "/usr/lib/python2.4/site-packages/scikits/openopt/Kernel/BaseProblem.py",
>> line 11, in ?
>> from ooIterPrint import ooTextOutput
>> File
>> "/usr/lib/python2.4/site-packages/scikits/openopt/Kernel/ooIterPrint.py",
>> line 6
>> 'isFeasible': lambda p: ('+' if p.rk<p.contol else
>> '-')
>> ^
>> SyntaxError: invalid syntax
>>
>> Nils
>>
>> _______________________________________________
>> SciPy-user mailing list
>> SciPy-user at scipy.org
>> http://projects.scipy.org/mailman/listinfo/scipy-user
>>
>>
>>
>>
>>
>
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