[Couenne] large number of error messages

[Pietro Belotti]

Actually, that turned out much easier than I thought. Please try
adding the line "print_level 0" to the option file couenne.opt.

Regards,
Pietro

On Sat, May 30, 2015 at 5:35 PM, Pietro Belotti <petr.7b6 at gmail.com> wrote:
> Hi Victor,
>
> I'm aware of that. This is due to the Ipopt/AMPL interface
> (Ipopt/src/Apps/AmplSolver/AmplTNLP.cpp), in particular function
> nerror_ok(), line 1461: every time an evaluation error is encountered
> a message is printed. I'm trying now to set the output level for that
> specific message handler from within Couenne, since the print is the
> Ipopt source so I can't directly control that. I'll keep you posted.
>
> Pietro
>
>
>
> On Wed, May 27, 2015 at 1:15 AM, victor.zverovich at gmail.com
> <victor.zverovich at gmail.com> wrote:
>> And another issue with the output: running Couenne on the CUTE test set
>> produced ~1GB of identical error messages:
>>
>>   Error in an AMPL evaluation. Run with "halt_on_ampl_error yes" to see
>> details.
>>
>> It would be nice if the error message was only produced once per
>> optimization problem to avoid flooding the output by domain errors and such.
>>
>> Best regards,
>> Victor
>>
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