[Symphony] Symphony

[Ted Ralphs]

I should clarify that this is for 32-bit processes. For 64-bit
processes in 64-bit Windows, the limits are much larger. However, the
SYMPHONY executable you installed is 32-bit.

Ted

On Thu, Oct 8, 2009 at 8:13 PM, Ted Ralphs <tkralphs at lehigh.edu> wrote:
> There's no limit within SYMPHONY itself. Windows, however, limits
> processes to at most 2G of memory:
>
> http://msdn.microsoft.com/en-us/library/aa366778%28VS.85%29.aspx
>
> I assume you must be running the 64-bit Windows? What version? In any
> case, having 12G does not actually buy you an increase in the memory
> accessible by a single process.
>
> Cheers,
>
> Ted
>
> On Thu, Oct 8, 2009 at 5:13 PM,  <leandro.mengue at stihl.com.br> wrote:
>> Hello Ted,
>>
>> Congratulation for your software! It´s very good!
>>
>> The installer for Windows works very well.
>>
>> I have a question for you:
>>
>> Symphony have any memory utilization limit? Because I run my LP problem and
>> receive a "memory allocation problem" like this:
>>
>> Starting Preprocessing...
>> Preprocessing finished...
>>          coefficients modified: 753290
>>          bounds improved: 363
>>          constraints removed: 10330
>>          variables fixed: 2638
>> Problem has
>>          763758 constraints
>>          781637 variables
>>          1548679 nonzero coefficients
>>
>> Solving...
>> terminate called after throwing an instance of 'std::bad_alloc'
>>   what():  std::bad_alloc
>>
>> This application has requested the Runtime to terminate it in an unusual
>> way.
>> Please contact the application's support team for more information.
>>
>>
>> I can see in the task manager that the memory utilization stops at 1.058.704
>> Kb...
>>
>> I am running it in a machine with 12Gb of memory.
>>
>> Best regards,
>>
>> Leandro Mengue
>> Porto Alegre - RS - Brazil
>>
>>
>>
>> ____________________________________________________________________________
>>
>> Esta mensagem, e qualquer de seus anexos, eh confidencial e privilegiada.
>> Caso voce nao seja o destinatario, nao esta autorizado a reproduzir ou
>> divulgar a terceiros o conteudo desta mensagem e de qualquer anexo da mesma
>> e deve apagar com os seus respectivos anexos.
>>
>> If you are not the legitimate recipient, please send the e-mail back and
>> delete it
>> on your system. Any unauthorized use or transfer of confidential information
>> may have legal consequences.
>>
>
>
>
> --
> Dr. Ted Ralphs
> Associate Professor, Lehigh University
> (610) 628-1280
> ted 'at' lehigh 'dot' edu
> coral.ie.lehigh.edu/~ted
>



-- 
Dr. Ted Ralphs
Associate Professor, Lehigh University
(610) 628-1280
ted 'at' lehigh 'dot' edu
coral.ie.lehigh.edu/~ted