[Cmpl] CMPL v.1.7.1 released

[Michal Kaut]

Mike,

the new features look really interesting, but I have a question about the
CMPLSever: solving a model on a remote server is already possible using
OSSolverService. What are the differences between the two approaches?


Thanks.

Regards,
Michal


On 29.06.2013 16:16, Mike Steglich wrote:
> Dear CMPL users,
> 
> I am pleased to announce the release of CMPL 1.8.0 .
> 
> *New features and change log*
> * *
> pyCMPL and CMPLServer
> pyCMPL is the CMPL API  for Python and an interactive shell. 
> The main idea of this API is to define sets and parameters within the user
> application, to start and control the solving process and to read the solution(s) 
> into the application if the problem is feasible. All variables, objective 
> functions and constraints are defined in CMPL. 
> These functionalities can be used with a local CMPL installation or a CMPLServer.
> 
> CMPLServer is an XML-RPC-based web service for distributed optimization.
> It is reasonable to solve large models remotely on the CMPLServer that is 
> installed on a high performance system. pyCMPL provides a client API for 
> CMPLServer. CMPL provides three XML-based file formats for the communication 
> between a CMPLServer and its clients. (CmplInstance, CmplSolutions, CmplMessages)
> 
> pyCMPL and CMPLServer are an open source projects licensed under LGPLv3 and  
> available for most of the relevant operating systems (Windows, OS X and Linux)
> 
> New CMPL command line arguments
> -interRelaxation - All integer variables are changed to continuous variables
> -alias  - uses an alias name for the cmpl model
> -solution [filename] - optimization results in CmplSolutions XML format 
> 
> Changed CMPL command line argument
> -gn - turns matrix reductions on (default off) 
> 
> New display options 
> -ignoreVars - Ignores all variables in the solution reports
> -ignorevars - Ignores all constraints in the solution reports
> 
> MPrL XML format is changed into the CmplMessages XML format (CMPL does not
> longer support MPrL)
> New solution XML format CmplSolutions 
> 
> Bug fixing
> A bug for readcsv() that only appeared under Windows is fixed.
> 
> *Binaries*
> The Binaries are available at www.coliop.org/download.html
> <http://www.coliop.org/download.html>.
> 
> *Source code*
> is obtained by checking out the source code using a subversion client.
>    svn co  https://projects.coin-or.org/svn/Cmpl/releases/1.8.0  CMPL
> 
> *Mailing list and support*
> If you are interested to get a direct support, to post bugs or to communicate
> wishes then please use our CMPL mailing list hosted at
> COIN-OR http://list.coin-or.org/mailman/listinfo/Cmpl
> 
> For more information please visit www.coliop.org
> <http://www.coliop.org/>  and projects.coin-or.org/Cmpl
> <http://projects.coin-or.org/Cmpl>.
> 
> *EURO/INFORMS conference 2013*
> If you plan to attend the XXVI EURO - INFORMS Joint International Conference in
> Rom then I would like to invite you to a talk about pyCMPL and CMPLServer next
> Tuesday (02 July 2013, 12:30-14:00, TC-56 - 
> Optimization Modeling II - Room B15-3). 
> 
> 
> Cheers
> 
> 
> Mike Steglich
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