#6603 closed enhancement (fixed)
[with spkg, positive review] COIN-OR / CBC for SAGE
Reported by: | ncohen | Owned by: | jkantor |
---|---|---|---|
Priority: | major | Milestone: | sage-4.1.2 |
Component: | packages: optional | Keywords: | |
Cc: | Merged in: | Sage 4.1.2.alpha0 | |
Authors: | Nathann Cohen | Reviewers: | David Joyner |
Report Upstream: | N/A | Work issues: | |
Branch: | Commit: | ||
Dependencies: | Stopgaps: |
Description (last modified by )
CBC is a Free ( though not GPL-compatible ) Linear Program and Mixed Integer Program Solver from the COIN-OR suite.
Even though it is not Free and will have to remain an optional package, COIN-OR has performances way above GLPK which is to be used by default in SAGE ( see http://trac.sagemath.org/sage_trac/ticket/6502 and http://groups.google.com/group/sage-devel/browse_thread/thread/9da47e06bcdfc49f )
This SPKG contains the last version of CBC and a Cython class to make it available through numerical.mip when installed.
The SPKG can be found at this address : http://www-sop.inria.fr/members/Nathann.Cohen/cbc-2.3.spkg
I hope you will like it ! ;-)
Change History (18)
comment:1 Changed 9 years ago by
- Description modified (diff)
comment:2 Changed 9 years ago by
comment:3 Changed 9 years ago by
- Summary changed from [with SPKG, need review] COIN-OR / CBC for SAGE to [with SPKG, need work] COIN-OR / CBC for SAGE
comment:4 Changed 9 years ago by
- Summary changed from [with SPKG, need work] COIN-OR / CBC for SAGE to [with SPKG, need review] COIN-OR / CBC for SAGE
It comes from the fact that I stupidly forgot to add a "cd .." somewhere... I just updated the spkg, it should work a bit better now ;-)
comment:5 Changed 9 years ago by
This installs fine on an amd64 ubuntu 9.04 machine and passes sage -testall.
Unless there are further tests to run, I give this a positive review as an optional package.
comment:6 Changed 9 years ago by
This spkg creates a class numerical.MIPCoin, but it is an extension to numerical.MIP ( see http://trac.sagemath.org/sage_trac/ticket/6502 ), and I think the reviewing process of these two files should go in paralell ;-)
( And I also hope there will be nothing to change :-) )
comment:7 Changed 9 years ago by
- Type changed from defect to enhancement
I just updated the SPKG, which now raises exceptions when the computations are wrong for some reason, and added some bugfixes ;-)
comment:8 Changed 9 years ago by
comment:9 Changed 9 years ago by
The only thing that can be checked on this SPKG for the moment is the installation process. Most of the tests will occur during the reviewing of #6502 .
It seems you had some problems in #6502 applying the patch I posted, and I thought it may be because I was working on an old version of SAGE. If you are available to review #6502 I would be glad to install a new one and create a new patch for this version, containing all the stuff related to the class mip. It will take some time though, as I have to compile SAGE ( there is no binary version for my distribution ). Do you know how I could download the sources Sage 4.1.1.rc0 ?
As soon as it will be compiled, you will have the new patch ! ;-)
Thank you !
comment:10 Changed 9 years ago by
You can find it here: http://sage.math.washington.edu/home/mvngu/release/sage-4.1.1.rc0.tar
comment:11 Changed 9 years ago by
I just gave #6502 a positive review. Does that mean this can change to positive as well?
comment:12 Changed 9 years ago by
I just updated the spkg to fix something important that I did not notice because I always worked on Integer programs. I also added an Exception in the case where the user tries to solve() a program without having defined its objective function, but that is all :-)
comment:13 Changed 9 years ago by
This cbc-2.3.spkg package installs fine for 4.1.1.a1 on an amd64 ubuntu 9.04 machine and passes sage -testall, except for the known failures (abstract_method.py and lazy_attribute.py).
Nathann, can you tell me which existing Sage python or cython files (if any) your package modifies? Does it modify any files in another spkg (other than cbc, I mean)?
comment:14 Changed 9 years ago by
This spkg just install all the Cbc-related librarires with a regular /configure && make && make install, then installs the class sage.numerical.mipCoin with a setup.py script ( which, if I make no mistake, creates no file except in the build/directory.
In the end, I'd say this package does not touch a hair of any pre-existing file in Sage ! ;-)
comment:15 Changed 9 years ago by
- Summary changed from [with SPKG, need review] COIN-OR / CBC for SAGE to [with SPKG, positive review] COIN-OR / CBC for SAGE
Okay, thanks.
Changing this to "positive review" as an optional package.
comment:16 Changed 9 years ago by
- Milestone set to sage-4.1.2
comment:17 Changed 9 years ago by
- Component changed from numerical to optional packages
- Merged in set to Sage 4.1.2.alpha0
- Resolution set to fixed
- Reviewers set to David Joyner
- Status changed from new to closed
- Summary changed from [with SPKG, positive review] COIN-OR / CBC for SAGE to [with spkg, positive review] COIN-OR / CBC for SAGE
Merged in optional packages repository. See this page
http://www.sagemath.org/packages/optional/
and CBC is available at
http://www.sagemath.org/packages/optional/cbc-2.3.spkg
ON an amd64 ubuntu 9.04 machine, I got an error in installationof cbc. Here is the tail:
Any idea what the problem is?