Oh no, sorry, this was a typo!
YES SCIP WORKS!
Only, for some reason this is now slower than GLPK - I'm lost. I'll look
through the tickets, I think there was a specific one responsible for big
speedups.
Thank you so much for your support!
Martin
On Friday 16 February 2024 at 20:18:42 UTC+1 Dima Pasechnik wrote:
> You need an SPD solver - it's a different package, scip_sdp, not pyscipopt.
> Try
>
> make scip_sdp
>
> (probably followed up by "make build", just in case)
>
> On 16 February 2024 18:39:52 GMT, 'Martin R' via sage-devel <
> sage-...@googlegroups.com> wrote:
>
>> Any hope left? If not, which version of sage do I have to downgrade to?
>>
>> Thank you for all the hints so far!
>>
>> Martin
>>
>> martin@toolbox:~/sage-trac$ ./sage -pip install pyscipopt
>> Collecting pyscipopt
>> Downloading
>> PySCIPOpt-4.4.0-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl.metadata
>>
>> (8.3 kB)
>> Downloading
>> PySCIPOpt-4.4.0-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl
>> (12.9 MB)
>> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 12.9/12.9 MB 5.3 MB/s eta
>> 0:00:00
>> Installing collected packages: pyscipopt
>> Successfully installed pyscipopt-4.4.0
>> martin@toolbox:~/sage-trac$ sage
>> ┌────────────────────────────────────────────────────────────────────┐
>> │ SageMath version 10.3.beta8, Release Date: 2024-02-13 │
>> │ Using Python 3.10.12. Type "help()" for help. │
>> └────────────────────────────────────────────────────────────────────┘
>> ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
>> ┃ Warning: this is a prerelease version, and it may be unstable. ┃
>> ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
>>
>> sage: default_sdp_solver("SCIP")
>>
>>
>> ---------------------------------------------------------------------------
>> ValueError Traceback (most recent call
>> last)
>>
>> ...
>>
>>
>> On Friday 16 February 2024 at 18:33:07 UTC+1 Dima Pasechnik wrote:
>>
>>> But you can be lucky with the binary wheel you can get from PyPI. I
>>> didn't test it though, but perhaps it will just work.
>>>
>>> On Friday, February 16, 2024 at 4:55:21 PM UTC Matthias Koeppe wrote:
>>>
>>>> As noted in
>>>> https://github.com/sagemath/sage/wiki/Sage-10.2-Release-Tour#known-problems-and-workarounds,
>>>>
>>>> our pyscipopt package has not been updated to work with Cython 3 yet.
>>>> (Still the same in upstream PySCIPOpt master, as noted
>>>> https://github.com/scipopt/PySCIPOpt/pull/630#issuecomment-1938080592)
>>>>
>>>> On Friday, February 16, 2024 at 7:48:09 AM UTC-8 Martin R wrote:
>>>>
>>>>> I (urgently) need the scip MILP solver (on 10.3.beta8, Ubuntu 22.04).
>>>>>
>>>>> sage -i pyscipopt
>>>>>
>>>>> ends with
>>>>>
>>>>> ***************************************************************
>>>>> Error building Sage.
>>>>>
>>>>> The following package(s) may have failed to build (not necessarily
>>>>> during this run of 'make pyscipopt'):
>>>>>
>>>>> * package: numpy-1.26.2
>>>>> last build time: Feb 4 18:46
>>>>> log file: /home/martin/sage-trac/logs/pkgs/numpy-1.26.2.log
>>>>>
>>>>> * package: pyscipopt-4.3.0
>>>>> last build time: Feb 16 16:44
>>>>> log file: /home/martin/sage-trac/logs/pkgs/pyscipopt-4.3.0.log
>>>>>
>>>>> It is safe to delete any log files and build directories, but they
>>>>> contain information that is helpful for debugging build problems.
>>>>> WARNING: If you now run 'make' again, the build directory of the
>>>>> same version of the package will, by default, be deleted. Set the
>>>>> environment variable SAGE_KEEP_BUILT_SPKGS=yes to prevent this.
>>>>>
>>>>> make: *** [Makefile:40: pyscipopt] Error 1
>>>>>
>>>>> The log is attached.
>>>>>
>>>>> Please excuse me posting to the wrong list, etc.
>>>>>
>>>>> Martin
>>>>>
>>>>
--
You received this message because you are subscribed to the Google Groups
"sage-devel" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to sage-devel+unsubscr...@googlegroups.com.
To view this discussion on the web visit
https://groups.google.com/d/msgid/sage-devel/6907b47b-96b2-45fb-8bd6-f437b023e935n%40googlegroups.com.
