fenics team mailing list archive

[Johannes Ring <johannr@xxxxxxxxx>]

On Sun, Feb 14, 2010 at 11:55 PM, Garth N. Wells <gnw20@xxxxxxxxx> wrote:
>
>
> Anders Logg wrote:
>> On Fri, Feb 12, 2010 at 10:27:07AM +0000, Garth N. Wells wrote:
>>>
>>> Anders Logg wrote:
>>>> On Fri, Feb 12, 2010 at 12:18:19AM +0100, Anders Logg wrote:
>>>>> Here's an update on the status for getting packages ready for
>>>>> inclusion in the next Ubuntu LTS release.
>>>>>
>>>>> 1. Johannes needs all releases to be ready by Monday. That will give
>>>>> him a couple of days to prepare the packages.
>>>>>
>>>>> Which releases do we want to make? There have been JIT compiler fixes
>>>>> in FFC and UFL that would be good to get in, and also updates in
>>>>> DOLFIN.
>>>> As far as I can see, we are ready to make the following releases:
>>>>
>>>>   UFL    0.5.2
>>>>   FErari 0.2.0
>>>>   FFC    0.9.1
>>>>
>>>> I can just push the button on these if no one has anything to add.
>>>>
>>>> The following remains:
>>>>
>>>>   Instant 0.9.8: Why is the buildbot failing?
>>>>   DOLFIN  0.9.7: SCOTCH problems
>>>>
>>> DOLFIN should be straightened out today. There are no problems per se,
>>> just the efficiency needs to be improved. I've done this for one
>>> function, and just now need to do it for another.
>>
>> Everything except DOLFIN should be ready for release now. It's
>> currently failing on the buildbot with
>>
>>   In file included from dolfin/fem/DofMap.cpp:24:
>>   dolfin/fem/DofMapBuilder.h:13:35: error: boost/unordered_set.hpp: No
>>   such file or directory
>>   In file included from dolfin/fem/DofMap.cpp:24:
>>
>>> I've found some erratic behaviour with SCOTCH and ParMETIS with larger
>>> numbers of partitions. Sometimes partitioning works, sometimes it hangs.
>>> Can anyone run the elasticity cpp demo with 5 processes?
>>
>> I haven't installed SCOTCH yet, so it fails for me. Is SCOTCH now
>> default? Does it work with the regular SCOTCH in Debian?
>
> No. The Debian package contains only the serial libs. Not sure why.

PT-SCOTCH support was recently added in the package in Debian unstable:

http://packages.debian.org/changelogs/pool/main/s/scotch/scotch_5.1.7.dfsg-1/changelog

Johannes

> Garth
>
> How does it
>> compare to ParMETIS? (Speed, memory usage.) I remember the first time
>> we tried SCOTCH that it was very intensive on memory usage.
>>
>> When I change to ParMETIS, assembling works (but is slow) and then
>> UMFPACK reports a singular matrix.
>>
>> --
>> Anders
>>
>>
>>> Garth
>>>
>>>
>>>
>>>> It would be good to sort out the Instant problem today and the DOLFIN
>>>> problem needs to be fixed before Monday.
>>>>
>>>> Anything else that needs to be released? As far as I can see, nothing
>>>> is needed for UFC, FIAT and Viper.
>>>>
>>>
>
>
>
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