[Rivet] Rivet on afs

[Andy Buckley]

Hi Dmitri,

Does that setup script also set up the appropriate compiler, Python, etc.?

They used to not do that, hence I suggested that Kathrin set up Python
2.7 and gcc 4.7 via the ATLAS environment setup system (without pulling
in the rest of the ATLAS packages). But it seems that your setup of gcc
4.7 and the ATLAS one are not quite the same.

In general it would be very useful to have general LCG setup scripts so
I can do, for example, "source /path/to/lcg_gcc47_python27.sh" (one for
each supported LCG platform) and get the equivalent of the environment
that you use to do your builds. I have mentioned this once or twice
before :-P

Thanks,
Andy


On 17/11/14 10:21, Dmitri Konstantinov wrote:
> Hello Andy, Hello Katrhin,
> 
> I would propose to use our GENSER environment scripts provided for each
> package.
> 
> source
> /afs/cern.ch/sw/lcg/external/MCGenerators_lcgcmt67c/rivet/2.2.0/x86_64-slc6-gcc47-opt/rivetenv-genser.sh
> 
> 
> I think Kathrin doesn't have properly defined gcc environment for given
> gcc versions - gcc47, while default(system) lxplus compiler is gcc 4.4
> 
> Cheers,
>      Dima
> 
> 
> 
> On 11/17/14 3:13 PM, Andy Buckley wrote:
>> Hi Kathrin,
>>
>> I have copied this to the Rivet developer mailing list -- please send
>> queries there rather than to me.
>>
>> I'm not sure about this issue -- it looks to me like the Genser build of
>> Rivet/YODA was made using a different build of GCC than the one
>> available via setupATLAS. We do not use libquadmath at all, so it is
>> something that has been linked in by default.
>>
>> I suspect that finding a copy of libquadmath on AFS and putting its
>> containing directory into your LD_LIBRARY_PATH variable would solve the
>> problem, but there should be a standard environment setup for using LCG
>> builds without having to do manual tweaks like that. I've copied in the
>> LCG application area manager and Generator Services team, who I hope can
>> provide an answer. I would also like to know, so I can provide easy
>> instructions to use Genser's Rivet build, for non-ATLAS users.
>>
>> Best wishes,
>> Andy
>>
>>
>> On 17/11/14 10:52, Kathrin Becker wrote:
>>> Dear Andy,
>>>
>>> I'm sorry to bother you again. I tried today to switch away from the
>>> experimental version of rivet to the other one in afs.
>>> I followed your instructions in the email.
>>> But if I now do rivet-cmphistos I get the following error.
>>> [becker at pplxint9 valplots_WW]$ rivet-cmphistos
>>> mc12_8TeV.181416.PowhegPythia8_AU2CT10_HJ_MINLO_ggH125_WW2lep_EF_15_5.evgen.EVNT.e2177_tid01320008_00.yoda
>>>
>>> mc12_8TeV.161224.PowhegPythia8_AU2CT10_ggH125_WW2lep.evgen.EVNT.e2363_tid01352492_00.yoda
>>>
>>> 181999.HJ_MINLO_CT10nnlo_8TeV.yoda
>>> 181997.H_NNLO_22_11_CT10nnlo_8TeV.yoda less standaloneSetupRivet.sh
>>> Traceback (most recent call last):
>>>    File
>>> "/afs/cern.ch/sw/lcg/external/MCGenerators_lcgcmt67c/rivet/2.2.0/x86_64-slc6-gcc47-opt/bin/rivet-cmphistos",
>>>
>>> line 13, in <module>
>>>      import rivet, yoda, sys, os
>>>    File
>>> "/afs/cern.ch/sw/lcg/external/MCGenerators_lcgcmt67c/rivet/2.2.0/x86_64-slc6-gcc47-opt/lib/python2.7/site-packages/rivet/__init__.py",
>>>
>>> line 12, in <module>
>>>      from rivet.core import *
>>> ImportError: libquadmath.so.0: cannot open shared object file: No such
>>> file or directory
>>>
>>> Do you have an idea what I'm doing wrong?
>>> Thank you for your help!
>>> Cheers,
>>> Kathrin
>>>
>>>
>>>
>>> On 11/12/2014 06:55 PM, Andy Buckley wrote:
>>>> On 12/11/14 16:42, Kathrin Becker wrote:
>>>>> Dear Andy,
>>>>>
>>>>> maybe you have already gotten tons of messages about this... But
>>>>> just in
>>>>> case you haven't:
>>>> Actually I didn't get lots of emails about this... you're the first.
>>>> Yes, I was surprised too!
>>>>
>>>>> Is there a reason why the rivet on afs has been move from
>>>>> /afs/cern.ch/sw/lcg/experimental/rivet/ to
>>>>> /afs/cern.ch/sw/lcg/experimental/rivet/bak/ ?
>>>>> Thus, all setup scripts don't work anymore.
>>>>> Should we use a different rivet, that is located somewhere else?
>>>> Yes, that's right! That area was never meant for production use -- the
>>>> hint is in the "experimental" bit of the path! The version in there was
>>>> a pre-release version from about 2 years ago; and was subject to change
>>>> at any time (I'll use it again if I ever need to make a slightly public
>>>> pre-release copy available for testing.)
>>>>
>>>> I just added a README file to that directory explaining how to set up a
>>>> reliable existing AFS Rivet build, but here's the short version:
>>>>
>>>> setupATLAS
>>>> localSetupPython 2.7.3-x86_64-slc6-gcc47
>>>> source
>>>> /afs/cern.ch/sw/lcg/external/MCGenerators_lcgcmt67c/rivet/2.2.0/x86_64-slc6-gcc47-opt/rivetenv.sh
>>>>
>>>>
>>>>
>>>>> PS: I only use rivet outside of Athena to do make-plots, as this
>>>>> sometimes doesn't work when athena is setup.
>>>> Hmm, that's odd. How does it go wrong, and with what release(s)?
>>>>
>>>> Andy
>>>>
>>
> 


-- 
Dr Andy Buckley, Royal Society University Research Fellow
Particle Physics Expt Group, University of Glasgow / PH Dept, CERN