Hi all,

yesterday I submitted a new testpass7 for 5772,
outputs are going in the following directory.
/mss/hallb/hps/engrun2015/tpass7

Note: this is a Full reconstruction pass, where tweaks are applied in 
the compact.xml,
and it uses a new v5 detector.
This uses a new steering file for ntuplemake, which Holly has created 
that doesn't do tweaks.
The reason for this was as Stepan suggested, to check whether pre-recon 
tweaks are consistent with a post-recon tweaks.

Now about the other pass tweakpass that we have discussed in the 
software meeting, which shouldn't
do recon, but rather use pass6 recon, and create another recon from with 
tweaked parameters.
Thinking more about it, this is supposed to read the pass6 recon slcio, 
do tweaks on all track collections e.g.
"GBLTracks" then do run trackDataDriver and ReconParticleDriver.
To do this probably new driver and steering file is needed to be created 
(I think by experts).
Maybe this is easy, but I don't know details.
Please let me know how easy can that be.

I know that Holly is close implementing the RF time correction to the 
highest energy crystal,
and if we decide instead of tweakpass use a full recon pass, then this 
will be an important addition
to the data.

I guess the decision whether to go with a tweakpass or do a new full 
recon mostly depends
on how close is Omar finalizing bump hunt analysis and being ready to 
unblind the data.
If this is something that will be not sooner than a month from now, then 
I would think it is better to
go with a full recon pass, especially farms probably will be more quite 
during the Christmas and New Year.

Another question to those who do/did their analysis on 2015 data, as I 
know no one did not use
v0 skim. Is there any particular reason for that, Are cuts too tight?
If cuts are really too tight, then I would think we don't need to do v0 
skim.
Sebouh did a quick test, by requiring only a presence of a non empty 
unconstrainedv0candidate collection,
but it yields about 13% of the original file, which is not too small.

Similar question for the Moller skim, is anyone using a Moller skim?
If they really are not needed, then dropping them can increase a little 
bit the chance of the job not being a timed out.

I also have another question, probably to Jeremy or tracking experts, a 
lot of recon jobs are
finished without reaching the end of evio file, look bottom of the 
e-mail, for the thrown exception.
I have used source codes of release 3.9, and only modified the 
compact.xml accordingly to take
into account tweaks, and a new steering file is added by Holly, which do 
ntuplemaker without tweaking
parameters (last one should not be related, since is called after recon).

Sorry, it turned out to be a big e-mail
Rafo

Exception in thread "main" java.lang.RuntimeException: Matrix is singular.
         at 
org.hps.recon.tracking.gbl.matrix.LUDecomposition.solve(LUDecomposition.java:281)
         at org.hps.recon.tracking.gbl.matrix.Matrix.solve(Matrix.java:1078)
         at 
org.hps.recon.tracking.gbl.matrix.Matrix.inverse(Matrix.java:1100)
         at 
org.hps.recon.tracking.gbl.GblPoint.getDerivatives(GblPoint.java:533)
         at 
org.hps.recon.tracking.gbl.GblTrajectory.getFitToKinkJacobian(GblTrajectory.java:519)
         at 
org.hps.recon.tracking.gbl.GblTrajectory.prepare(GblTrajectory.java:679)
         at 
org.hps.recon.tracking.gbl.GblTrajectory.construct(GblTrajectory.java:250)
         at 
org.hps.recon.tracking.gbl.GblTrajectory.<init>(GblTrajectory.java:180)
         at 
org.hps.recon.tracking.gbl.GblTrajectory.<init>(GblTrajectory.java:29)
         at 
org.hps.recon.tracking.gbl.HpsGblRefitter.fit(HpsGblRefitter.java:486)
         at 
org.hps.recon.tracking.gbl.MakeGblTracks.doGBLFit(MakeGblTracks.java:157)
         at 
org.hps.recon.tracking.gbl.MakeGblTracks.refitTrack(MakeGblTracks.java:138)
         at 
org.hps.recon.tracking.gbl.GBLRefitterDriver.process(GBLRefitterDriver.java:79)
         at org.lcsim.util.Driver.doProcess(Driver.java:261)
         at org.lcsim.util.Driver.processChildren(Driver.java:271)
         at org.lcsim.util.Driver.process(Driver.java:187)
         at 
org.lcsim.util.DriverAdapter.recordSupplied(DriverAdapter.java:74)
         at 
org.lcsim.job.JobControlManager.processEvent(JobControlManager.java:827)
         at org.hps.evio.EvioToLcio.run(EvioToLcio.java:628)
         at org.hps.evio.EvioToLcio.main(EvioToLcio.java:98)
2016-12-06 14:27:07 [CONFIG] org.lcsim.job.JobControlManager parse :: 
parsing command line arguments
2016-12-06 14:27:07 [CONFIG] org.lcsim.job.JobControlManager parse :: 
steering resource enabled

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