[G12] 64bit a1c build problem fixed.

Dennis Weygand weygand at jlab.org
Thu Aug 13 04:15:23 EDT 2009


Hm, this is confusing:

Let me summarize what I thought I knew:

1) Paul, at FSU, ran 64/64* vs 64/32 and saw identical banks, however,  
about half the banks were missing from 64/64: however, there were  
tracks and correctly identified particles (pid)
2) Mike, at JLab ran 64/64 vs 32/32 and sees, to some precision,  
identical results, after correcting a problem in tracking
3) Paul, at FSU, using Mike's new code, sees only photons in the PART  
bank, indicating a problem in tracking.

* 64/64 means 64 bit computer, 64 bit mode, 64/32 means 64 bit  
computer, 32 bit mode, etc.

So,
first, correct me if I am wrong,
second, let's standardize by using the same events (and a1c command  
line options)
third, can we get together later today to compare notes?

Dennis


On Aug 12, 2009, at 6:04 PM, Paul Eugenio wrote:

> Hi,
>
> I just rebuilt a1c and did a quick test.   I have not fully studied
> this yet, but I only see pid=1 particles in the PART bank.
>
>
> Paul
>
> --
> Prof. Paul Eugenio
> Florida State University
> Department of Physics
> Tallahassee, Florida,  USA 32306
>
> (850) 644-2585
> eugenio at fsu.edu
>
>
>
> On Aug 12, 2009, at 5:41 PM, mpaolone at jlab.org wrote:
>
>> Hello all,
>>
>> I've just fixed a bug in charged track reconstruction that was
>> keeping x64
>> systems from finding charged tracks in a1c.  The update has been
>> committed
>> to svn, but I'd like independent confirmation from the FSU x64
>> systems.
>> Paul, could you rebuild a1c with the latest subversion revision and
>> check
>> this?
>>
>> Thanks,
>>
>> Mike Paolone
>>
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--
Dennis Weygand
weygand at jlab.org
(757) 269-5926





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