P118 Reprocessing

status: In preparation Complete
last update: 15 Feb 25 May 2011

This page is a record of the configuration for the P118 reprocessing project, recalculating diffuse response with new P6_V11 IRFs and adding to existing FT1 files. This processing will be applied to all science data, be incorporated into Level 1 processing, and results sent to the FSSC.

• P118-FT1 - this task will read existing FT1 (photons) files and emit new FT1 files

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Note: 'procVer' is a field added to the file name (and the keyword "PROC_VER" in the primary header) added to the FFD (.doc, or PDF) on 5/12/2010. Ref: http://fermi.gsfc.nasa.gov/ssc/dev/current_documents/Science_DP_ICD_RevA.pdf^{Image Removed}

Example:

/glast/Data/Flight/Reprocess/P118/ft1/gll_ph_p116p118_r0239559565_v116v118.fit
/glast/Data/Flight/Reprocess/P118/ls1/gll_ev_p116p118_r0239559565_v116v118.fit

DataCatalog location and naming

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Final number of selected photon events (in the FT1 and LS1 files) = TBD

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242429468

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499

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nomSciOps_trigTest

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LAT_CONFIG = 1

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These data (along with subsequent Level 1 data) will be in the SLAC Astroserver as P6_public_v3.
Three extra runs were unintentionally processed as part of P116:

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Run

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Task Stream

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Trigger

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LAT configuration flag

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Disposition

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250687192

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1948

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hldVetoCalib_Hi

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LAT_CONFIG = 0

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removed

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250692922

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1949

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hldVetoCalib_Lo

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LAT_CONFIG = 0

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removed

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The first of these was deemed good for science, while the last two were not. Therefore, runs 250687192 and 250692922 have been retroactively removed from the datacatlog, astroserver and FSSC.

Bookkeeping

1. (This page): Define ingredients of reprocessing (processing code/configuration changes)
2. Processing History database: http://glast-ground.slac.stanford.edu/HistoryProcessing/HProcessingRuns.jsp?processingname=P118^{Image Removed}
   1. List of all reprocessings
   2. List of all data runs reprocessed
   3. Pointers to all input data files (-> dataCatalog)
   4. Pointers to associated task processes (-> Pipeline II status)
3. Data Catalog database: http://glast-ground.slac.stanford.edu/DataCatalog/folder.jsp^{Image Removed}
   1. Lists of and pointers to all output data files
   2. Meta data associated with each output data product

P118-FT1

Anchor
P118-FT1 P118-FT1

(This task is roughly , in configuration, equivalent to the P105 P116-FT1 task but with updates and modernization, bypassing all but the gtdiffrsp step.)

Status chronology

5/25/2011 - Begin and complete reprocessing block3, 552 runs (324855475 through 327999656)
start 09:30, complete 11:40
4/20/2011 - Begin and complete reprocessing block2, 908 runs (319658690 through 324849509)
start 11:30, complete 14:00
3/24/2011 - Eight runs re-reprocessed due to updated FT1 files from Level 1:

316703389
316739248
316744661
316761944
316767672
316773400
316776949
318795366

2/23/2011 - Block 1 complete
2/22/2011 - Begin trickleStream of block1
2/15/2011 - Begin configuration for this task

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Task Location	/nfs/farm/g/glast/u38/Reprocess-tasks/P118-FT1
Task Status	P118-FT1
Input Data Selection	FT1
Input Run List	http://glast-ground.slac.stanford.edu/Decorator/Decorate/u38/Reprocess-tasks/P118-FT1/config/runFile.txtImage Removed
Reprocessing Mode	reFT1 doDiffRsp
evtClassDefs 00-18-00	n/a (see P116)
photon cut pass6_FSW_cuts	n/a (see P116)
eventClassifier dataclean_classifier.py	n/a (see P116)
s/c data	FT2 from P105 (runs 239557414 - 271844560), then from current Level 1 production
ScienceTools	TBD ** 09- 22 21-00 ? (SCons build)
Allowed Code Variants	redhat4-i686-32bit-gcc34, redhat4-x86_64-64bit-gcc34, redhat5-i686-32bit-gcc41, redhat5-x86_64-64bit-gcc41 (Optimized)
Diffuse Model	/afs/slac.stanford.edu/g/glast/ground/releases/analysisFilesgroups/diffuse/v2mapcubes/source_model_v02_P6_V11_DIFFUSE.xml ( https://confluence.slac.stanford.edu/display/SCIGRPS/Diffuse+Model+for+Analysis+of+LAT+DataImage Removed )
Diffuse Response IRFs	P6_V3V11_DIFFUSE , P6_V3_DATACLEAN
Output Data Products	FT1, LS1

Processing chain for FITS data products

Note on 'Code Variant': The SLAC batch farm contains a mixture of architectures , both hardware (Intel/AMD 64-bit) and software (RedHat Enterprise Linux 4, and 5, gcc 3.4, 4.1, etc.). Currently, all batch machines have 64-bit hardware and (most, if not all) run with the 64-bit operating systems.

Note on diffuse response calculation: gtdiffrsp is called two times in succession. For the bulk of this processing, the incorrect parameter was used for gtdiffrsp (IRF P6_V3_DIFFUSE and evclass==3, and IRF P6_V3_dataclean and evclass==4). After block2 this was corrected to IRF P6_V3_DIFFUSE and evclsmin==3, and IRF P6_V3_DATACLEAN and evclsmin==4. The resulting FT1 files have five columns for diffuse response of which two pairs are filled in for DATACLEAN, one pair for DIFFUSE and zero for all other events. Each pair contains galactic and extragalactic response.

Timing

The execution of gtdiffrsp happens in the mergeClumps step and takes ~5 hequ-minutes per run (on average) to complete. Some individual runs (few percent) take considerably longer...up to 2 hours.
(update 5/25/2011) Statistics for mergeClump now show mean time of 14.4 CPU minutes (averaged across all CPU types, but mostly hequ and boer)

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