Background runs at the UW “farm” A little background: we have installed the GRID-standard condor from the other UW in Madison. –Currently 6 CPUs available,

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Background runs at the UW “farm” A little background: we have installed the GRID-standard condor from the other UW in Madison. –Currently 6 CPUs available, including 2 on new hyperthreaded machine just for batch jobs –Many more in principle available in department –glast-ts is the submit machine, supplies one CPU to farm –Worker machines get Glast software using mapped glast-ts drive Using the DC2 proposed scheme –Two jobs, first creates incoming list for 1 orbit-second, second processes Assign run number: second after launch. Run only every 100 th run. Should allow replay. (But see later) Run recon only if triggers and passes onboard filter –Trigger includes LOCAL only for now, no throttle –8 kHz trigger rate, 450 Hz downlink (not counting SAA or deadtime) –running ~250 jobs/day. Started run with HEAD1.594 on Friday, up to now Fastest machine (new 64-bit processor Mips) takes 30 min/job, slowest (1000 Mips) 100 min.

Runs missing?

Reproducibility test Used HEAD1.585, run 2000 –Make a run/event list from the “downlink” events, extract these incoming particles –Run job #2 on this sampled input file –Compare the two tuple files entry by entry Results: not a disaster –Using criteria that if CalEnergyRaw is identical (to 6 figures), about ½ pass. –Suspect a RandGauss flag is not being reset. Used by Acd, Cal, Tkr. –But pass ratio is energy dependent. 