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Calo Framework & HCAL Digitization Status

Calo Framework & HCAL Digitization Status. Optimization using igprof Time Slewing for HCAL Validation. Profiling with igprof. Simple to use > igprof cmsRun –p parameters.cfg > igprof-analyse igprof.nnnn The biggest CPU-using routines really were unnecessary!

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Calo Framework & HCAL Digitization Status

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  1. Calo Framework & HCAL Digitization Status • Optimization using igprof • Time Slewing for HCAL • Validation Rick Wilkinson

  2. Profiling with igprof Simple to use > igprof cmsRun –p parameters.cfg > igprof-analyse igprof.nnnn The biggest CPU-using routines really were unnecessary! • Some blank Calo analog signals were stored in a map, never used • Needed to reserve size for output Calo digi collections • CSC was saving Digi-SimHit links in a map, but never using. All Calo subdetectors use the same framework, so optimizations affect them all Rick Wilkinson

  3. 10 30 100 225 GeV HCAL Time Slew In testbeam, small signals arrive slower: Rick Wilkinson

  4. HCAL Time Slew • Implemented by delaying each SimHit in the shower, according to that curve • Calo framework has a hook for HitCorrections • Unlikely to reproduce that curve! • Delaying each SimHit isn’t the same as delaying the final signal • Can tweak parameters later Rick Wilkinson

  5. Validation • Ultimate validation: RUN FULL CHAIN UP TO JETS • Have .cfg file • not seeing ECAL RecHits yet. • Seeing HCAL RecHits, towers, jets. • Need to compare summed SimHit energy & RecHit energy • This is today’s job for me. Rick Wilkinson

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