Analysis Miscellaneous
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Revision as of 12:24, 21 January 2015 by Pmatt (Talk | contribs) (→RF Beam Bunch Selection & Timing Details)
Tricks for saving time and memory
- Change the binning and/or range of the built-in histograms after constructing the corresponding DAnalysisAction object.
- Because there may be many DParticleCombo objects for an event, perform as many cuts as possible prior to kinematic fitting.
- This includes extremely-loose cuts (well beyond the range at which your final cut will be) on all of the physical quantities of interest (e.g. mass peaks).
- To branch an analysis, create a new (but identical) DReaction object (with the same DReactionStep pointers), then simply repeat or change any of the DAnalysisActions.
- If the DReactionStep objects are re-used, the framework will realize that the DParticleComboBlueprintStep objects will be the same, and will simply reuse them.
- Note that the DParticleCombo objects will not be identical since they will contain a pointer to a different DReaction.
- If the kinematic fit type is also the same, it will skip the kinematic fit of the new DParticleCombo objects entirely and just copy the previous results since they will be identical.
- If the DReactionStep objects are re-used, the framework will realize that the DParticleComboBlueprintStep objects will be the same, and will simply reuse them.
