Avoid unnecessary cotan and division operations - Githubissues

trackreco / mkFit

Vectorized, Parallelized Tracking

https://trackreco.github.io/

Apache License 2.0

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Avoid unnecessary cotan and division operations #388

Closed mmasciov closed 2 years ago

mmasciov commented 2 years ago

PR description

As per title, avoid unnecessary expensive operations.

PR validation

TTbarPU50: https://mmasciovecchio.web.cern.ch/BTV_Nov2021/MTV_extraspeedup_Nov28/ --> No effect on physics. --> Despite overall 'offset', it is clear that building time is reduced significantly for mkFit iterations: https://mmasciovecchio.web.cern.ch/BTV_Nov2021/MTV_extraspeedup_Nov28/plots_timing/iterationsReal.pdf