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modify find_duplicates_sharedhits #393

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leonardogiannini wants to merge 1 commit into trackreco:devel from leonardogiannini:dupl-cleaning-algo

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leonardogiannini commented Feb 2, 2022 •

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this PR modifies find_duplicates_sharedhits used in pixelless and tobtec to fdollow a logic similar to cmssw

maps hits to tracks
find for each tracks the ones the share hits with it and how many

this allows to avoid nested track-track loops

the timing is reduced by a factor from ~2 to 4, while the physics is not changed i.e. same number of output tracks

new vs old time for the function (10 evts)
speed up plot (10 evts)


          modify find_duplicates_sharedhits as in cmssw - 2 loops and mapping o…

efbe03a

…n the hits/ no nested trk-trk loops

Collaborator

mmasciov commented Apr 9, 2022

Closing, as superseded by cms-sw/cmssw#37122.

mmasciov closed this

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