Adding pass-through option to MultiTrackSelector (for LST tracking / seeding) - LST-internal only

[mmasciov]

As per title.

FYI: @bucket420, @slava77, @bdanzi

[mmasciov]

run-ci: all

[github-actions]

The PR was built and ran successfully in standalone mode running on CPU. Here are some of the comparison plots.

The full set of validation and comparison plots can be found here.

Here is a timing comparison:

   Evt    Hits       MD       LS      T3       T5       pLS       pT5      pT3      TC       Reset    Event     Short             Rate
   avg     35.8    401.3    277.8    196.4     68.9    837.9     14.0    148.2    127.2    258.7      0.1    2366.3    1492.6+/- 704.8     761.2   explicit[s=4] (target branch)
   avg     31.1    371.0    259.7    154.2     59.7    776.0     11.9    137.1    133.3    268.3      0.1    2202.4    1395.2+/- 467.3     742.0   explicit[s=4] (this PR)

[github-actions]

There was a problem while building and running with CMSSW. The logs can be found here.

[mmasciov]

run-ci: all

[github-actions]

The PR was built and ran successfully in standalone mode running on CPU. Here are some of the comparison plots.

The full set of validation and comparison plots can be found here.

Here is a timing comparison:

   Evt    Hits       MD       LS      T3       T5       pLS       pT5      pT3      TC       Reset    Event     Short             Rate
   avg     28.2    324.0    243.2    137.1     47.4    699.6     10.9    116.0    118.5    209.2      0.8    1934.9    1207.1+/- 289.8     599.5   explicit[s=4] (target branch)
   avg     28.2    324.3    242.6    136.4     47.7    699.6     10.9    115.5    120.0    208.9      0.1    1934.2    1206.5+/- 292.6     600.3   explicit[s=4] (this PR)

[github-actions]

The PR was built and ran successfully with CMSSW running on CPU. Here are some plots.

OOTB All Tracks

The full set of validation and comparison plots can be found here.

[slava77]

which of these is making a change in plots_building_highPtTripletStep ?

Now that the selector functionality allows to select T4/T5 from the same collection, can we already use a merged collection?