Speed up Puppi [10_6_X]

[kpedro88]

backport of #35799

Reason: to speed up ultra-legacy analysis processing.

[cmsbuild]

A new Pull Request was created by @kpedro88 (Kevin Pedro) for CMSSW_10_6_X.

It involves the following packages:

• CommonTools/PileupAlgos (reconstruction)

@jpata, @cmsbuild, @slava77 can you please review it and eventually sign? Thanks.
@rappoccio, @missirol, @ahinzmann, @jdolen, @gkasieczka, @hatakeyamak, @clelange this is something you requested to watch as well.
@perrotta, @dpiparo, @qliphy you are the release manager for this.

cms-bot commands are listed here

• Backported from Speed up Puppi #35799

[kpedro88]

please test

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-3f8811/19861/summary.html
COMMIT: 7465dfb
CMSSW: CMSSW_10_6_X_2021-10-18-1100/slc7_amd64_gcc700
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmssw/35800/19861/install.sh to create a dev area with all the needed externals and cmssw changes.

Comparison Summary

The workflows 140.53 have different files in step1_dasquery.log than the ones found in the baseline. You may want to check and retrigger the tests if necessary. You can check it in the "files" directory in the results of the comparisons

Summary:

• No significant changes to the logs found
• Reco comparison results: 1076 differences found in the comparisons
• DQMHistoTests: Total files compared: 35
• DQMHistoTests: Total histograms compared: 3215686
• DQMHistoTests: Total failures: 2155
• DQMHistoTests: Total nulls: 105
• DQMHistoTests: Total successes: 3213092
• DQMHistoTests: Total skipped: 334
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 81.002 KiB( 34 files compared)
• DQMHistoSizes: changed ( 140.53 ): 63.680 KiB Hcal/DigiRunHarvesting
• DQMHistoSizes: changed ( 140.53 ): 15.641 KiB Info/EventInfo
• DQMHistoSizes: changed ( 140.53 ): 1.676 KiB RPC/DCSInfo
• DQMHistoSizes: changed ( 140.53 ): 0.006 KiB SiStrip/MechanicalView
• Checked 143 log files, 29 edm output root files, 35 DQM output files
• TriggerResults: no differences found

[slava77]

Reco comparison results: 1076 differences found in the comparisons

almost all of these are in all_OldVSNew_RunHI2011wf140p53 1072 due to The workflows 140.53 have different files in step1_dasquery.log than the ones found in the baseline. .
the rest is also unrelated and appears in the logwarnings coming from the mixing module inputs.

[jpata]

+reconstruction

• technical, no relevant reco changes
• backport of Speed up Puppi #35799

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_10_6_X IBs (tests are also fine) and once validation in the development release cycle CMSSW_12_1_X is complete. This pull request will now be reviewed by the release team before it's merged. @perrotta, @dpiparo, @qliphy (and backports should be raised in the release meeting by the corresponding L2)

[qliphy]

+1