[14_0_X] Alpaka Pixel: Write nTracks=0 When No Track Stored

[AdrianoDee]

PR description:

Plain backport of #45876 to 14_0_X

[cmsbuild]

A new Pull Request was created by @AdrianoDee for CMSSW_14_0_X.

It involves the following packages:

• RecoTracker/PixelSeeding (reconstruction)

@cmsbuild, @jfernan2, @mandrenguyen can you please review it and eventually sign? Thanks.
@GiacomoSguazzoni, @JanFSchulte, @VinInn, @VourMa, @dgulhan, @felicepantaleo, @gpetruc, @missirol, @mmusich, @mtosi, @rovere this is something you requested to watch as well.
@antoniovilela, @mandrenguyen, @rappoccio, @sextonkennedy you are the release manager for this.

cms-bot commands are listed here

• Backported from Alpaka Pixel: Write nTracks=0 When No Track Stored #45876

[cmsbuild]

cms-bot internal usage

[AdrianoDee]

type bug-fix

[AdrianoDee]

test parameters:

• workflow_opts = -w upgrade
• workflows_gpu = 12461.402, 12861.0, 12851.402
• workflows = 12461.402, 12861.0, 12851.402

[AdrianoDee]

please test

[cmsbuild]

This PR contains too many commits (3381 >= 240) and will not be processed.
Please ensure you have selected the correct target branch and consider squashing unnecessary commits.
The processing of this PR will resume once the commit count drops below the limit.

[AdrianoDee]

backport of #45876

[AdrianoDee]

please abort

[AdrianoDee]

test parameters:

• workflow_opts = -w upgrade
• workflows_gpu = 12461.402, 12861.0, 12861.402
• workflows = 12461.402, 12861.0, 12861.402

[AdrianoDee]

please test

[cmsbuild]

+1

Size: This PR adds an extra 20KB to repository
Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-b596e6/41296/summary.html
COMMIT: d4ceaa8
CMSSW: CMSSW_14_0_X_2024-09-04-1100/el8_amd64_gcc12
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmssw/45877/41296/install.sh to create a dev area with all the needed externals and cmssw changes.

The following merge commits were also included on top of IB + this PR after doing git cms-merge-topic:

• @mmusich [14.0.X] TrackingRecHitsSoACollection: early return hostData in CopyHost::copyAsync() when there aren't hits #45858

You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-b596e6/41296/git-recent-commits.json
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-b596e6/41296/git-merge-result

Comparison Summary

Summary:

• You potentially removed 10 lines from the logs
• Reco comparison results: 144 differences found in the comparisons
• DQMHistoTests: Total files compared: 52
• DQMHistoTests: Total histograms compared: 3651910
• DQMHistoTests: Total failures: 2714
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 3649176
• DQMHistoTests: Total skipped: 20
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 51 files compared)
• Checked 219 log files, 185 edm output root files, 52 DQM output files
• TriggerResults: no differences found

[AdrianoDee]

urgent

• backport(s) needed for datataking

[antoniovilela]

ping @cms-sw/reconstruction-l2

[jfernan2]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_14_0_X IBs (tests are also fine) and once validation in the development release cycle CMSSW_14_2_X is complete. This pull request will now be reviewed by the release team before it's merged. @sextonkennedy, @antoniovilela, @rappoccio, @mandrenguyen (and backports should be raised in the release meeting by the corresponding L2)

[mandrenguyen]

+1