[ROOT636] Updated root to tip of branch v6-36-00-patches

[iarspider]

Changes: root-project/root@cf548e1...6a6ed1a
Some updates for RDataFrame

[cmsbuild]

A new Pull Request was created by @iarspider for branch IB/CMSSW_15_1_X/root636.

@cmsbuild, @iarspider, @smuzaffar can you please review it and eventually sign? Thanks.
@antoniovilela, @mandrenguyen, @rappoccio, @sextonkennedy you are the release manager for this.
cms-bot commands are listed here

[cmsbuild]

cms-bot internal usage

[iarspider]

please test

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-4e1f2e/46040/summary.html
COMMIT: 1375afc
CMSSW: CMSSW_15_1_ROOT636_X_2025-05-09-2300/el8_amd64_gcc12
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week0/cms-sw/cmsdist/9850/46040/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:

• @cms-sw SCRAMV1: fix typo in scramfatal message #9847
• @smuzaffar Updated root to tip of branch v6-32-00-patches #9841
• @fwyzard Update RDMA Core, OFI, UCX, and Open MPI #9818

You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-4e1f2e/46040/git-recent-commits.json
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-4e1f2e/46040/git-merge-result

Comparison Summary

Summary:

• You potentially added 240 lines to the logs
• ROOTFileChecks: Some differences in event products or their sizes found
• Reco comparison results: 766 differences found in the comparisons
• DQMHistoTests: Total files compared: 50
• DQMHistoTests: Total histograms compared: 4038131
• DQMHistoTests: Total failures: 1541
• DQMHistoTests: Total nulls: 32
• DQMHistoTests: Total successes: 4036538
• DQMHistoTests: Total skipped: 20
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 37.904 KiB( 49 files compared)
• DQMHistoSizes: changed ( 145.014,... ): 4.246 KiB L1TEMU/L1TdeStage2EMTF
• DQMHistoSizes: changed ( 145.014,... ): 0.492 KiB L1T/L1TStage2uGT
• Checked 215 log files, 184 edm output root files, 50 DQM output files
• TriggerResults: found differences in 5 / 48 workflows

[smuzaffar]

+externals

good to go in for ROOT636 IBs

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next IB/CMSSW_15_1_X/root636 IBs (tests are also fine). This pull request will now be reviewed by the release team before it's merged. @mandrenguyen, @sextonkennedy, @antoniovilela, @rappoccio (and backports should be raised in the release meeting by the corresponding L2)

[mandrenguyen]

+1