cms-sw
adds Heavy Ion initialization to Pythia [15_0_X]
PR description:
This PR allows initiating the Pythia event generator with ions. The fragment should contain:
generator = cms.EDFilter("Pythia8ConcurrentGeneratorFilter",
...
HeavyIonInitialState = cms.PSet(),
...
)
and the user can set up Beams:idA and Beams:idB manually.
PR validation:
Validated with CMSSW_15_0_X
A new Pull Request was created by @michael-pitt for CMSSW_15_0_X.
It involves the following packages:
- GeneratorInterface/Pythia8Interface (generators)
@bbilin, @cmsbuild, @lviliani, @menglu21, @mkirsano can you please review it and eventually sign? Thanks. @alberto-sanchez, @mkirsano 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
@michael-pitt The usual paradigm is to make a PR to the master release and backport. Is there a reason to do otherwise?
@michael-pitt The usual paradigm is to make a PR to the master release and backport. Is there a reason to do otherwise?
Yes, you are right, I made the PR to the master now (https://github.com/cms-sw/cmssw/pull/48414) I thought it will go faster to 15_0_X this way....
+1
Size: This PR adds an extra 16KB to repository
Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-4df09b/47126/summary.html
COMMIT: d1c6faa47b8f59f4dca7835bc27bd848048a213c
CMSSW: CMSSW_15_0_X_2025-07-07-2300/el8_amd64_gcc12
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmssw/48412/47126/install.sh to create a dev area with all the needed externals and cmssw changes.
Comparison Summary
Summary:
- No significant changes to the logs found
- Reco comparison results: 8 differences found in the comparisons
- DQMHistoTests: Total files compared: 50
- DQMHistoTests: Total histograms compared: 4011390
- DQMHistoTests: Total failures: 76
- DQMHistoTests: Total nulls: 0
- DQMHistoTests: Total successes: 4011294
- DQMHistoTests: Total skipped: 20
- DQMHistoTests: Total Missing objects: 0
- DQMHistoSizes: Histogram memory added: 0.0 KiB( 49 files compared)
- Checked 218 log files, 189 edm output root files, 50 DQM output files
- TriggerResults: found differences in 1 / 48 workflows
This pull request is fully signed and it will be integrated in one of the next CMSSW_15_0_X IBs (tests are also fine) and once validation in the development release cycle CMSSW_15_1_X is complete. This pull request will now be reviewed by the release team before it's merged. @rappoccio, @sextonkennedy, @antoniovilela, @mandrenguyen (and backports should be raised in the release meeting by the corresponding L2)