Updated list of magnetic field steppers and EM physlists for Geant4 10.4

[civanch]

These modifications are recommended by Geant4 experts for the version 10.4. None of those should affect current results, because the default configuration is not changed. This PR includes:

1. addition of optional magnetic field steppers provided by Geant4 team. If enabled this may allow speed-up of FullSim. Two old obsolete steppers are removed from the list.
2. More optimal configuration of CMS custom EM physics constructors, may be result as a tiny optimisation of CPU/memory

[cmsbuild]

The code-checks are being triggered in jenkins.

[civanch]

please test

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-22073/3201

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-any-integration/25846/console Started: 2018/02/01 17:37
https://cmssdt.cern.ch/jenkins/job/ib-any-integration/25847/console Started: 2018/02/01 17:40

[cmsbuild]

A new Pull Request was created by @civanch (Vladimir Ivantchenko) for master.

It involves the following packages:

SimG4Core/Application
SimG4Core/MagneticField
SimG4Core/PhysicsLists

@cmsbuild, @civanch, @mdhildreth can you please review it and eventually sign? Thanks.
@makortel, @namapane this is something you requested to watch as well.
@davidlange6, @slava77, @fabiocos you are the release manager for this.

cms-bot commands are listed here

[cmsbuild]

+1
Tested at: 961b06f
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-22073/25847/summary.html

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-22073/25847/summary.html

@slava77 comparisons for the following workflows were not done due to missing matrix map:

• /build/cmsbld/jenkins/workspace/compare-root-files-short-matrix/results/JR-comparison/PR-22073/1325.7_TTbar_13_94XNanoAODINPUT+TTbar_13_94XNanoAODINPUT+NANOEDMMC2017

Comparison Summary:

• No significant changes to the logs found
• Reco comparison results: 4 differences found in the comparisons
• DQMHistoTests: Total files compared: 26
• DQMHistoTests: Total histograms compared: 2465763
• DQMHistoTests: Total failures: 1
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 2465593
• DQMHistoTests: Total skipped: 169
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 1.13999999993 KiB( 22 files compared)
• Checked 110 log files, 9 edm output root files, 26 DQM output files

[civanch]

+1

[cmsbuild]

The code-checks are being triggered in jenkins.

[civanch]

+1

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-22073/3210

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-any-integration/25858/console Started: 2018/02/02 09:19

[cmsbuild]

Pull request #22073 was updated. @cmsbuild can you please check and sign again.

[cmsbuild]

+1
Tested at: bf10d06
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-22073/25858/summary.html

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-22073/25858/summary.html

@slava77 comparisons for the following workflows were not done due to missing matrix map:

• /build/cmsbld/jenkins/workspace/compare-root-files-short-matrix/results/JR-comparison/PR-22073/1325.7_TTbar_13_94XNanoAODINPUT+TTbar_13_94XNanoAODINPUT+NANOEDMMC2017

Comparison Summary:

• No significant changes to the logs found
• Reco comparison results: 0 differences found in the comparisons
• DQMHistoTests: Total files compared: 26
• DQMHistoTests: Total histograms compared: 2465763
• DQMHistoTests: Total failures: 1
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 2465593
• DQMHistoTests: Total skipped: 169
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 1.11999999992 KiB( 22 files compared)
• Checked 110 log files, 9 edm output root files, 26 DQM output files

[fabiocos]

@civanch as far as I can see the default stepper is unchanged. What about the changes in the physics lists? What should be the effect?

[civanch]

@fabiocos , I have checked, that these modifications do not change results - random number sequence not changed. These minor changes means do not instantiate objects, which are not used and skip some calls to these objects.

[fabiocos]

+1