Set default keras backend at runtime

[iarspider]

No description provided.

[cmsbuild]

A new Pull Request was created by @iarspider for branch IB/CMSSW_14_2_X/tf.

@aandvalenzuela, @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

[smuzaffar]

@iarspider , previously this was add in the keras.file ( 1ba91fc ) . I do not remember which packages actually needed this ... do you? Was it one of tfaot package? Though it does not make any sense but I think it is safe to move this to pip/keras.file

[iarspider]

Sure.

[iarspider]

please test

[cmsbuild]

Pull request #9409 was updated.

[iarspider]

please test for CMSSW_14_2_TF_X/el8_amd64_gcc12

[iarspider]

please test for CMSSW_14_2_TF_X/el8_aarch64_gcc12

[smuzaffar]

looks good to go in TF IB

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-724936/41584/summary.html
COMMIT: 95d585e
CMSSW: CMSSW_14_2_TF_X_2024-09-17-1100/el8_aarch64_gcc12
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmsdist/9409/41584/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:

• @youngwan-kim [TauHLT] Add Phase2 MuTau HLT  cmssw#45976
• @iarspider [AlCa] Fix clang static analyzer warnings about dead assignments cmssw#46014
• @iarspider Fix 'Assigned value is garbage or undefined' warning from llvm-analyzer in EcalTBHodoscopeRecInfoAlgo cmssw#46016
• @bsunanda Run3-hcx360 Make ZDC geometry varying with ERAs  cmssw#45511
• @rovere Fix HLTPhoton187L1SeededSequence cmssw#46019
• @cms-tsg-storm Add cfi file for CandPtrSelector cmssw#46022
• @cms-sw Update tag for CalibPPS-ESProducers to V01-05-00 #9408

You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-724936/41584/git-recent-commits.json
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-724936/41584/git-merge-result

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-724936/41581/summary.html
COMMIT: 95d585e
CMSSW: CMSSW_14_2_TF_X_2024-09-17-1100/el8_amd64_gcc12
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmsdist/9409/41581/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:

• @youngwan-kim [TauHLT] Add Phase2 MuTau HLT  cmssw#45976
• @iarspider [AlCa] Fix clang static analyzer warnings about dead assignments cmssw#46014
• @bsunanda Run3-hcx360 Make ZDC geometry varying with ERAs  cmssw#45511
• @rovere Fix HLTPhoton187L1SeededSequence cmssw#46019
• @cms-sw Update tag for CalibPPS-ESProducers to V01-05-00 #9408

You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-724936/41581/git-recent-commits.json
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-724936/41581/git-merge-result

Comparison Summary

Summary:

• You potentially added 136 lines to the logs
• ROOTFileChecks: Some differences in event products or their sizes found
• Reco comparison results: 26806 differences found in the comparisons
• DQMHistoTests: Total files compared: 44
• DQMHistoTests: Total histograms compared: 3331158
• DQMHistoTests: Total failures: 75582
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 3255556
• DQMHistoTests: Total skipped: 20
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: -1.304 KiB( 43 files compared)
• DQMHistoSizes: changed ( 250202.181 ): 0.182 KiB SiStrip/MechanicalView
• DQMHistoSizes: changed ( 25202.0 ): -0.127 KiB SiStrip/MechanicalView
• DQMHistoSizes: changed ( 7.3 ): -0.120 KiB SiStrip/MechanicalView
• DQMHistoSizes: changed ( 8.0 ): -1.239 KiB SiStrip/MechanicalView
• Checked 193 log files, 163 edm output root files, 44 DQM output files
• TriggerResults: found differences in 6 / 42 workflows