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Fix bug in L1 track duplicate removal for displaced tracking #44574
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cms-bot internal usage |
+code-checks Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-44574/39729
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A new Pull Request was created by @tomalin for master. It involves the following packages:
@epalencia, @cmsbuild, @aloeliger can you please review it and eventually sign? Thanks. cms-bot commands are listed here |
Add cms-sw#44574 to Prototype
* Add z0 resolution to performance printout * code format
* Disable binning in DR * bug fix * add comment * code format * tweak comment * fix previous erroneous commit
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Rebased to CMSSW_14_1_X_2024-04-08-1100 |
+code-checks Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-44574/39862
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Pull request #44574 was updated. @epalencia, @cmsbuild, @aloeliger can you please check and sign again. |
Added recent tidy up of function getInventedCoordsExteneded from plus fix by me to long-term bug in same function. |
-code-checks Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-44574/39864
Code check has found code style and quality issues which could be resolved by applying following patch(s)
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+code-checks Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-44574/39865
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Pull request #44574 was updated. @epalencia, @cmsbuild, @aloeliger can you please check and sign again. |
Please test |
+1 Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-d88fbf/38741/summary.html Comparison SummarySummary:
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+l1 |
This pull request is fully signed and it will be integrated in one of the next master IBs (tests are also fine). This pull request will now be reviewed by the release team before it's merged. @antoniovilela, @rappoccio, @sextonkennedy (and backports should be raised in the release meeting by the corresponding L2) |
+1 |
PR description:
This fixes two bugs in PurgeDuplicate.cc , which had been present since CMSSW 13_2, and which affected the extended (i.e. displaced) L1 tracking. One concerned the ranking of seed types, which had been accidentallly disabled for displced tracks. The other concerned the "inventStubs" option, Which had incorrectly assumed L2L3D1 seeds use L2D1 to determine the r-z helix params, whereas it is really L2L3. The inventStubs option has also been disabled until we've understood if it causes a memory leak.
It also includes a tidy up of the code in PurgeDuplicate::getInventedCoordsExtended() from @aehart .
On ttbar+200PU, the performance of the extended L1 tracking is:
Before bug fix:
efficiency (for pt > 3 GeV) = 96.46 +- 0.14%
tracks/event = 350
After bug fix:
efficiency (for Pt > 3 GeV) = 96.72 +- 0.14%
tracks/event = 262
The PR also includes minor changes to a ROOT plotting macro.