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fix: Stitch tracks correctly after second pass in Examples Track Finding #3597

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merged 3 commits into from
Sep 9, 2024

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andiwand
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@andiwand andiwand commented Sep 6, 2024

Stich tracks from first measurement not from first state otherwise we can end up with double counting material states.

discovered in #3391

@andiwand andiwand added this to the next milestone Sep 6, 2024
@github-actions github-actions bot added Component - Examples Affects the Examples module Track Finding labels Sep 6, 2024
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github-actions bot commented Sep 6, 2024

📊: Physics performance monitoring for 2db24d1

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physmon summary

@andiwand andiwand requested a review from timadye September 6, 2024 12:45
@andiwand andiwand marked this pull request as ready for review September 6, 2024 14:39
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timadye commented Sep 9, 2024

With 100 events ttbar_pu200, full_chain_itk.py, #3597 TrackFindingAlgorithm is 1% slower than it's base main (26b059f). There is one additional pair of ERROR messages, though those join 8 similar ones already in main:

TrackFinding   ERROR     Extrapolation for seed 7998 and track 0 failed with error SurfaceError:1
TrackFinding   ERROR     failed to extrapolate track: SurfaceError:1

I don't see any significant performance change.

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sonarqubecloud bot commented Sep 9, 2024

@kodiakhq kodiakhq bot merged commit d80f91f into acts-project:main Sep 9, 2024
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@github-actions github-actions bot removed the automerge label Sep 9, 2024
@acts-project-service acts-project-service added the Breaks Athena build This PR breaks the Athena build label Sep 9, 2024
@andiwand andiwand deleted the fix-ex-tf-track-stitching branch September 10, 2024 07:57
@acts-project-service acts-project-service added the Fails Athena tests This PR causes a failure in the Athena tests label Sep 10, 2024
kodiakhq bot pushed a commit that referenced this pull request Sep 27, 2024
Since the Core CKF is growing into its own components which is then absorbed by a track finding algorithm it also allows us to extend tracks into different regions of the detector. While extending tracks we map want to keep eventual holes/material/outliers states at the end or beginning of the track. For this reason the CKF is modified to return all the states it found.

For convenience of the user I added helper functions which allow to trim tracks. This is then exercised in the Examples track finding.

blocked by
- #3597
- #3644
- #3648
@paulgessinger paulgessinger modified the milestones: next, v37.0.0 Oct 4, 2024
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Breaks Athena build This PR breaks the Athena build Component - Examples Affects the Examples module Fails Athena tests This PR causes a failure in the Athena tests Track Finding
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4 participants