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@olantwin olantwin requested a review from a team as a code owner March 25, 2025 15:04
@olantwin olantwin requested a review from mferril March 25, 2025 15:05
@olantwin
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After 4 hours, it seems like only about 40 events are transported.
This makes the EventCalc generator far too slow to include in the CI, and until the performance is fixed, not suitable for general use.

@olantwin olantwin closed this Mar 25, 2025
@olantwin olantwin reopened this Mar 26, 2025
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Let's see whether HNLs run more quickly.

@mferril
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mferril commented Mar 26, 2025

After 4 hours, it seems like only about 40 events are transported. This makes the EventCalc generator far too slow to include in the CI, and until the performance is fixed, not suitable for general use.

Something must be really off. I have tested it with a local build of FairShip and it takes ca. 15 minutes for 50 events (of which ca. 5 for the GEANT4 initialisation).

@olantwin
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Not sure whether I understand why the example failed.
At least it's only a factor 10 slower than our normal HNL generator.

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mferril commented Mar 26, 2025

Not sure whether I understand why the example failed. At least it's only a factor 10 slower than our normal HNL generator.

Can you also reproduce it locally? I will try with several FairShip versions, but so far it seems I do not see the same.

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I can reproduce the crash on lxplus with 100 events (no crash for 1). The crash doesn't occur with other generators.

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mferril commented Mar 27, 2025

I can reproduce the crash on lxplus with 100 events (no crash for 1). The crash doesn't occur with other generators.

@olantwin can you please send me on mattermost the error log? I will look into this, as it seems quite strange to me. Thanks!

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I can reproduce the crash on lxplus with 100 events (no crash for 1). The crash doesn't occur with other generators.

@olantwin can you please send me on mattermost the error log? I will look into this, as it seems quite strange to me. Thanks!

It's the same one as on the CI: https://github.com/ShipSoft/FairShip/actions/runs/14083794149/job/39442804814

BTW: I had one suspicion for the bad performance (reading from CVMFS instead of from a local file), but that does not seem to be the issue.

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3 participants