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ROOT Team Meeting
Videoconference
ROOT Team Meeting
- Zoom Meeting ID
- 97374667082
- Host
- Axel Naumann
- Alternative hosts
- Bertrand Bellenot, Lorenzo Moneta, Danilo Piparo, Enrico Guiraud, Jakob Blomer, Vincenzo Eduardo Padulano
- Useful links
- Join via phone
- Zoom URL
-
Meeting Notes
News
- Github Actions:
- Working successfully.
- We have a private conda repository and shared file system on AFS.
- Trying to use ssh-copy in actions.
- Pyroot Issues:
- Under control, was another thread safety issue.
- Discussion ongoing with Vim about cppyy's safety.
- Issue fixed in ROOT, CI suite is green.
- Sporadic failures in DataFrame, another thread safety issue. Opened a PR, CI is green.
Shifter:
- Nothing much to report.
TMVA:
- Student started working but is busy with exams this week.
PPP:
- Sebastian Bromer from KIT: Software for analysis called Crown.
- 10 analysis groups using this framework, based on RDataframe.
- Detailed overview provided.
- Interesting Note:
- Cling can JIT hundreds of template arguments in a few minutes.
- TODO: Workaround with snapshots.
RBatchGenerator: End of internship presentation, Kristupas:
- Filter Naming: Should be named.
- Chunking and Batching:
- Tensorflow: Jitting takes a lot of time and cannot be jitted after a certain value.
- TODO: Testing and performance evaluation.
- Questions:
- Jacob: Should we manually specify the sizes?
- Max vector sizes: In RDataframe, vectors can be of any size. We pad them to be the same size.
- JonasR: Usage of batch generators for ML training, preprocessing with RDataframe, is it worth it?
- Vincenzo: Explicit request to have RBatchGenerator as part of the analysis framework.
- Remark: Vassil: General compiler limitation: there's a
ulimitflag.
Danilo
- Preparing for release, nothing to add at this point.
Round Table
Vincenzo
- Opened 2 PRs, preparing for release.
Vassil
- Released Clad, merged a pull request.
Serguey
- Preparing for release.
Olivier
- Forum updates, release notes update, closed remaining JIRA reports.
- 2 Pull requests: one done, second pending.
Monica
- Opened a PR.
- Addressing a couple of old issues.
- Preparing a presentation for the next SYCLOPs meeting.
Marta
- Catching up with ongoing activities.
- Track convener, selecting abstracts for the 17th of June.
Lorenzo
- Preparing for release.
JonasR
- Clad release.
- Worked on Roofit and ATLAS benchmarks for ICHAP.
- Merged a PR in Roofit.
- Addressed action items from last week for release.
- Pyroot: fixed a memory leak.
- Minor build system improvements for release.
Jacob
- Fixed bugs related to variants and optional.
- Addressed a weird 4-byte padding issue.
- Volunteers from LLMU are interested in running tests.
Florine
- Snapshotting RDF to RNTuple, initial working version.
- Loopmanager needs to be initialized.
Devajith
- Worked on LLVM18 rebase, 52 patches on top of LLVM currently.
Bertrand
- Implemented support for Ninja on Windows, expected to be faster.
- Encountered a problem building in debug mode.
Adrian
- Working on graphics test suite, adding more functionalities.
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