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ROOT Team Meeting
News:
1. News
- Next Patch Release
- Fixes Needed by Atlas
- Two weeks should be sufficient.
- Main Aim is to Flash several fixes we have.
-
PPP: Jolly presented an introduction to C++ Reflection.
-
Conda Release
- Work starting from the first of September (Vincenzo).
- Vincenzo will be away for various reasons, but Danilo can start the work without him - discussion offline.
2. Shift handover:
- A few tests time out on mac (6.32)
- Windows sometimes fails to build (6.32)
- Tests failing on Windows - Debug build (master) - known issue
3. Round Table:
- Vincenzo:
- Fixing the plan of work.
- Conda report from CMA CAT people - weird linker error.
- Collaboration with Marco and Silia.
- Vassil:
- Fixed issue on onnx for LLVM18, autoloading, and definitions generator.
- Apple also wanted something similar.
- Serguey:
- Mostly on vacation last week.
- Improvements in Save as functionality.
- Robin:
- Comparison of learned and analytical methods.
- Implemented class to use it in Roofit.
- MLP classifier from Scikit-learn.
- Paul:
- Refactored Python benchmark tool due to some issues.
- Made plots for final presentation.
- Olivier:
- On holidays.
- Fixing error bar issue.
- Addressing another GitHub issue this week.
- North:
- Observed differences in training time with rbatch generator.
- Training in different models to see differences in training time.
- Used various profilers to analyze execution times.
- Martin:
- Event size comparison on a bigger MC sample.
- Reading performance for TTree and RNTuple files.
- Marta:
- Distributed RDF and AGC work.
- Finalizing ACAT proceedings.
- Preparing online outreach material from Summer Student Course recordings.
- Discussions for new RDF tutorial with CMS open data.
- Kevin:
- Got sick.
- Prepared and presented poster for Summer Student Poster Session.
- Jolly:
- Helped in ROOT summer student course.
- PPP presentation on C++ reflection.
- Writing a paper for PMBS workshop at SC24.
- Jonas R.:
- Fixed GitHub issues on RooFit.
- Prepared summary talk for SFT group meeting.
- Worked on RooFit SBI tutorial.
- JonasH:
- Finished draft on semantics of concurrent histograms.
- Reviewed and merged RNTuple PRs.
- Testing Direct I/O for CHEP. Investigating DirectI/O and its impact on different Linux filesystems.
- Noted that the compression library might become a bottleneck.
- Jakob:
- Working on merging files with slight schema differences.
- Ida:
- Unittests checker and started working with vector
- Giacomo:
- Continued working on RNTupleMerger.
- Fixed a bug on hadd.
- Opened and followed a PR for hadd argument parsing logic.
- Devajith:
- On shift last week.
- Looked at a memory leak in cling.
- Working on LLVM18 rebase.
- Danilo:
- Old issues
- Root graphics test: Additional work required.
- Bertrand:
- Fixed compiler flags for different build configurations.
- Checking test failures in Debug builds in the CI and locally.
- Asal:
- Tested setups with different node/task configurations.
- Compared Lumi and Eiger clusters. Multi-Threading analysis planned on Eiger.
- Examined performance with resource sharing.
- Andrea:
- Setting up memray for memory profiling on DASK-SWAN.
- Preparing for CMS Open Data Workshop & Hackathon 2024.
- Adrian:
- Doxygen Documentation: Meeting with Axel, discussed upload to S3.
- Graphic-tests: Several changes and improvements, discussions with Danilo.
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