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v3.3.3-pre
Present: Valentin, Javi, Xavi, Guilherme, Enrico, Stefan, Lorenzo, Danilo, Enric, Jim, Pere, Torsten, Umesh.
Xavi
Investigate chunking and effect on balance.
Benchmark: use vavilov.
It would be also interesting to benchmark against openmp besides ironing out the items in the conclusion.
Stefan
The new interface looks good, even if there are some more elements to be discussed.
Umesh
Take advantage of RDF performance for ATLAS analysis: Write an XAOD datasource
The source is a great development which could use some performance improvement.
Attila, Enrico:
- That slide 5 suggests that specific types have been hardcoded in the source. Umesh guarantees that this is not the case. The type is propagated from the signature of the lambda used in the Define.
- The numbers do not seem a mistery. An idea is to normalise the plots at slide 11 wrt the initialisation.
- Slide 13 suggests that we are reading much more than what we need.
- More useful monitoring is provided by xaod, e.g. what was read.
- We also need a sampling profiler, such as perf, which tells us where the time is spent.