Sandro Wenzel

Provide solution not using public inheritance which does not seem to apply here.

I think it would be nicer to have the "sim_tpc.C" tests under the tpc directory instead of "/macro".

Option to reduce startup syscalls via environment caching

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This commit provides the possibility to pass system library search paths as well as some compiler include paths to ROOT as environment variables. This has the advantage that ROOT will...

Include AliGenerators

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**do not merge** just testing compilation

Performance regression (slowdown) in ALICE event generation

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### Check duplicate issues. - [X] Checked for duplicates ### Description 10-20fold slowdown of running a particular ALICE event generation process, where the generator is compiled just-in-time from a ROOT...

Overcome 1GB size limit for IO buffers

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### Explain what you would like to see improved ROOT currently has a size limitation (~1GB) for the number of bytes that can go into a single entry of a...

Pythia8 seeding improvements

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This commit improves the seeding of Pythia8 in O2. The seeding... (a) ... is now done as part of the object's Init function automatically. Users are no longer required to...

Allow to specify the first bunch crossing for collission context crea…

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…tion This is useful in MC simulations, where we'd like to have collisions some short time before an actual timeframe start.