Jakob Blomer

[ntuple] minimal support for unsplit fields

71

Introduces a new RFieldBase descendant, `RUnsplitField`. This field uses an offset column and an `std::byte` column to store ROOT I/O streamed objects. To create unsplit fields one can - directly...

Code generated by TFile::MakeProject should not rely on std namespace import

3

## Explain what you would like to see improved As discussed in the [ROOT forum](https://root-forum.cern.ch/t/tfile-makeproject-problem-with-stl-objects-due-to-removal-of-using-namespace-std/41501): the code generated by `TFile::MakeProject` currently contains the following lines at the beginning ``` namespace...

### Explain what you would like to see improved and how. The RNTuple cluster pool read-ahead window is currently steered by number of clusters. This should be changed to number...

Point out that graphics of function-local objects disappears when the function ends.

Hello, We [noticed](https://github.com/cvmfs/cvmfs/issues/3555) that LibreSSL is not using the x86 SHA instruction extensions. In our benchmark, we see about a factor 2 slower SHA-1 performance of LibreSSL compared to OpenSSL...

[ntuple] fixes and more testing for std::variant

1

Fixes #15534

[ntuple] store streamer info of unsplit fields

1

Follow-up of #14728 Stores the streamer info records seen during serialization of unsplit fields in the extra type information of the extension header. To this end, proper serialization and deserialization...