ROOT I/O Meeting

32/1-A24 (CERN)



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Attendees: Philippe, Danilo, Guilherme, Peter, Brian, Jim, Pere, Oksana,

Danilo: Making some progress on shared_ptr.

Brian: See slides on OptimizeBasket at

Peter: ROOT compression customization has been pushed forward.   Re-test of the affect on compression level on the ATLAS file size will eventually go forward.

Jim: See slides on Numpy at

Zhe: Found synchronization and dead-lock issues in the parallel unzipping … now trying to address them

Philippe: RW lock done but lots of work left to actually use it.

Guilherme:  Still working on the scalability of LoadClassInfo.

Philippe: Danilo will host the next two meeting then Brian for three weeks.

Philippe: See you in a month.


There are minutes attached to this event. Show them.
    • 16:00 16:20
      NumpyArray and Block IO 20m
      Speaker: Jim Pivarski (Princeton University)
    • 16:20 16:40
      OptimizeBasket 20m
      Speaker: Brian Paul Bockelman (University of Nebraska-Lincoln (US))
    • 16:40 17:00
      Round Table 20m