ROOT Users' Workshop

Utilities for parallelism at task-level and data-level in ROOT

10 Sept 2018, 11:20

15m

Academy of Sciences and Arts (Akademija nauka i umjetnosti Bosne i Hercegovine)

Presentations Parallelism, Heterogeneity and Distributed Data Processing

Speaker

Xavier Valls Pla (University Jaume I (ES))

Description

In order to take full advantage of the current computer architectures and to improve performance with increasing amounts of data to analyze, we developed tools for the parallelization of ROOT at task-level and integrated libraries for its parallelization at data-level. This tools have been extensively deployed throughout ROOT, from vectorization and parallelization of the fit to the parallel processing of the event loop in RDataFrame. We analyze the significant performance improvement they provide and report on different strategies we followed to improve their performance.

Presentation materials

Parallelization and Vectorization of ROOT.pdf