ROOT I/O Workshop, Winter 2016/17

Wednesday 11 Oct 2017, 16:00 → 19:50 Europe/Zurich

Brian Bockelman (University of Nebraska-Lincoln), Danilo Piparo (CERN), Philippe Canal (FERMILAB)

Workshop to discuss the current bottlenecks in ROOT I/O and any potential solution.
See the presentations of the previous workshop

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Name: ROOT_IO_Workshop
Description: February 2018 ROOT IO workshop
Extension: 10401125
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1 Introduction

Speaker: Mr Philippe Canal (FERMILAB)

2 ROOT I/O

Speaker: Mr Philippe Canal (FERMILAB)

Slides 2017-October-RootIO.pptx

3 CMS Update

Speaker: Daniel Riley

Slides CMS-ROOTIO-20171011.pdf

4 How to make a Petabyte ROOT file: object store with columnar granularity

Speaker: Dr Jim Pivarski (Fermilab)

Slides pivarski-petabyte-tfile.pdf

5 DIANA I/O Update

Speakers: Dr Brian Bockelman (University of Nebraska-Lincoln), Oksana Shadura

Slides DIANA-ROOT-IO-Oct-2017.pdf

6 LZ4 and BulkIO performance on NanoAO

Speaker: Dr Jim Pivarski (Fermilab)

Slides pivarski-lz4-bulkio-studies.pdf

7 TDataFrame/FileMerger

Speaker: Guilherme Amadio

Slides https://docs.google.com/presentation/d/1IhPkqrZJuFygG8ByvMUwdP5a8nkUwVeL_nvmymdW-lo/edit?usp=sharing ROOT_IO_Performance_and_Parallelism.pdf

8 In-memory file merging

Slides ROOT_IO_Workshop.pdf

9 Discussions