CMS Big Data Science Project

Name: CMS Big Data Science Project
Start: 2016-09-28T10:00:00-05:00
End: 2016-09-28T11:00:00-05:00
Location: No location set

Wednesday 28 Sept 2016, 10:00 → 11:00 US/Central

Matteo Cremonesi (Fermi National Accelerator Lab. (US)), Oliver Gutsche (Fermi National Accelerator Lab. (US))

Description

DIR/ Snake Pit-WH2NE - Wilson Hall 2nd fl North East

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Attendance:

From FNAL: Jim P, Jim K. Saba, Matteo, Igor

Alexey (Princeton)

Bo, Cristina (FNAL)

Igor report on event skimming using indexing
- Worked with the same data samples from the DM analysis
- Using root loading only the interesting branches, selection time is 40-60 e-6 ms/event, new approach is 100 times faster
- Reindexing needs to be understood also on the organizational stand point
- Next step exploring technologies, GPU databases
Discussion on metrics (Matteo, Jim, Saba, Alexey)
- report on the results of the usability test for the Princeton workflow
  - Will be included in Oli’s slides (Jim/Matteo will work on that) and on Saba’s poster. For that, relevant information will be circulated by slack
  - Plan for the performance study. Jim and Matteo will start today. Details will be defined first and discussion with Alexey will be done on slack. Jim/Matteo/Alexey will evaluate if the test can be started today.

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