[Users] meeting minutes for 2017-04-24

[Roland Haas]

Present: Frank, Roland, Bhavesh, Ian, Steve, Roberto, Vassili, Eliu,
Qian Zhang, Eliu Huerta

KNL on stampede:
* no update yet

Include double-parsing in piraha for one release:
* depends a on speed impact, expect to not be a lot but want to check
* add text to error message on how to disable piraha
* Roland to test speed of CST stage on Blue Waters

ML_Constraints:
* https://trac.einsteintoolkit.org/ticket/1995
* don't know if it "only" the constraints or also the evolution
  variables

Datavault simulation data repository for ET data:
* provide a central repository for simulation data
* more complex search and curation interface than current databases (eg
  RIT http://ccrg.rit.edu/~RITCatalog/, GT
http://www.einstein.gatech.edu/catalog/, SXS https://www.black-holes.org/waveforms/)
* goal is to include a doi for the data and allow tracing of usage of
  data
* would be more similar to yt hub: https://girder.hub.yt/#collections
  and whole tale https://opensource.ncsa.illinois.edu/projects/WT
* would include the full set of files to reproduce the simulation
* aims to raise awareness of data within LIGO
* query for what type of metadata people have
* for hydro simulations the data can be much larger than for vacuum
  since for hydro simulations there is more "interesting" data.
  Waveforms would be of comparable size
* this could also be connected to the national data service (NDS)
  project at NCSA
* will give a presentation next week

Next ET release:
* shift into June due to time costraints

ET workshop
* try for NCSA
* try for July, to avoid running into teaching issues in August
* want to sort this out as soon as possible to give people time to
  travel
* to make it worthwhile to attend from Europe it would have to be
  multiple days
* if school: decide on topics and announce very soon

Yours,
Roland

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