SRO RTDP Nov. 13, 2023

The current weekly meeting time is every other Monday at 10:00 US/Eastern

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Agenda:

1. Previous Meeting

2. Announcements:
   • No more meetings until Dec. 11
   • FTE shifting
   • BDX Experiment

3. Milestone Progress: (Github Project)
   • M01: Create prototype ERSAP configurations for INDRA and CLAS12 test systems (Ayan)

   • M02: Identify or capture SRO formatted data from CLAS12 and INDRA test systems with data tag/filtering capability (output data ready for further offline processing) (Discussion w/ Sergey)

   • M03: Evaluate existing solutions for configuring and launching remote distributed processes (Jeng, Cissie)

     Cissie and Jeng's Doc: MQTT, Ansible, Globus, SuperFacility and Fireworks

   • M04: Establish code repository(s), project site, and method of documentation (Jeng, Ayan)

4. AOT

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Minutes

Attendees: David L., Vardan G., Ayan R., Jeng T., Cissie M., Marco B., Mariangela B.

• Charge times:
  • Ayan and Jeng's nominal charge times for the project were changed from 75%/25% to 100%/0% for the time being until a congressional appropriation is made that will supply funds to the AIOP project. David/Vardan/Cissie will remain at 10%/25%/25%

• BDX: Marco gave an overview on some planning items for the BDX experiment
  • Patrick (Hall-B leader) says PRAD electronics can be loaned to BDX for testing purposes. This includes 5 VXS crates that will have 256 readout channels each. Each will be used for a different BDX "module" which consists of 200 CsI blocks and 56 channels for plastic scintillator.
  • These are expected next Fall (~1 year from now)
  • Initial plan is to use single crate to stream data from prototype.

• Ayan update:
  • Code now exists that can be used with ERSAP to move binary file(s) around.
  • An ERSAP actor written in Java already exists that serves as an example of accessing config. parameters that ERSAP read from the YAMAL file.
    • This currently is on a branch in the ERSAP repository but we decided it would be better to move it to the SRO-RTDP repository. Ayan will take care of that.
    • Some work has started on the C++ actor. Some issues came up and Ayan is in communication with Vardan about fixing them.

• Cissie update:
  • Added rtdp.py to repository. Did round of review with David and is now merged into main.
  • Did some preliminary work on generating documentation with Sphinx. This is on a branch in the SRO-RTDP repository at the moment.
  • Started looking at visualizations for ERSAP configurations in YAML form. This will include drawing a flowchart. She will need to understand ERSAP better to do this though.

• Jeng update:
  • Looked into the SuperFacility API and realtime QoS at NERSC
  • Discussion on Github (#17)

• David update:
  • Spoke with Chris Cuevas, Fast Electronics Group Lead, about firmware update for DCRB boards to support streaming. He will speak with Ben Raydo to determine schedule constraints.

• Discussed getting exploratory allocation on NERSC for RTDP
  • Vardan noted that EJFAT testing has special arrangement with collaborators there to use Debbie Bard's project which we could potentially also use.
  • Cissie will look into submitting allocation request.

Action Items

1. Submit exploratory allocation request at NERSC - Cissie, David
2. (from 11/6)Investigate use of realtime queue at NERSC - Jeng
3. (from 11/6)Investigate the Superfacility API at NERSC - Cissie
4. (from 10/26) Understand how to retrieve ERSAP config. parameters from within actor - Ayan
5. (from 10/26) Ask Chris/Ben about schedule for SRO capable DCRB firmware - David
6. Update test plan schedule to reflect new accelerator pass change schedule - Fabio
7. Review [document on distributed process launching technologies - All