VEGAS Team Meeting

September 24, 2012


CALTECH, UC-B, & Columbia

  • Dan Werthheimer
  • Glenn Jones
  • Mark Wagner


  • Anish Roshi
  • Marty Bloss
  • Ray Creager
  • John Ford
  • Jason Ray

Meeting Notes:

Next Teleconference: October 08, 2012 .

VEGAS Mode Development Status:

Mark is working on mode 13, dealing with some issues - specifically getting tone into the right data - assume a scripting error. Doing initial utilization estimates Need to design and deliver the R2 point monitoring.

Testing Status:

Test planning wki page

Infinaband testing is waiting on QRX card for testing. Assume about 1-2 days testing. Then we will order HPC computers Lustre systems are in place but need the larger network to do loading.

Other items:

Hardware procurement plans and schedules:

  • ALERT! Roach-II status. VEGAS order is in. Production boards should be available ~mid October (was ~1 August.) Between prototype and loaners VEGAS testing can continue.
  • ALERT! Order balance of GPU computers for delivery before 15-Oct. (was 1-Sept).
  • ALERT! Backend pipeline processor/disk subsystem (power and HVAC reqs.) meet w/chris (~1 July). Joe to circulate latest design for review. just for pipeline processing & SDFits Daemon? Generally, the rest will be on other machines due for replacement under non-VEGAS projects
  • The order has been placed, with a 1-2 month delivery.
    • Mezzanine boards are also ordered
    • Based on that, We should plan for mid-November or 1st of December completion of assembly and schedule our next full-up test for then.
    • Dan will provide Green Bank with a roach-2 so that we can finish our mods to our software and hardware in preparation for all of the roaches to come in.
    • We should discuss this at the Monday meeting and then give the schedule to Toney Minter etal.

  • The deadline for URSI has been extended until Tuesday, Sept. 25.
  • Is there anything we should talk about? I don't want to just trot out the same stuff we've talked about in other meetings.
  • DONE General VEGAS presentation - John Ford
    • Any new or different GPU or FPGA techniques?
    • Anything on floorplanning or optimizing?
    • Steps to NanoGrav
    • Filers
    • Maybe the final system architecture?

-- MartyBloss - 2012-09-24
Topic revision: r2 - 2012-09-24, MartyBloss
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