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Slice Test DAQ

Slice Test DAQ. Two Systems Underway. There are essentially two systems being designed concurrently: Trackfinder test, and EMU slicetest. Goals of the two systems initially different but it is clear they have to merge into the same system eventually

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Slice Test DAQ

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  1. Slice Test DAQ

  2. Two Systems Underway • There are essentially two systems being designed concurrently: Trackfinder test, and EMU slicetest. • Goals of the two systems initially different but it is clear they have to merge into the same system eventually • Trackfinder effort being lead by Florida (Acosta et al.) with a little help from Rice • Song Ming Wang, Holger Stoeck, Bobby Scurlock, Alex Madorsky • EMU effort (Padley is manager) • Stan Durkin, Vivian O’Dell, Pat Murray, Ron Rechenmacher, Ichiro Suzuki, Rick Wilkinson

  3. CMS Slice Test DAQ Work at Fermilab In January a group worked together at a US CMS DAQ test stand with Endcap Muon Electronics getting hands on experience and a first pass at a design. We’ll get together at Fermilab for another two weeks in mid-April Pat Murray EMU Electronics Ron Rechenmacher D0 DAQ Experience Ichiro Suzuki XDAQ & Event Builder Rick Wilkinson C++ & ORCA Alex Tumanov Just hired by Rice

  4. Hardware Setup at Fermilab Brought by Pat from OSU, Davis • One VME crate • One DAQ Motherboard • One Dynatem 360 • One Cathode Front End Board • Two toaster-shaped PC’s for Local DAQ control Ichiro’s Event Builder farm

  5. Local DAQ PC, CFEB “Toaster” PC CFEB Dynatem

  6. Draft Configuration Peripheral Crate FED Crate Local DAQ PC CFEB DAQMB CCB DDU CCB Write to BigPhys memory XDAQ I2O Event Builder Run Control PC Disk XDAQWIN ORCA readable

  7. CFEB Control Software • Using Stan’s C++ version with re-engineering by Rick • Thanks, Stan! • We still need to write a validation suite • Hope to share this package with the UCR slow control group • Now usable through an XDAQ interface (Ichiro, Rick) • Every method in Stan’s tests now has a button in an XdaqWin • In the Florida CVS repository • Thanks, Ron & Darin! Crate VMEModule DAQMB CCB FakeCCB

  8. What We Do with the DDU Output The DDU writes directly to memory of the Local DAQ PC’s. • We’ll first dump this directly to local disk • Using a simple binary format • May need mass storage? • Brian Mohr at UCLA is updating his EMU ROOT display to read DDU output • We’ll also send the data of to the Event Builder…

  9. The Event Builder • Mostly just the standard XDAQ Event Builder software, built by Steve Murray (CERN), with input/output modifications by Ichiro. • We need to write code to feed the DDU output streams into the Event Builder, • both from memory and from disk. • EVB is still slow on Ethernet, but can reach a few MB/s on Myrinet • Rick is working on putting the DDU data that will come out of the EventBuilder into ORCA, using a framework by Giacomo Bruno (CERN). • Understanding and C++-ifying Ohio State’s data unpacking code • Disk format should be mostly the same as binary dumps

  10. Simulation • Once the data is into ORCA, we can use it to do cluster-finding, segment-building, tracking, and ntuples/ROOT trees. • UC Davis group (Tim Cox & Michael Case) plan to run ORCA simulations of the test beam, so the simulation can be compared to the data • Nice usability test for the Detector Description Database

  11. Conclusions Still some complications we haven’t worried about yet, like trigger input and conditions But since the UCLA EMU meeting we have moved from just drawing cartoon sketches… to actually putting the Tinkertoys together. • Still hoping to have things ready to try by May testbeam • Might be too aggressive a goal, but we’ll try.

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