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Developer's meeting
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Europe/Zurich
Enrico: EHN1
- goal: get data written to disk using event request from timing
- last week: little opportunity to test (given RCE activity)
- BoardReader exercised
- possibility to have stand-alone facility (no need for Run Control)
- this week: used WIB but again using local timing generation; everything fine
- but not triggered yet; timing h/w problems affecting the WIB (problem with one control character that is not received correctly)
- config last week already used "pull" mode (request coming from event builder)
- hope to have actual data with external timing on disk by the end of this week
Milo: data re-ordering
- Dan: format (p4) has changed slightly -- but only control characters and CRC32. Milo: that is correct, but I am in fact already using the new format
- for now: retaining all header information (but re-ordered)
- compression: from ~ 2 ("bare" gzip) to 2.6 (data re-ordering) to 3.3 (take ADC values' differences w.r.t. previous value)
- discussion:
- will be interesting to see what can still be gained
- but testing the timing (i.e., throughput) should have higher priority for now
Next meeting: tentatively planned for November 1
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