[b1_ana] Fwd: Hall C DAQ rates

[Elena Long]

Good afternoon,

I think that's not going to be an issue. It looks like our maximum 
rates will be below 5kHz. For fixed results, please see 
https://hallcweb.jlab.org/wiki/index.php/Elong-13-05-01#Fixed_Rates_Code 
which I'll discuss tomorrow. When are we meeting, by the way?

Take care,
Ellie

Elena Long, Ph.D.
Post Doctoral Research Associate
University of New Hampshire
elena.long at unh.edu
ellie at jlab.org
http://nuclear.unh.edu/~elong
(603) 862-1962

On Tue 30 Apr 2013 04:10:20 PM EDT, Patricia SOLVIGNON wrote:
>
>
> Begin forwarded message:
>
>> *From: *Brad Sawatzky <brads at jlab.org <mailto:brads at jlab.org>>
>> *Subject: **Re: Hall C DAQ rates*
>> *Date: *April 30, 2013 3:52:38 PM EDT
>> *To: *Patricia Solvignon <solvigno at jlab.org <mailto:solvigno at jlab.org>>
>>
>> Hi Patricia,
>>
>> We will be able to support multiple independent DAQs.  DAQ rate limits
>> can get a little complicated, but for modest event sizes (1--2 kB/event)
>> we should be able to reach 5 kHz without too much difficulty and
>> reasonably low deadtimes.  In the longer term 10+ kHz is achievable with
>> a move to a fully-pipelined architecture.  (All the pipeline-capable
>> hardware will already be installed, but we'll run in "conventional"
>> event mode to start with.)
>>
>> -- Brad
>>
>> On Mon, 29 Apr 2013, Patricia Solvignon wrote:
>>
>>> Could you tell me what will be the DAQ rate limit at 12 GeV ? Are we
>>> going to have 2 DAQ: one for the HMS and one for the sHMS ?
>>
>> --
>> Brad Sawatzky, PhD <brads at jlab.org <mailto:brads at jlab.org>>  -<>-
>>  Jefferson Lab / Hall C / C111
>> Ph: 757-269-5947  -<>-  Fax: 757-269-5235  -<>- Pager:
>> brads-page at jlab.org <mailto:brads-page at jlab.org>
>> The most exciting phrase to hear in science, the one that heralds new
>>  discoveries, is not "Eureka!" but "That's funny..."   -- Isaac Asimov
>
>
>
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