<div dir="ltr"><div>Hi all,</div><div><br></div>Given that Ellie has new results on the rates, I propose we have our followup phone meeting at 3pm on Weds.<div><br></div><div><br></div><div>-Karl</div><div><br></div><div>
P.S. (The only other time I'm free Weds is 10am-noon)</div><div class="gmail_extra"><br clear="all"><div><div><div><div><br></div></div></div></div><br><div class="gmail_quote">On Tue, Apr 30, 2013 at 4:56 PM, Elena Long <<a href="mailto:ellie@jlab.org">ellie@jlab.org</a>> wrote:<br>
<blockquote class="gmail_quote">
Good afternoon,<br>
<br>
I think that's not going to be an issue. It looks like our maximum<br>
rates will be below 5kHz. For fixed results, please see<br>
<a href="https://hallcweb.jlab.org/wiki/index.php/Elong-13-05-01#Fixed_Rates_Code">https://hallcweb.jlab.org/wiki/index.php/Elong-13-05-01#Fixed_Rates_Code</a><br>
which I'll discuss tomorrow. When are we meeting, by the way?<br>
<br>
Take care,<br>
Ellie<br>
<br>
Elena Long, Ph.D.<br>
Post Doctoral Research Associate<br>
University of New Hampshire<br>
<a href="mailto:elena.long@unh.edu">elena.long@unh.edu</a><br>
<a href="mailto:ellie@jlab.org">ellie@jlab.org</a><br>
<a href="http://nuclear.unh.edu/~elong">http://nuclear.unh.edu/~elong</a><br>
<a href="tel:%28603%29%20862-1962">(603) 862-1962</a><br>
<br>
On Tue 30 Apr 2013 04:10:20 PM EDT, Patricia SOLVIGNON wrote:<br>
><br>
><br>
> Begin forwarded message:<br>
><br>
>> *From: *Brad Sawatzky <<a href="mailto:brads@jlab.org">brads@jlab.org</a> <mailto:<a href="mailto:brads@jlab.org">brads@jlab.org</a>>><br>
>> *Subject: **Re: Hall C DAQ rates*<br>
>> *Date: *April 30, 2013 3:52:38 PM EDT<br>
>> *To: *Patricia Solvignon <<a href="mailto:solvigno@jlab.org">solvigno@jlab.org</a> <mailto:<a href="mailto:solvigno@jlab.org">solvigno@jlab.org</a>>><br>
<div>>><br>
>> Hi Patricia,<br>
>><br>
>> We will be able to support multiple independent DAQs. DAQ rate limits<br>
>> can get a little complicated, but for modest event sizes (1--2 kB/event)<br>
>> we should be able to reach 5 kHz without too much difficulty and<br>
>> reasonably low deadtimes. In the longer term 10+ kHz is achievable with<br>
>> a move to a fully-pipelined architecture. (All the pipeline-capable<br>
>> hardware will already be installed, but we'll run in "conventional"<br>
>> event mode to start with.)<br>
>><br>
>> -- Brad<br>
>><br>
>> On Mon, 29 Apr 2013, Patricia Solvignon wrote:<br>
>><br>
>>> Could you tell me what will be the DAQ rate limit at 12 GeV ? Are we<br>
>>> going to have 2 DAQ: one for the HMS and one for the sHMS ?<br>
>><br>
>> --<br>
</div>>> Brad Sawatzky, PhD <<a href="mailto:brads@jlab.org">brads@jlab.org</a> <mailto:<a href="mailto:brads@jlab.org">brads@jlab.org</a>>> -<>-<br>
<div>>> Jefferson Lab / Hall C / C111<br>
>> Ph: <a href="tel:757-269-5947">757-269-5947</a> -<>- Fax: <a href="tel:757-269-5235">757-269-5235</a> -<>- Pager:<br>
</div>>> <a href="mailto:brads-page@jlab.org">brads-page@jlab.org</a> <mailto:<a href="mailto:brads-page@jlab.org">brads-page@jlab.org</a>><br>
<div>>> The most exciting phrase to hear in science, the one that heralds new<br>
>> discoveries, is not "Eureka!" but "That's funny..." -- Isaac Asimov<br>
><br>
><br>
><br>
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