 20 May 2009, Exaos Lee, Suggestion, Question about using mvmestd.h
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> > The problem is: I renamed my SIS1100 devices as /dev/sis1100/xxxxx. So I have to hack the
> "sis3100.c".
>
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 21 Jul 2018, Hiroaki Natori, Forum, Question about distributing event builder function on remote PC 
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Dear expert,
I'm going to develop MIDAS DAQ for COMET experiment.
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23 Jul 2018, Konstantin Olchanski, Forum, Question about distributing event builder function on remote PC
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> I'm going to develop MIDAS DAQ for COMET experiment.
> I'm thinking to distribute the load of event building to different PCs.
> I attach a schematics of one of the examples of the design.
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28 Jul 2018, Hiroaki Natori, Forum, Question about distributing event builder function on remote PC
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Dear Mr. Olchanski
Thank you for your comment.
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26 Jan 2009, Derek Escontrias, Forum, Question - ODB access from a custom page
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Hi, I am looking for a way to mutate ODB values from a custom page. I have been
using the edit attribute for the 'odb' tag, but for some things it would be nice
if a form can handle the change. I have seen references to ODBSet on the forums,
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27 Jan 2009, Suzannah Daviel, Forum, Question - ODB access from a custom page
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At present the only documentation on the Javascript library is in this elog
e.g. Message 496 31 Jul 08
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27 Oct 2025, Giovanni Mazzitelli, Suggestion, Python sc_frontend.py Display and History variables
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We would like to write an sc_frontend in Python instead of C++. All our drivers
work correctly, as well as the creation of the database in the ODB, including the
creation of Commons, Statistics, Variables, and Settings.
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13 Nov 2025, Stefan Ritt, Suggestion, Python sc_frontend.py Display and History variables
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> We would like to write an sc_frontend in Python instead of C++. All our drivers
> work correctly, as well as the creation of the database in the ODB, including the
> creation of Commons, Statistics, Variables, and Settings.
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13 Nov 2025, Ben Smith, Suggestion, Python sc_frontend.py Display and History variables
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> > We would like to write an sc_frontend in Python instead of C++. All our drivers
> > work correctly, as well as the creation of the database in the ODB, including the
> > creation of Commons, Statistics, Variables, and Settings.
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03 Oct 2023, Gennaro Tortone, Bug Report, Python midas.file_reader get_eor_odb_dump()
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Hi,
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16 Oct 2023, Ben Smith, Bug Report, Python midas.file_reader get_eor_odb_dump()
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Thanks for the bug report Gennaro!
I've fixed the code so that we'll now find the end-of-run ODB dump even if the user is already at the end of the file when they call get_eor_odb_dump().
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05 Sep 2024, Jack Carlton, Forum, Python frontend rate limitations?
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I'm trying to get a sense of the rate limitations of a python frontend. I
understand this will vary from system to system.
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05 Sep 2024, Ben Smith, Forum, Python frontend rate limitations?
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> What limits the rate that poll_func is called in a python frontend?
First the general advice: if you reduce the "period" of your equipment, then your function will get called more frequently. You can set it to 0 and we'll |
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05 Sep 2024, Jack Carlton, Forum, Python frontend rate limitations?
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Thank you, this was very helpful.
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05 Sep 2024, Stefan Ritt, Forum, Python frontend rate limitations?
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> First the general advice: if you reduce the "period" of your equipment, then your function will get called more frequently.
> You can set it to 0 and we'll call it as often as possible. You can set this in the ODB at "/Equipment/Python Data Simulator/Common/Period"
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06 Sep 2024, Jack Carlton, Forum, Python frontend rate limitations?
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Thanks for the responses, they were very helpful.
>First the general advice: if you reduce the "period" of your equipment, then your function will get called more frequently. You can set it to 0 and we'll |
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11 Sep 2024, Konstantin Olchanski, Forum, Python frontend rate limitations?
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> I'm trying to get a sense of the rate limitations of a python frontend.
1) python is single-threaded, for ultimate performance, a MIDAS frontend (or any DAQ
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11 Sep 2024, Konstantin Olchanski, Forum, Python frontend rate limitations?
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>
> poll(INT count) {
> for (i=0 ; i<count ; i++)
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11 Sep 2024, Konstantin Olchanski, Forum, Python frontend rate limitations?
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> > I'm trying to get a sense of the rate limitations of a python frontend.
forgot one more:
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27 Sep 2024, Ben Smith, Forum, Python frontend rate limitations?
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> in your case the limitation is likely that you're sending 1.25MB per event and we have a lot of data marshalling to do between the python and C++ layer.
>
> I'll add it to my to-do list to investigate improving the performance of medium-to-large events in the python code.
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