 27 Nov 2020, Konstantin Olchanski, Forum, Invalid name "Analyzer/Tests"
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> I've recently took the analyzer template from $MIDASSYS/examples/experiment and
> modified it to be able to use Roody on a very simple frontend setup.
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27 Nov 2020, Konstantin Olchanski, Forum, History plot consuming too much memory
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>
> Tested with midas-2020-08-a up until the HEAD of develop
>
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27 Nov 2020, Konstantin Olchanski, Forum, History plot consuming too much memory
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>
> With the current code, we are limited to loading history data up to 50% of
> the javascript memory limit.
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27 Nov 2020, Konstantin Olchanski, Forum, History plot consuming too much memory
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>
> Are you sure that the delay comes from the browser or actually from mhttpd
> digging through GBytes of history data?
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27 Nov 2020, Konstantin Olchanski, Forum, History plot consuming too much memory
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>
> Taking this down a tangent, I have a mild concern that a user could temporarily
> flood our gigabit network if we do have faster disks to read the history data.
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27 Nov 2020, Konstantin Olchanski, Info, Equipment "common" settings in ODB
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> Today I addressed a topic which bugged me since long time.
Right. No easy subject. For me, too, this has been a problem in MIDAS for a long time.
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27 Nov 2020, Konstantin Olchanski, Forum, Building an experiment using CAEN VME interface - unknown type name 'VARIANT_BOOL'
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>
> The header file used to defined the CAEN types (CAENVMEtypes.h) defines 'CAEN_BOOL' like this:
>
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27 Nov 2020, Konstantin Olchanski, Suggestion, cmake build fixes
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Hi, Alexandr, thank you for making improvements to MIDAS. I have some question
about your suggestions:
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27 Nov 2020, Konstantin Olchanski, Forum, Invalid name "Analyzer/Tests"
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https://bitbucket.org/tmidas/midas/issues/298/invalid-odb-names-in-example-midas
K.O. |
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27 Nov 2020, Konstantin Olchanski, Info, Equipment "common" settings in ODB
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Yes, I think this will work.
For old mfe.c frontends, global variable set to "do it the new way" should be okey,
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30 Nov 2020, Konstantin Olchanski, Info, Equipment "common" settings in ODB
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> One more change:
>
> After using the new code for some hours, we realized that the "enabled" flag should not come from the frontend code,
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30 Nov 2020, Konstantin Olchanski, Suggestion, ODBSET wildcards with array keys in Sequencer files
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> I totally agree that we should have a consistent formatting for array index expansion.
> I had a look to the mjsonrpc code and I found the function parse_array_index_list(...) which does this job.
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30 Nov 2020, Konstantin Olchanski, Suggestion, ODBSET wildcards with array keys in Sequencer files
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>
> we are considering to make the range selection uniform among json, sequencer and
> odbedit "set" command. Having multiple ranges like [1,4-5] will be quite some work, so
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 30 Nov 2020, Konstantin Olchanski, Info, more wisdom from linux kernel people
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As you may know, I am a big fan of two software projects - the linux kernel and ROOT. The linux kernel is one of
the few software projects "done right". ROOT is where normal people try to "get it right" with real-world level
of success. I use both softwares daily and I try to apply their ways and methods to MIDAS as much as I can.
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15 Dec 2020, Konstantin Olchanski, Forum, history and variables confusion
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I think you are facing several problems:
a) mlogger does not clearly explain what history names will be used for which entries
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16 Dec 2020, Konstantin Olchanski, Forum, Issues building banks.
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> I'm currently trying to build events through doing block transfers.
I am confused by your question. I assume you read a CAEN V792 ADC, but I do not know what VME master you
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16 Dec 2020, Konstantin Olchanski, Forum, Issues building banks.
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> > > I'm currently trying to build events through doing block transfers.
> >
> > I am confused by your question. I assume you read a CAEN V792 ADC, but I do not know what VME master you
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13 Jan 2021, Konstantin Olchanski, Forum, poll_event() is very slow.
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>
> I'm currently trying to see if I can speed up polling in a frontend I'm testing.
> Currently it seems like I can't get 'lam's to happen faster than 120 times/second.
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08 Feb 2021, Konstantin Olchanski, Forum, poll_event() is very slow.
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> I should mention that I was using midas/examples/Triumf/c++/fevme.cxx
this is correct, the fevme frontend is written to do 100% CPU-busy polling.
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08 Feb 2021, Konstantin Olchanski, Suggestion, mhttpd browser caching
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> r->rsprintf("Expires: %s\r\n", str);
The best I can tell, none of this works in current browsers. with google-chrome,
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