[be] [task #8914] bibledit uses a lot of cpu time

[Teus Benschop]

URL:
  <http://savannah.nongnu.org/task/?8914>

                 Summary: bibledit uses a lot of cpu time
                 Project: Bibledit
            Submitted by: teus
            Submitted on: Thu 11 Dec 2008 10:24:41 AM CAT
         Should Start On: Thu 11 Dec 2008 12:00:00 AM CAT
   Should be Finished on: Thu 11 Dec 2008 12:00:00 AM CAT
                Priority: 5 - Normal
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any

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Details:

The CPU time on a moderately powered computer is about 12% for bibledit-bin,
and about 20% or so for bibledit-git. This is far too much. It should be about
0% for each of them. It would be helpful if the bit of code that such so much
power could be identified and modified to behave better. It could be
considered, if the interprocess communication between bibledit-bin and
bibledit-git takes so much resources, if that could not be made to work better
and leaner using the Linux signalling system. Bibledit-bin would signal
bibledit-git that a task is available to be executed. Then bibledit-git would
signal bibledit-bin that the task has been completed. At the moment there is a
lot of polling going on, and that might be the cause of the cpu hunger. To
avoid a hang-up if a signal gets missed out, there should be polling once in a
while to see the status of the tasks.




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