[Octave-bug-tracker] [bug #46845] usleep sleeps much too long on Mac OSX

[anonymous]

URL:
  <http://savannah.gnu.org/bugs/?46845>

                 Summary: usleep sleeps much too long on Mac OSX
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Do 07 Jan 2016 15:45:23 UTC
                Category: Octave Function
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Inaccurate Result
                  Status: None
             Assigned to: None
         Originator Name: Daniel Betz
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.0.0
        Operating System: Mac OS

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Details:

Installed using brew from
https://github.com/Homebrew/homebrew-science/blob/master/octave.rb


>> tic; usleep (10), toc
Elapsed time is 0.316622 seconds.
>> tic; usleep (10), toc
Elapsed time is 0.315173 seconds.
>> tic; usleep (100), toc
Elapsed time is 3.26147 seconds.
>> tic; usleep (100), toc
Elapsed time is 0.127848 seconds.
>> tic; usleep (100), toc
Elapsed time is 3.2693 seconds.


as you can see the time sleeped is much longer than requested.




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