taskCERTI - Tasks: task #7929, Implement efficient Clock...


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task #7929: Implement efficient Clock subclasses

Submitter:  Eric NOULARD <erk>
Submitted:  Tue 08 Apr 2008 09:14:52 AM UTC
Should Start On:  Mon 07 Apr 2008 10:00:00 PM UTC Should be Finished on:  Mon 07 Apr 2008 10:00:00 PM UTC
Category:  libCERTI Priority:  5 - Normal
Status:  Ready For Test Privacy:  Public
Percent Complete:  100% Assigned to:  erk
Open/Closed:  Closed Planned Release:  CERTI 3.4.0
RTI Service Groups:  None

Wed 21 Oct 2009 10:50:21 AM UTC, comment #4: 

I think we now have a good set of Clock sub-classes.
See Patch link from Mathias.

Eric NOULARD <erk>
Group administrator
Fri 06 Mar 2009 09:57:33 AM UTC, comment #3: 

WinClock has been added.

Eric NOULARD <erk>
Group administrator
Wed 08 Oct 2008 08:20:31 AM UTC, comment #2: 

JMM will do that :=)

For the windows case may be
Multimedia timer  is a good candidate

For the TOD class
which may be used on Windows too:

Eric NOULARD <erk>
Group administrator
Tue 15 Jul 2008 07:16:34 AM UTC, comment #1: 

We should implement those "Clock classes" inside
libHLA (see dependency).

Eric NOULARD <erk>
Group administrator
Tue 08 Apr 2008 09:14:52 AM UTC, original submission:  

libCERTI needs an efficient mechanism usable
for timing.
The needs is for long term support for RT-capable
HLA simulation.

The need re-appear in bug:

The idea is to have an Abstract base class
"Clock" which offer generic timing interface.
Then we implement several sub-classes
which may be used on different platforms:
TSCClock (use TSC)
PosixClock (use clock_xxx posix API)
Win32Clock (use win32 high perf multimedia API)
TODClock (use gettimeofday API)

a Clock* ClockFactory::getBestClock()
will build the best clock on the concerned platform.

Eric NOULARD <erk>
Group administrator


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    Follow 12 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2010-11-11 erk Open/ClosedOpen Closed
        Planned ReleaseNextRelease CERTI 3.4.0
    2010-03-07 erk StatusDesign Ready For Test
    2010-02-07 erk Percent Complete50% 100%
        Planned ReleaseUnplannedRelease NextRelease
    2009-10-21 erk Assigned toNone erk
    2009-10-21 erk Dependencies- Depends on patch #6946
    2009-03-06 erk Percent Complete0% 50%
        Assigned tojmm None
    2008-10-08 erk Assigned toNone jmm
    2008-07-15 erk Dependencies- Depends on task #8386
    2008-06-23 erk Dependencies- bugs #23667 is dependent

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