Re: OS Threads behavior

Tech-Archive recommends: Repair Windows Errors & Optimize Windows Performance

Hi,


"[Yosi]" <Yosi@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:C03DEEC8-9095-4C1C-A4EB-AFB9ECC50427@xxxxxxxxxxxxxxxx
>I care about it, since I need it, "This answer is so famelies in Microsoft
> responds , and I don't think it should be the way :-( ".

First of all, it's my opinion, I had no relation at all with MSFT,

What thread will be executed next, or in what order is IMO impossible to
predict, it does depend of the scheduler :
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpguide/html/cpconSchedulingThreads.asp

IT does depend of the OS , for example you cannot assure the same results in
XP/2K/2K3 or even in XP home/pro.


> I need it since I trying to built an application which manage concurrency
> tests, those test will access an external hardware connected to PC by LPC.
> I care since I would like to be sure the tests will run in 100%
> simultaneity
> to be able to verify the HW modules are acting as will as expected. Each
> test
> run in deferent thread and if the threads are running in order this will
> not
> simulate all the validation cases may cause HW to fail and we will not
> able
> to catch all BUGS.

The threads will NOT run at the same time, no matter what you do , or what
environment you use. only one thread will be running at a given moment per
processor or core.




cheers,

--
Ignacio Machin,
ignacio.machin AT dot.state.fl.us
Florida Department Of Transportation


.

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