Re: [Gomp-discuss] Decision about semaphores ..

[Lars Segerlund]

 It's not an option if we want to have fork/join's or not, they are 
explicitly specified in openMP. A semaphore is as good a join as youre 
going to get, ( compared to multiple waits ).

 But Ok, I get it POSIX.

 / Seger.

Scott Robert Ladd wrote:
> Biagio Lucini wrote:
>
> > My vote is for posix, for the reason you explain.
> >
> > In a well-structured parallel program there must be as few as possible
> > fork/join. In an hyperideal case, you should just fork close to the
> > beginning and join right before the end. So I'm not concerned about this
> > overhead: part of it is down to the programer, the rest should be
> > negligible anyway.
>
>
> I agree with Biago. A parallel program that contains too many fork/joins is
> unlikely to perform effectively. In this case, I think portability (posix)
> is most important.
>
> ..Scott
>
>
>
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