[EMAIL PROTECTED] (Niels Möller) writes:

> Does anybody have any idea how often this case occurs with typical
> activities like compilation?

What's the point of the question: to decide if we can ignore the
issue, or to decide if the solution has to be terribly efficient?

> With the current code, dependent modifications of A, B, A, results in
> 
>   modify(A); sync
>   modify(B); sync
>   modify(A); synced sometime later
> 
> The new scheme would change that to
> 
>   modify(A);
>   modify(B); noting dependency
>   sync(A);
>   modify(A); note new dependency
> 
> all assuming that so spontaneous syncing occurs between the
> modifications. So in this case we save one sync. Did I get this right?

Yes.

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