I wrote:
> The loop need not use the buffer at all - the worker could read data from
> the buffer then enter a processing loop on the read data (say numeric
> values) and the loop then becomes of the form:
>
> while (!converged) processData();
> workerFinished = true;
>
> processData could be purely thread-local actions.
Of course the simple way to make the write after the loop significant is for
it to be a value calculated in the loop.
int result;
while(!converged) result = processData();
answer = result; // volatile write of result of computation
David Holmes
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