Romain Beauxis <to...@rastageeks.org> writes:
> Le jeudi 15 juillet 2010 22:52:53, Goswin von Brederlow a écrit :
>> The main task will only process priority 0 events and bounce between
>> main_task and with_checksum while the worker threads process priority 1
>> events and do_checksum.
>>
>> Correct?
>
> I think it should be like this:
>
> let do_checksum buf _ =
> let sum = ...
> in
> reply_request ();
> []
>
> let main () =
> let scheduler = Duppy.create ()
> in
> for i = 1 to num_cores do
> Thread.create (Duppy.queue ~priorities=(fun x -> x = 1) scheduler
> "worker") ();
> done;
> while (* New checksum need to be computed *) do
> Duppy.Task.add scheduler
> { priority = 1; events = [`Timeout 0.]; handler = fun _ -> do_checksum
> buf; }
> done
>
> It seems in your case you do not need finer-grained priority and all the
> workers live at the same priority level..
>
> Now, the main thread does not need to be a task..
But then how does the main thread notice when a checksum is finished
computing? The information has to flow both ways.
MfG
Goswin
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