[erlang-questions] Sending message at a specific and accurate time

[Tony Rogvall]

> L = fun Loop() -> receive after 1 ->  Loop()  end end.
> spawn_link(L).

That is a process doing minimal sleep, but still sleeps ( I think )

Adding this little ”helper” process changes the timing on my mac to the better.

From 3-4 ms latency to to around 1 or less.

Power cable did not affect the latency for me either.

/Tony

> On 22 feb 2016, at 13:19, Jesper Louis Andersen <jesper.louis.andersen@REDACTED> wrote:
> 
> 
> On Mon, Feb 22, 2016 at 1:16 PM, Ola Bäckström <Ola.Backstrom@REDACTED> wrote:
> Do you get different result with power cable plugged in compared to not plugged in?
> 
> I controlled for that by trying it with and without the cable plugged. It isn't affecting the latencies.
> 
> Any kind of dynamic timing system shouldn't really affect this either. If anything it ought to improve the precision.
> 
> 
> --
> J.
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