[erlang-questions] Speed of communication with external processes

Cameron Kerr <>
Wed May 2 23:41:33 CEST 2007


Can you show us your code please?

On 14/04/2007, at 10:02 AM, James Hague wrote:

> I wrote an Erlang program that uses a local TCP socket (with nodelay)
> to communicate with a tiny external program (which I wrote).  I was
> curious what the turnaround time was on sending data to the external
> program and getting back a result, so I wrote a little test function.
>
> Under Windows XP, I'm getting ~3500 round trips per second.  I was
> surprised at how hight that number was.
>
> Under OS X, I'm getting ~90 round trips per second.  90?  Wow, that's
> low!  I'm sure something is wrong, but I haven't found it yet.
>
> Anyone else ever run tests like this?  I'd be curious what kind of
> numbers you got.
>
> Thanks!
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