20k messages in 4s but want to go faster!

Jim Morris <>
Mon Jul 13 23:07:48 CEST 2009


smp was enabled, with smp disabled it seems slightly faster but not
significantly...
> erl -smp disable ...
Latency - max: 203ms, max ave:  180K ms

I have 2 cores and run with this command line...

> erl +A 10 +K true ...

Erlang R13B01 (erts-5.7.2) [source] [smp:2:2] [rq:2] [async-threads:
10] [hipe] [kernel-poll:true]

Although the number of async threads doesn't make too much difference.

On Jul 13, 1:48 pm, Joel Reymont <> wrote:
> Jim,
>
> On Jul 12, 2009, at 11:25 PM, Jim Morris wrote:
>
> > I can broadcast (actually technically unicast)
> > to 8,000 clients with max latency 277ms, and an average of 192ms.
>
> Are you running with -smp disabled, because I am.
>
> How many cores are you using?
>
> How does your throughput change if you disable smp?
>
>         Thanks, Joel
>
> ---
> Mac hacker with a performance benthttp://www.linkedin.com/in/joelreymont
>
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