[zeromq-dev] zeromq performance

Pieter Hintjens ph at imatix.com
Sat Jun 7 10:17:44 CEST 2014

How many messages are you sending? There will be a start-up cost that
can be disproportionate if you send only a few messages.

On Sat, Jun 7, 2014 at 6:54 AM, Paul Phillips
<paul at marketgridsystems.com> wrote:
> Hi.  I have an interesting scenario when testing zeromq 4.0.4 on CentOS 6.5.
> When I run local_lat and remote_lat using ipc, I get a latency of around 30
> micros.  However, if I run them once in the background with a large round
> trips setting (so they keep running for a long time) and then run a second
> set, the second set always returns a latency of around 7 micros.  Basically,
> once I have one lot of stuff running in the background, subsequent stuff
> always seems to run much faster.  Is there any known explanation for this
> behaviour?
> Regards, Paul Phillips
> Director, MarketGrid Systems Pty Ltd
> t: +61 419 048 874
> e: paul at marketgridsystems.com
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