[zeromq-dev] Zero-copy message API

[Martin Sustrik]

On 04/03/2011 05:50 PM, Pieter Hintjens wrote:

> If we make zero-copy an exceptional case, we can simplify the API
> further, using a style like this:
>
> zmq_msg_t *msg = zmq_msg_new ();
> zmq_msg_set (msg, body, size);
> zmq_sendmsg (&msg);  // Destroys message

That drags an mandatory allocation onto the critical path and slows the 
whole thing down. Note that currently, in the best case, 0MQ is able to 
process without allocations whatsoever.

Martin