[zeromq-dev] Non-contiguous message thoughts

[Michael Santy]

> At Fri, 05 Mar 2010 09:10:19 +0100, Martin Sustrik wrote:
> 
> This is possible, if language runtime supports callbacks from foreign
> thread (to call language code from C). However, handwritten memory
> management wrapper kills performance. Unless you have to deal with
> very large messages, it's usually faster just to copy data.

Thanks -- that definitely makes sense.  I agree that this would not be
appropriate for small messages.  The messages that I'm considering creating
are on the order of 200MB and are scattered across a handful of contiguous
regions of memory.