Andy O'Meara wrote:

In our case, we're doing image and video
manipulation--stuff not good to be messaging from address space to
address space.

Have you considered using shared memory?

Using mmap or equivalent, you can arrange for a block of
memory to be shared between processes. Then you can dump
the big lump of data to be transferred in there, and send
a short message through a pipe to the other process to
let it know it's there.

--
Greg
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