Sendfile in erlang

[Luke Gorrie]

Luke Gorrie <lgorrie@REDACTED> writes:

> Dream-wise though, I would prefer to use shared-memory between user
> and kernel space for packet buffers to avoid the copies and keep the
> logic in userspace. Linux seems to already have features in this
> direction.

(Isn't performance speculation a dangerous business? Here I assume
it's _copying_ that's the bottleneck, which I have no measurements
what-so-ever to back up.)