Re: RFC: import of posix_spawn GSoC results

[Martin Husemann <martin%duskware.de@localhost>]

On Mon, Dec 19, 2011 at 04:18:38PM -0500, Thor Lancelot Simon wrote:
> If it doesn't perform better -- do I misunderstand, or is that in fact the
> case -- why dirty up the system with this superfluous interface?

No, I'm just saying that it does not make the existing fork/exec
path slower. We don't have full solid benchmark results yet, but overall
it looks like:

 - fork/exec performance does not degrade
 - posix_spawn performance is very similar to vfork/exec (which is not too
   suprising)

I prefer a clean posix_spawn over a vfork hack any time. Where not possible
(see mouse's mail), we can stick with vfork - it won't go away.

Martin