On Mon, 23 Mar 2009, Thor Lancelot Simon wrote:
> QEMU (or, at least, 'Q' on OS X, which uses QEMU as its guts) supports
> up to 128 CPUs, in 32 or 64 bit x86 emulation.
I've played with that some time ago, see
http://kerneltrap.org/index.php?q=mailarchive/netbsd-tech-kern/2005/12/22/292131 - Hubert