Asymmetric multiprocessing

["D. J. Bernstein" <djb_(_at_)_cr_(_dot_)_yp_(_dot_)_to>]

Jonathan Katz writes:
> To do SMP right, we'd need to make the kernel fully-reentrant.

How long would it take you to implement AMP?

Most of the people who put money into multiple CPUs are not I/O-bound.
They don't mind having the system drop down to 1-CPU speed on the rare
occasions that they perform a system call.

---Dan