:Do we have some simple before/after numbers for typical operations like
:extracting pkgsrc-2007Q4.tar.gz and/or running some io benchmark (some
:phases of kernel compilation may be affected as well)? I don't have easy
:access to a dragonfly box atm.
:
:Thanks,
:Aggelos
The main advantage is that the cpu threads will no longer block when
reading from disk so the vkernel is a lot more responsive under load.
This replaces the junky cpu reservations I was using for ncpus > 2 before
(plus it works for -n 1). I would expect any I/O involving read-ahead
would operate more efficiently but I haven't run any real tests with
regards to I/O throughput. It will likely remain fairly poor from a
pure throughput point of view.
We need to convert the network driver (vke) over to using the new
interface, and improve the bulk operations a bit more.
-Matt
Matthew Dillon
<[EMAIL PROTECTED]>
