Re: PostgreSQL
Ignatios Souvatzis <[email protected]>
| Newsgroups | gmane.os.netbsd.devel.general |
|---|---|
| Message-ID | <[email protected]> |
On Thu, Feb 02, 2006 at 04:01:27AM -0800, Alfred Perlstein wrote: > * Ignatios Souvatzis <[email protected]> [060202 03:38] wrote: > > On Wed, Feb 01, 2006 at 06:58:04PM -0800, Alfred Perlstein wrote: > > > > > Also, I'm pretty sure that synchronization between threads doesn't > > > require locked bus cycles, only atomic ops, again another saving. > > > > If this was the case, I'd be very interested in your definition of > > "locked bus cycle" vs. "atomic ops". > > My mistake, I somehow was thinking of a userspace threading > system, where there is one kernel context for many threads. Ah, doesn't work that way in NetBSD. At least in theory, on a multi- CPU- system N threads may well occupy more than one CPU. (Although I think that currently this feature isn't enabled on the netbsd-3 branch - but don't depend on it.) -is -- seal your e-mail: http://www.gnupg.org/