DragonFly kernel List (threaded) for 2003-07
[
Date Prev][
Date Next]
[
Thread Prev][
Thread Next]
[
Date Index][
Thread Index]
Re: MESI Caching work start (was Re: caching and userapi)
:On Sat, 19 Jul 2003, Matt Dillon wrote:
:
:> Interesting. That article is dated 4 Dec 2001. I wonder if Larry
:> has updated his thinking since then. I also looked at the slides
:> and flipped through the two papers mentioned. He doesn't specifically
:> mention MESI but it is obvious that he is angling for the same effect.
:
:MESI would well for caching the metadata of the / directory
:between the OS instances (except for atime updates), but I'm
:not sure it would be a good strategy for eg. /tmp ...
:
:Rik
:--
:Engineers don't grow up, they grow sideways.
:http://www.surriel.com/ http://kernelnewbies.org/
Yes, there are some interesting tradeoffs between a shared caching model
and a per-cpu caching model. The book is completely open in regards to
which model we use for what cache. I actually don't mind the
read-copy-update idea, I would just like to find a more efficient way
to handle updates.
-Matt
Matthew Dillon
<dillon@xxxxxxxxxxxxx>
[
Date Prev][
Date Next]
[
Thread Prev][
Thread Next]
[
Date Index][
Thread Index]