On Mon, Mar 18, 2002 at 02:12:48PM +, Brian J. Beesley wrote:
On Monday 18 March 2002 10:21, Nick Craig-Wood wrote:
There has been some discussion on the linux kernel mailing list about
providing 2 MB pages (instead of 4kB ones) to user space for the use
of database or scientific
On Tuesday 19 March 2002 10:09, Nick Craig-Wood wrote:
On Mon, Mar 18, 2002 at 02:12:48PM +, Brian J. Beesley wrote:
If the active data is already memory resident, TLB thrashing is not going
to be an issue.
The TLB (translation lookaside buffer) has very little to do with the
On Tue, Mar 19, 2002 at 08:11:54PM +, Brian J. Beesley wrote:
Ah, but ... frequently accessing pages (virtual _or_ physical) will
keep the TLB pages from getting too far away from the processor;
probably at worst they will stay in the L1 cache.
Yes.
The overhead of accessing from L1
There has been some discussion on the linux kernel mailing list about
providing 2 MB pages (instead of 4kB ones) to user space for the use
of database or scientific calculations.
It seems to me that prime95/mprime would benefit from this enormously
- it should reduce the TLB thrashing to
On Monday 18 March 2002 10:21, Nick Craig-Wood wrote:
There has been some discussion on the linux kernel mailing list about
providing 2 MB pages (instead of 4kB ones) to user space for the use
of database or scientific calculations.
It seems to me that prime95/mprime would benefit from this
