Thomas Schwinge, le Sat 13 Oct 2007 22:48:44 +0200, a écrit :
> On Thu, Dec 21, 2006 at 12:45:11AM +0100, Samuel Thibault wrote:
> > --- i386/i386at/model_dep.c 26 Nov 2006 20:01:47 - 1.9.2.10
>
> > kernel_page_dir[lin2pdenum(0)] =
> > kernel_page_dir[lin2pdenum(LINEAR_MIN
Hello!
While reading through the Intel manuals...
On Thu, Dec 21, 2006 at 12:45:11AM +0100, Samuel Thibault wrote:
> Global pages permit to keep the kernel pages in the TLB whatever the
> current process, here is a patch for supporting them. On my Pentium M, I
> get a 5% speedup on dd < /dev/zer
I think some newer AMD chips may have a tagged TLB, so PGE is superfluous
and doesn't improve anything for them.
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Hi,
[EMAIL PROTECTED], le Sun 24 Dec 2006 13:35:37 +0100, a écrit :
> On Thu, Dec 21, 2006 at 12:45:11AM +0100, Samuel Thibault wrote:
>
> > Global pages permit to keep the kernel pages in the TLB whatever the
> > current process, here is a patch for supporting them. On my Pentium M,
> > I get a
Hi,
On Thu, Dec 21, 2006 at 12:45:11AM +0100, Samuel Thibault wrote:
> Global pages permit to keep the kernel pages in the TLB whatever the
> current process, here is a patch for supporting them. On my Pentium M,
> I get a 5% speedup on dd < /dev/zero bs=1 > /dev/null .
When was the extension in
Thomas Schwinge, le Sat 23 Dec 2006 19:36:02 +0100, a écrit :
> On my Athlon XP 1.6 GHz (or similar, I don't know...) I didn't notice any
> speedup (compared to the current Debian package), but in contrast to the
> Debian package I had the GCC smashing stack protection and the GNU Mach
> kernel deb
Hello!
On Thu, Dec 21, 2006 at 12:45:11AM +0100, Samuel Thibault wrote:
> Global pages permit to keep the kernel pages in the TLB whatever the
> current process, here is a patch for supporting them. On my Pentium M, I
> get a 5% speedup on dd < /dev/zero bs=1 > /dev/null .
On my Athlon XP 1.6 GHz
looks about right to me
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Hi,
Global pages permit to keep the kernel pages in the TLB whatever the
current process, here is a patch for supporting them. On my Pentium M, I
get a 5% speedup on dd < /dev/zero bs=1 > /dev/null .
Samuel
2006-12-19 Samuel Thibault <[EMAIL PROTECTED]>
Add support for global pages.
