You're correct in that better awareness is almost definitely the key.
Would you consider posting the -stable and -current port build results
You can find the realtime results from http://bento.freebsd.org/
--
-- David([EMAIL PROTECTED] -or- [EMAIL PROTECTED])
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On Mon, Jul 12, 1999 at 10:53:49PM +0400, Dmitrij Tejblum wrote:
I don't see how MAP_ANON is better than MAP_STACK.
It consumes fewer resources. Each time you grow the stack, it adds
another vm_map_entry to the vm_map and (eventually) allocates another
vm_object. Using MAP_ANON, there is
Before this thread on "cache coherence" and "memory consistency" goes
any further, I'd like to suggest a time-out to read something like
http://www-ece.rice.edu/~sarita/Publications/models_tutorial.ps.
A lot of what I'm reading has a grain of truth but isn't quite
right. This paper appeared as a
As Poul-Henning Kamp wrote ...
In message [EMAIL PROTECTED], "Bria
I suggested about half a year ago that we should officially desupport
non-FPU configurations in 4.0. Unfortunately, my resolution was
soundly defeated.
Why shouldn't we? Noone uses machines without FPUs anymore. What
Wilko Bulte wrote in list.freebsd-current:
As Poul-Henning Kamp wrote ...
In message [EMAIL PROTECTED], "Bria
I suggested about half a year ago that we should officially desupport
non-FPU configurations in 4.0. Unfortunately, my resolution was
soundly defeated.
Why
On Mon, Jul 12, 1999 at 10:38:03PM -0700, Mike Smith wrote:
I said:
than indirect function calls on some architectures: inline
branched code. So you still have a global variable selecting
locked/non-locked, but it's a boolean, rather than a pointer.
Your atomic macros are then {
According to Matthew Dillon:
Wow, now that *is* expensive! The K6 must be implementing it in
microcode for it to be that bad.
K6-200:
244 [21:57] roberto@keltia:src/C ./locktest 0
...
empty 26.84 ns/loop
1proc 22.62 ns/loop
2proc 22.64 ns/loop
empty w/locks 17.58 ns/loop
1proc
Matthew Dillon [EMAIL PROTECTED] wrote:
:mode 1 17.99 ns/loop nproc=1 lcks=no
:mode 3 166.33 ns/loop nproc=1 lcks=yes
...
:This is a K6-2 350. Locks are pretty expensive on them.
Wow, now that *is* expensive! The K6 must be implementing it in
microcode for it to be that bad.
I
In message [EMAIL PROTECTED] Greg Lehey writes:
: I've just updated my laptop from 3.2-RELEASE to 4.0-CURRENT, and I
: find that PCMCIA modems (sio) are no longer supported. I'm playing
: around with it to get it to work, but so far I've just managed to get
: panics out of sioprobe. Before I
This is with a current kernel - a kernel built 2 days ago runs ok.
The system crashes at boot, just after the disk checks. I don't have a
core dump, only the message printed on screen:
fault code: supervisor read , page not present
instruction pointer: 0xc0175396
from my kernel:
c0175234 t
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