On Tue, Mar 18, 2003 at 01:28:31PM -0800, Ed Mooring wrote:
...
I had something vaguely similar happen while I was porting the FreeBSD
4.2 networking stack to LynxOS. It turned out the culprit was sbappend().
It does a linear pointer chase down the mbuf chain each time you do
a write() or
On Wed, 19 Mar 2003 02:30:58 PST Sean Chittenden wrote:
Ooooh! Opportune timing! I was going to bring this up on the
performance@ list (core@, ::hint hint::), but now's as good of a time
as any.
Great!
Luigi, I've updated the patch mentioned in this email. Could you
review this and
Hello,
Scenario:
Two hosts:
*** Host a:
CPU: Intel(R) Xeon(TM) CPU 2.80GHz (2790.96-MHz 686-class CPU)
Hyperthreading: 2 logical CPUs
real memory = 1073676288 (1048512K bytes)
em0: flags=8843UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST mtu 4470
options=3rxcsum,txcsum
media: Ethernet
On Tue, Mar 18, 2003 at 08:51:29PM +0100, Borje Josefsson wrote:
[snip scenario]
The hosts are connected directly (no LAN equipment inbetween) to high
capacity backbone routers (10 Gbit/sec backbone), and are approx 1000
km/625 miles(!) apart. Measuring RTT gives:
RTTmax = 20.64 ms. Buffer
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