Cap on network speed in CURRENT?
rwatson at freebsd.org
Tue Jun 1 19:22:32 PDT 2004
On Tue, 1 Jun 2004, Luke wrote:
> This is indeed a very slow host, by modern standards. It's a fussy old
> Pentium 166MHz that I've put through hell for the last eight years or
> I'm building a kernel with witness and invariants turned off. Building
> a kernel usually takes overnight. I'll try it out tomorrow and see how
> it goes. If those testing programs don't require X, I'll see about
> installing one of them to help me figure out what's going on. The iperf
> site looks like it's got some helpful information that I should read
Also, try disabling SMP and possibly APIC support if it's a UP box.
There's a measurable performance overhead to compiling with SMP support,
since mutexes have to be compiled with locked instructions.
Robert N M Watson FreeBSD Core Team, TrustedBSD Projects
robert at fledge.watson.org Senior Research Scientist, McAfee Research
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