On Wed, Mar 07, 2007 at 15:35:01 +0100, Felix von Leitner wrote:
> Thus spake Sami Farin (safari-dns@safari.iki.fi):
> > > So if you feel courageous, modify surf() to do 4 loops :)
> > What the heck.
>
> Indeed. What the hell is wrong with you?
>
> surf is there for security reasons. It is MEANT to take some time.
> That's where its security comes from.
Well BIND seems to do better, according to this.
http://www.lurhq.com/cachepoisoning.html
> salsa20 has already been broken for reduced rounds. Not for 8 yet, but
> it's getting there.
Blah Blah. For 7 rounds something like 2^170 work.
> You have provided NO evidence whatsoever that dnscache was actually
> bottlenecked by the divisions or by surf (which is a ludicrous thought
I showed dns_random took most of the time in one email.
> given that it's doing socket I/O, i.e. syscalls, all the time).
> You didn't even have evidence that poll is a bottleneck. On a typical
Yes I have.
And epoll was not the only improvement.
Go troll somewhere else.
> installation, dnscache polls at couple dozen descriptors, tops. You
Then use your typical poll() on your typical system,
and let others use epoll() in real systems.
> just wasted your time, and all of our's as well.
I never waste time.
No matter what I do, a day takes 24 hours every day.
> > It's now ~ten times faster than the original.
>
> Go read up on
>
> http://en.wikipedia.org/wiki/Amdahl's_Law
>
> before you make it even worse. And all that from a guy who had nothing
I can make it as bad or good as I want to,
and I don't need your opinion while doing so.
> better to do than troll the qmail mailing list with a stupid postfix
> troll. Oh please.
>
> I heard that there's nothing to do in Finland at this time of year, but
> come one, there has to be something you could do besides trolling
> mailing lists. Go make some mobile phones or something. Invent a new
Looks like your country is not much different.
> crappy chat protocol.
Actually, no need to, because there's SILC, invented by a Finn.
http://silcnet.org/
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