On Wed, 12 Apr 2000, hal at finney.org wrote:
<snip>
> The arithmetic average time was 22.5 seconds measured over about 200
> samples. The median was about 12-13 seconds. Obviously this is not a
> normal curve but is heavily skewed. Standard deviation is maybe about
> 6 seconds, just eyeballing it.
>
> Based on these measurements I'd suggest increasing time per node to
> about 12 seconds and then use Oskar's formula to boost it for the smaller
> HTL values.
Ok, I did this as of build 119. I used 12 for expected value and deviation,
although as far as I can tell the deviation of your measurements is actually ?34
seconds. I think these values may have been a little corrupted by the fact that
a lot of nodes were hanging or stuck on dangling connections though (what was
your node doing on the one that took 5 minutes?). Also, the fact that the
network isn't actually being used like it should means more dead nodes (someone
mentioned filtering out bad refs, but the point is that Freenet does this
naturally (we may have to force it still)).
I got 34 secs by piping your list into this btw:
perl -e 'for (<>) {@a = split(/\ /); chomp $a[1]; $n += $a[0];
$v += $a[0]*(($a[1]-21.6941747572816)**2);} print sqrt($v/($n-1))'
>
> Hal
>
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--
Oskar Sandberg
md98-osa at nada.kth.se
#!/bin/perl -sp0777i<X+d*lMLa^*lN%0]dsXx++lMlN/dsM0<j]dsj
$/=unpack('H*',$_);$_=`echo 16dio\U$k"SK$/SM$n\EsN0p[lN*1
lK[d2%Sa2/d0$^Ixp"|dc`;s/\W//g;$_=pack('H*',/((..)*)$/)
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