On Fri, Jan 24, 2003 at 03:22:13PM +0000, Gordan Bobic wrote:
> On Fri, 24 Jan 2003, Matthew Toseland wrote:
> 
> > > > > When you say powers of two - does that mean that a 5 KB file will be 
> > > > > rounded to 8 KB? Or be split into 4 KB and 1 KB? If it is split, at what 
> > > > 
> > > > Rounded.
> > > 
> > > I just realized something. If files are rounded to the size which is the 
> > > next power of 2, doesn't that mean that in the worst case, where the file 
> > > has size n bytes, wasted space is anything up to (n-1) bytes? And in the 
> > > average case (n/2) bytes? Is this space actually wasted? Is the empty 
> > > space padded with zeros or random data?
> > 
> > No, the worst case is n/2. The average case is 3n/4. Unless we are
> > talking about the source document being below the minimum 1kB.
> 
> I see what you mean. You are taking n for key size (power of 2). I was 
> taking n for FILE size, which is arbitrary. If that is the case, then the 
> two cases are in agreement. :-)
No, I mean the data that is attached to the key. Which is a power of 2.
Which usually can be requested as a single file on the client side, but
sometimes is part of a splitfile on the client side.
> 
> Regards.
> 
> Gordan

-- 
Matthew Toseland
[EMAIL PROTECTED][EMAIL PROTECTED]
Full time freenet hacker.
http://freenetproject.org/
Freenet Distribution Node (temporary) at http://amphibian.dyndns.org:8889/HHNZUgpOJ6Y/
ICTHUS.

Attachment: msg01074/pgp00000.pgp
Description: PGP signature

Reply via email to