some people are more equal than others ... how did you succeed in attaching a script file to your post?
R.E. Boss > -----Original Message----- > From: [email protected] [mailto:programming- > [email protected]] On Behalf Of bill lam > Sent: donderdag 18 september 2014 17:43 > To: [email protected] > Subject: Re: [Jprogramming] zlib huffman coding > > IMO the huffman coding part is relatively easily and performance > is acceptable, it looks like linear in time. > > the LZ77 is still very slow compared with zlib.so thus there > should be room for improvement. Test caes are in public repos > but not jal addons, I include here for your reference. Thanks. > > You may need ot modify some file path, you can replace the 4 or > 5 text files with any other text files you like, so they are not > attached. > > please let me know if the attachment test script is missing. > > After we are happy with zlib, we might try jpeg which is also a > minefield of patents, unfortunately. > > Чт, 18 сен 2014, Raul Miller написал(а): > > It would be interesting to review the code and your test cases, once > > you are happy with it. > > > > The whole "try again" thing is a good first cut, but there might be > > other approaches. (Or there might not be.) > > > > Thanks, > > > > -- > > Raul > > > > > > On Thu, Sep 18, 2014 at 5:58 AM, bill lam <[email protected]> wrote: > > > After more tests, I found there is another rule not explicitly > > > mentioned in rfc -- the maximum bit length is 15 (or 7 in another > > > tree). When the distribtution of frequency is highly spreaded, > > > the maximnum from hcode can be 16. In this case, it needs to > > > increase the level of (non-zero) minimum frequency and try > > > again, and iterate until the maximum bit length is 15 or smaller. > > > > > > -- > > > regards, > > > ==================================================== > > > GPG key 1024D/4434BAB3 2008-08-24 > > > gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3 > > > gpg --keyserver subkeys.pgp.net --armor --export 4434BAB3 > > > ---------------------------------------------------------------------- > > > For information about J forums see > http://www.jsoftware.com/forums.htm > > ---------------------------------------------------------------------- > > For information about J forums see > http://www.jsoftware.com/forums.htm > > -- > regards, > ==================================================== > GPG key 1024D/4434BAB3 2008-08-24 > gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3 > gpg --keyserver subkeys.pgp.net --armor --export 4434BAB3 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
