Re: [Hampshire] compression

--- On Wed, 18/2/09, Dr A. J. Trickett <adam.trickett@???> wrote:

> On Wed, 18 Feb 2009 at 03:41:25PM +0000, Isaac Close wrote:
> > hello all,
> >
> > I'm (trying) to find the 'best'
> compression software/algorithm
> > about. Best as-in best compression ratio most, cpu
> time and
> > memory footprint are not a problem.
>
> > I'm already well aware of 7zip, bzip2, rzip and
> ofcourse gzip,
> > but looking on google is not putting me beyond those.
>
> It denpends on the data but gzip is okay, bzip2 is usually
> better
> and lzma (of 7zip fame) tends to be best. lzma does have a
> heavy
> CPU penalty but as you don't care then you are okay.
>
I will check that out.

> Sometime a specialised compression engine will work better
> as it
> has a better "dictionary".
>
> Given cheap high capacity hard disks why do you need to
> squeeze
> the last few bytes out of your files? If you don't mind
> me asking?

Its purely discussion with my peers at the moment, but it is sorta related to low bandwidth connections (a seperate can of worms).

Isaac,