[darcs-devel] a measurement of using 7z instead of gz to compress patches

[John Meacham]

On Fri, Jan 18, 2008 at 01:03:03PM -0700, zooko wrote:
> > Well, the tar version compresses much better than zip because it is
> > streaming and doesn't have an index. since you tar then gzip, it  
> > doesn't
> > compress each patch independently but rather compresses a single  
> > stream
> > containing all the patches. since patches are extremely similar, this
> > results in substantial improvements over individually compressing each
> > file like zip does in order to individually access them via its index.
> 
> Really?  Perhaps you were talking about "zip" [1], but I am talking  
> about "7z" a.k.a. "7-zip" [2].

Yes. I was thinking of zip. sorry. how does 'bzip2' compare actually?

        John


-- 
John Meacham - ⑆repetae.net⑆john⑈