lzma someone?

Oliver Falk oliver at linux-kernel.at
Thu Aug 25 15:20:17 UTC 2005


On 08/25/2005 04:13 PM, Jeff Gilchrist wrote:
> On 8/25/05, Jindrich Novy <jnovy at redhat.com> wrote:
> 
> 
>>I'm quite sure about this. It's very useful Lempel-Ziv based compression
>>tool. It takes ages to compress anything with it (up to 40 times longer
>>compression times than gzip), but the decompression is pretty fast,
>>because the decompressor design is cache-friendly unlike bzip2, and
>>other Burrows-Wheeler sorting based compressors, that reaches good
>>compression ratios but both compression/decompression takes ages.
> 
> 
> The speed of bzip2 is the reason I wrote pbzip2, a parallel
> impelementation of pbzip2 that achieves near-linear speedup on SMP
> systems.  Especially useful with dual-core CPUs coming out on the
> market, you can compress and decompress 2x as fast and still get the
> great compression ratios.

Sure, pbzip2 is nice, but to have another compressor at hand, that gains 
higher compression ratios, isn't bad... :-)

> I just need someone to review my package so it can be included in Fedora Extras.
> 
> BugZilla ID is here: 
> https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=166515

See my comments. :)

Best,
  Oliver




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