F21 System Wide Change: lbzip2 as default bzip2 implementation

Zbigniew Jędrzejewski-Szmek zbyszek at in.waw.pl
Tue Apr 8 14:40:55 UTC 2014


On Fri, Apr 04, 2014 at 04:15:59PM +0200, Mikolaj Izdebski wrote:
> As I promised, I prepared a benchmark of lbzip2 and bzip2.
> Decompression of linux-3.12.6.tar.bz2
> -------------------------------------
> 
> command    |   real |   user |  sys | memory
> -----------+--------+--------+------+-------
> lbzip2     |   0.79 |  30.72 | 1.70 | 448804
> lbzip2 -u  |   5.85 |  18.62 | 1.83 |  80992
> pbzip2     |  24.48 |  24.27 | 0.61 |  98444
> bzip2      |  23.95 |  23.46 | 0.44 |   4212
That is *impressive*.

Zbyszek


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