On 04/04/2014 04:15 PM, Mikolaj Izdebski wrote:
> Compression of payload.tar
> --------------------------
> 
> command    |   real |   user |  sys | memory | compr. size
> -----------+--------+--------+------+--------+------------
> lbzip2     |   3.36 | 170.07 | 6.38 | 380448 | 424676188
> lbzip2 -u  |   6.45 | 123.14 | 3.80 | 255524 | 424518771
> pbzip2     |   6.78 | 288.33 | 8.90 | 491644 | 425213134
> bzip2      | 176.68 | 175.76 | 0.67 |   8000 | 425108407
> 
> 
> Conclusions
> ===========
> [...]
> "lbzip2 -u" always produced smallest files (even smaller than bzip2)
> while consuming the least amount of resources (CPU power and memory).

The table above says it needs about 30 times *more* memory than bzip2.

Michal

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