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A comment on Use multiple CPU Cores with your Linux commands.

Re:Use multiple CPU Cores with your Linux commands by wmf on Thursday October 17, 2013 @04:41PM (#6567988)
BTW, bzip2 has been obsoleted by xz and the parallel version is called pxz.
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Re:Use multiple CPU Cores with your Linux commands by iamthad on Thursday October 17, 2013 @07:11PM (#6568797)
xz is clearly superior in many regards. My understanding is that xz can use significantly more memory upon compression/decompression.

http://pokecraft.first-world.info/wiki/Quick_Benchmark:_Gzip...

Some additional discussion about why xz is not as widely used: http://stackoverflow.com/questions/6493270/why-is-tar-gz-sti...

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