Ubuntu Pastebin

Paste from sarnold at Wed, 8 Feb 2017 00:37:59 +0000

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lz4:

$ time for f in initrd.img-4.4.0-* ; do lz4 $f > /dev/null ; done
Compressed 101670912 bytes into 50830988 bytes ==> 50.00%                      
Compressed 102478336 bytes into 51423683 bytes ==> 50.18%                      
Compressed 102490624 bytes into 51429641 bytes ==> 50.18%                      
Compressed 102506496 bytes into 51434959 bytes ==> 50.18%                      
Compressed 102510592 bytes into 51436925 bytes ==> 50.18%                      

real    0m1.705s
user    0m1.564s
sys     0m0.128s


gzip:

$ time for f in initrd.img-4.4.0-* ; do gzip $f > /dev/null ; done                                
                             
real    0m22.903s
user    0m22.608s
sys     0m0.288s

$ ls -l
total 183384                 
-rw-rw-r-- 1 sarnold sarnold 37117906 Feb  7 16:28 initrd.img-4.4.0-22-generic.gz
-rw-rw-r-- 1 sarnold sarnold 37659379 Feb  7 16:28 initrd.img-4.4.0-53-generic.gz
-rw-rw-r-- 1 sarnold sarnold 37660883 Feb  7 16:28 initrd.img-4.4.0-57-generic.gz
-rw-rw-r-- 1 sarnold sarnold 37668618 Feb  7 16:28 initrd.img-4.4.0-59-generic.gz
-rw-rw-r-- 1 sarnold sarnold 37663729 Feb  7 16:28 initrd.img-4.4.0-62-generic.gz


xz:

$ time for f in initrd.img-4.4.0-* ; do xz $f > /dev/null ; done                                  

real    3m31.653s
user    3m30.992s
sys     0m0.644s

$ ls -l
total 124804
-rw-rw-r-- 1 sarnold sarnold 25036020 Feb  7 16:28 initrd.img-4.4.0-22-generic.xz
-rw-rw-r-- 1 sarnold sarnold 25693684 Feb  7 16:28 initrd.img-4.4.0-53-generic.xz
-rw-rw-r-- 1 sarnold sarnold 25681100 Feb  7 16:28 initrd.img-4.4.0-57-generic.xz
-rw-rw-r-- 1 sarnold sarnold 25697212 Feb  7 16:28 initrd.img-4.4.0-59-generic.xz
-rw-rw-r-- 1 sarnold sarnold 25681800 Feb  7 16:28 initrd.img-4.4.0-62-generic.xz


zstd:

$ time for f in initrd.img-4.4.0-* ; do zstd $f > /dev/null ; done
Compressed 101670912 bytes into 39292241 bytes ==> 38.65%                      
Compressed 102478336 bytes into 39765602 bytes ==> 38.80%                      
Compressed 102490624 bytes into 39781356 bytes ==> 38.81%                      
Compressed 102506496 bytes into 39769182 bytes ==> 38.80%                      
Compressed 102510592 bytes into 39784233 bytes ==> 38.81%                      

real    0m2.796s
user    0m2.560s
sys     0m0.228s


lzop:

$ time for f in initrd.img-4.4.0-* ; do lzop $f > /dev/null ; done

real    0m1.786s
user    0m1.600s
sys     0m0.180s

$ ls -l *lzo
-rw-rw-r-- 1 sarnold sarnold 50146498 Feb  7 16:28 initrd.img-4.4.0-22-generic.lzo
-rw-rw-r-- 1 sarnold sarnold 50779044 Feb  7 16:28 initrd.img-4.4.0-53-generic.lzo
-rw-rw-r-- 1 sarnold sarnold 50784634 Feb  7 16:28 initrd.img-4.4.0-57-generic.lzo
-rw-rw-r-- 1 sarnold sarnold 50783210 Feb  7 16:28 initrd.img-4.4.0-59-generic.lzo
-rw-rw-r-- 1 sarnold sarnold 50761634 Feb  7 16:28 initrd.img-4.4.0-62-generic.lzo
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