Benchmark: Itanium 16

• Test date: Fri Aug 31 2012
• lbzip2 versions: 2.2, 2.1 and 0.23
• Tester: Mikolaj Izdebski [email protected]

Configuration

CPU: Intel Itanium 2, 16 cores, 8 sockets, 2 cores/socket, clock 1.4 GHz

RAM: 16 GiB

Software: Red Hat Enterprise Linux Server release 5.9 Beta (Tikanga), gcc (GCC) 4.1.2 20080704, flags: -g -O2

Payload: tar c /usr, 1,479,454,720 bytes

Filesystem: tmpfs (/dev/shm)

Results

Compression tests

# of    time   lbzip2  lbzip2  lbzip2
threads           2.2     2.1    0.23
-------------------------------------
4      wall:    85.81   94.31  146.77
       user:   341.82  454.48  586.01
       sys:      2.69    3.66    1.98
       %CPU:     401%    400%    400%
-------------------------------------
8      wall:    44.01   57.02   74.07
       user:   348.56  453.70  588.56
       sys:      2.41    2.77    2.69
       %CPU:     797%    800%    798%
-------------------------------------
16     wall:    22.95   29.73   37.56
       user:   352.28  466.06  588.54
       sys:      2.74    3.48    2.71
       %CPU:    1546%   1579%   1574%
-------------------------------------
1024   wall:    24.32   31.22   39.48
       user:   366.52  477.60  606.96
       sys:      3.16    4.48    5.12
       %CPU:    1519%   1543%   1550%
-------------------------------------

Decompression tests

# of    time   lbzip2  lbzip2  lbzip2
threads           2.2     2.1    0.23
-------------------------------------
4      wall:    22.04   23.63   58.99
       user:    87.59   93.82  234.54
       sys:      2.43    2.40    2.82
       %CPU:     408%    407%    402%
-------------------------------------
8      wall:    11.29   11.99   29.58
       user:    89.61   94.85  233.12
       sys:      2.29    2.36    2.37
       %CPU:     813%    810%    796%
-------------------------------------
16     wall:     6.08    6.48   15.33
       user:    93.25   97.57  233.42
       sys:      2.50    2.22    2.42
       %CPU:    1572%   1539%   1538%
-------------------------------------
1024   wall:     7.70   10.99   17.66
       user:   107.28  115.48  226.82
       sys:      2.93    8.16    7.86
       %CPU:    1431%   1124%   1328%
-------------------------------------