star needed some additional functionality. So if you want to use mtwrite with 
star, please download the latest version. Performance numbers look like this:

[EMAIL PROTECTED]:/var/tmp$ timex mtstar xf gcc.tar.gz
star: WARNING: Archive is 'gzip' compressed, trying to use the -z option.
star: 15889 blocks + 0 bytes (total of 162703360 bytes = 158890.00k).

real        9.72
user        2.92
sys         2.77

[EMAIL PROTECTED]:/var/tmp$ rm -r gcc-*
[EMAIL PROTECTED]:/var/tmp$ timex star xf gcc.tar.gz
star: WARNING: Archive is 'gzip' compressed, trying to use the -z option.
star: 15889 blocks + 0 bytes (total of 162703360 bytes = 158890.00k).

real       33.94
user        2.55
sys         2.78

[EMAIL PROTECTED]:/var/tmp$ rm -r gcc-*
[EMAIL PROTECTED]:/var/tmp$ gzip -d gcc.tar.gz
[EMAIL PROTECTED]:/var/tmp$ timex mtstar xf gcc.tar
star: 15889 blocks + 0 bytes (total of 162703360 bytes = 158890.00k).

real       15.32
user        0.46
sys         3.24

[EMAIL PROTECTED]:/var/tmp$ rm -r gcc-*
[EMAIL PROTECTED]:/var/tmp$ timex star xf gcc.tar
star: 15889 blocks + 0 bytes (total of 162703360 bytes = 158890.00k).

real       34.00
user        0.12
sys         2.24

[EMAIL PROTECTED]:/var/tmp$ timex mtstar xf binutils.tar 
star: 31872 blocks + 0 bytes (total of 326369280 bytes = 318720.00k).

real       13.14
user        0.64
sys         3.92

[EMAIL PROTECTED]:/var/tmp$ rm -r binutils-*
[EMAIL PROTECTED]:/var/tmp$ timex star xf binutils.tar
star: 31872 blocks + 0 bytes (total of 326369280 bytes = 318720.00k).

real       27.25
user        0.10
sys         3.52

[EMAIL PROTECTED]:/var/tmp$ rm -r binutils-*
[EMAIL PROTECTED]:/var/tmp$ gzip binutils.tar
[EMAIL PROTECTED]:/var/tmp$ timex mtstar xf binutils.tar.gz
star: WARNING: Archive is 'gzip' compressed, trying to use the -z option.
star: 31872 blocks + 0 bytes (total of 326369280 bytes = 318720.00k).

real       14.56
user        6.74
sys         3.93

[EMAIL PROTECTED]:/var/tmp$ rm -r binutils-*
[EMAIL PROTECTED]:/var/tmp$ timex star xf binutils.tar.gz
star: WARNING: Archive is 'gzip' compressed, trying to use the -z option.
star: 31872 blocks + 0 bytes (total of 326369280 bytes = 318720.00k).

real       24.35
user        6.15
sys         3.56


gcc.tar are the core directories of gcc-3.4.6 and gcc-4.1.1
binutils.tar are the object files directories of compiled binutils for various 
architecture (ppc, x86, m68k, avr, arm, m68hc16)

As you can see from the numbers above, the performance gain is about x2-x3 with 
star.

Cheers,
Thomas
 
 
This message posted from opensolaris.org
_______________________________________________
opensolaris-discuss mailing list
[email protected]

Reply via email to