Sparc slowdown - problem identified...

[Tillman Hodgson]

On Sun, Aug 17, 2003 at 09:47:26PM -0600, Tillman wrote:
> Results:
> 
>  Old buildkernel time:
> 
> real    477m30.067s
> user    400m42.592s
> sys     24m45.618s
> 
>  New buildkernel time:
> 
> real    151m42.832s
> user    125m20.230s
> sys     13m10.643s

And, interestly enough, my disk I/O has also significantly improved.

 Old bonnie++:

Version 1.93c       ------Sequential Output------ --Sequential Input- --Random-
Concurrency   1     -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine        Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP  /sec %CP
caliban        300M     8  92  1999  10   924   5    15  92  1887   6  72.4  21
Latency              2260ms     519ms    2964ms    1117ms     161ms    3688ms
Version 1.93c       ------Sequential Create------ --------Random Create--------
caliban             -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
              files  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
                 16   856  68  2968  89  2478  94   811  60  2817  84  2770  94
Latency              1589ms     250ms    3365us    1674ms     477ms   10394us

 New bonnie++:

Concurrency   1     -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine        Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP  /sec %CP
caliban        300M    19  96  2003   6   943   3    37  96  1943   3  74.7  13
Latency               900ms     513ms    1025ms     401ms     255ms    6134ms
Version 1.93c       ------Sequential Create------ --------Random Create--------
caliban             -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
              files  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
                 16  1233  53  5889  93  5029  97   783  34  5587  91  4943  95
Latency              1530ms   75401us    3181us    3192ms     111ms   62428us

-T


-- 
When an ordinary man attains knowledge, he is a sage; when a sage attains
understanding, he is an ordinary man.
	- Zen saying