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From Ryan Bloom <...@covalent.net>
Subject Re: [Patch]: Scoreboard as linked list.
Date Fri, 03 Aug 2001 03:06:29 GMT

-1.  As I have stated multiple times, if this uses a mutex to lock the list whenever something
walks the scoreboard, I can't accept it.  It will kill the performance for modules that I
have.

Ryan

On Thursday 02 August 2001 19:26, Paul J. Reder wrote:
> Ok, I have finally finished this version of the scoreboard redesign. The
> basic idea is to implement the scoreboard as a linked list. The design,
> test results, benefits, and patch are at http://24.25.12.102
> Please check it out and give it a try. It performs very well.
>
> The brief performance results for this patch are:
>    Current Time: Thursday, 02-Aug-2001 13:32:45 EDT
>    Restart Time: Thursday, 02-Aug-2001 11:02:44 EDT
>    Parent Server Generation: 0
>    Server uptime: 2 hours 30 minutes
>    Total accesses: 2456532 - Total Traffic: 69.3 GB
>    CPU Usage: u42.52 s92.34 cu.29 cs2.35 - 1.53% CPU load
>    273 requests/sec - 7.9 MB/second - 29.6 kB/request
>    327 requests currently being processed, 172 idle workers
>
> compared to the current cvs code (reported yesterday):
>    Current Time: Wednesday, 01-Aug-2001 10:48:54 EDT
>    Restart Time: Wednesday, 01-Aug-2001 08:09:19 EDT
>    Parent Server Generation: 0
>    Server uptime: 2 hours 39 minutes 35 seconds
>    Total accesses: 2259384 - Total Traffic: 63.1 GB
>    CPU Usage: u31.79 s96.78 cu0 cs.06 - 1.34% CPU load
>    236 requests/sec - 6.8 MB/second - 29.3 kB/request
>    190 requests currently being processed, 0 idle workers
>
> There is a lot more info about the design, benefits, and test results
> at that web page so rather than take up any more bandwidth, please
> check it out. The patch applied cleanly to cvs head as of Thursday
> at about 12:00 noon east coast time.
>
> Also, please let me know if you have any problems getting at the page.
>
> Thanks.

-- 

_____________________________________________________________________________
Ryan Bloom                        	rbb@apache.org
Covalent Technologies			rbb@covalent.net
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