[NCLUG] Linux System Performance (MORE RESULTS)

[Ray Frush]

Here are some results from a single 2.8Ghz Intel P4 Xeon  on a 
SuperMicro DP MB with 2GB of DDR RAM in a dual bank configuration.  
There's an odd flop of performance between sequential and random access 
as block size changes.


[root at loki mbench]# ./mbench
Mbench by John. L. Bass, DMS Design copyright 1985-1996
You are free to copy and use this program providing configuration info
and results are shared with the author by email to jbass at dmsd.com

Counts are per clock tick, presumed to be HZ=100
 SetSize         Random    Sequential
--------  ------------- ------------- 0%        25%        50%        
75%       100%
    1024  3391004 100%   469235 100% |     @    |          |          
|          *
    1536  3310921  97%   464937  99% |     
@                                    * 
    2048  3310921  97%   464937  99% |     @    |          |          
|         *|
    3072  3310921  97%   464937  99% |     
@                                    * 
    4096  3310921  97%   464937  99% |     @    |          |          
|         *|
    6144  3310921  97%   120521  25% | 
@                                        * 
    8192  3291174  97%   120280  25% | @        |          |          
|         *|
   12288   620841  18%  3861096 822% |       
*                                    
   16384  4215369 124%  3864953 823% @          |          |          
|          |
   24576  2852997  84%  3822908 814% 
@                                            
   32768  2476544  73%  3822912 814% |          |          |         
*|          |
   49152  1906062  56%  3830573 816% |                        
*                   
   65536  2012835  59%  3819103 813% |          |          |   *      
|          |
   98304  1588672  46%  3853788 821% |                    
*                       
  131072  1393746  41%  3861515 822% |          |      *   |          
|          |
  196608  1308611  38%  3861504 822% |                
*                           
  262144  1203423  35%  3800693 809% |          |    *     |          
|          |
  393216   858976  25%  3644012 776% |          
*                                 
  524288   588148  17%  1282270 273% |       *  |     @    |          
|          |
  786432   231552   6%   642749 136% |  *    
@                                    
 1048576   163520   4%   642752 136% | *     @  |          |          
|          |
 1572864   123748   3%   644040 137% | *     
@                                    
 2097152   107776   3%   642747 136% |*      @  |          |          
|          |
 3145728    95135   2%   642110 136% |*      
@                                    
 4194304    89479   2%   642755 136% |*      @  |          |          
|          |
 6291456    83840   2%   643395 137% |*      
@                                    
 8388608    81240   2%   643392 137% |*      @  |          |          
|          |
12582912    78576   2%   644036 137% |*      
@                                    
16777216    77202   2%   644677 137% |*      @  |          |          
|          |


-- 
Ray Frush               "Either you are part of the solution
T:970.288.6223               or part of the precipitate."
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