TIO bench results for kernel 2.5.50 with mm1 patch

Hi,
Here are the results of comparison of Kernel 2.5.50 and 2.5.50 with mm1 patch. Please see the mail in full size window to avoid text wrap problem. 2.5.50 performs quite better on many parameters that are tested by this bench.
Key findings
1. on an average, it is a pretty mix bag result. you can't definitely say that one version is doing better than other
with respect to a particular parameter
2. for 2.5.50 mm1, the maximum latency has reduced further
3. Average latency is reduced in 2.5.50 with mm1 patch.

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                             TIO BENCH PERFORMANCE RESULT
                             LINUX KERNEL 2.5.50 patch mm1
                             Date: December 3nd 2002
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No size specified, using 252 MB

Unit information
================
File size = megabytes
Blk Size = bytes
Rate      = megabytes per second
CPU%      = percentage of CPU used during the test
Latency   = milliseconds
Lat%      = percent of requests that took longer than X seconds
CPU Eff   = Rate divided by CPU% - throughput per cpu load

Sequential Reads
                              File Blk   Num                   Avg      Maximum      Lat%     Lat%    CPU
Identifier                    Size Size Thr   Rate (CPU%) Latency    Latency      >2s      >10s    Eff
---------------------------- ------ ----- --- ------ ------ --------- ----------- -------- -------- -----
2.5.50-mm1                    252   4096   10    8.72 7.815%    12.844     1674.76   0.00000 0.00000   112

Random Reads
                              File Blk   Num                   Avg      Maximum      Lat%     Lat%    CPU
Identifier                    Size Size Thr   Rate (CPU%) Latency    Latency      >2s      >10s    Eff
---------------------------- ------ ----- --- ------ ------ --------- ----------- -------- -------- -----
2.5.50-mm1                    252   4096   10    0.46 12.05%   234.173     1668.20   0.00000 0.00000     4

Sequential Writes
                              File Blk   Num                   Avg      Maximum      Lat%     Lat%    CPU
Identifier                    Size Size Thr   Rate (CPU%) Latency    Latency      >2s      >10s    Eff
---------------------------- ------ ----- --- ------ ------ --------- ----------- -------- -------- -----
2.5.50-mm1                   252   4096   10   19.44 37.52%     3.566    18625.49   0.04999 0.00000    52

Random Writes
                              File Blk   Num                   Avg      Maximum      Lat%     Lat%    CPU
Identifier                    Size Size Thr   Rate (CPU%) Latency    Latency      >2s      >10s    Eff
---------------------------- ------ ----- --- ------ ------ --------- ----------- -------- -------- -----
2.5.50-mm1                    252   4096   10    0.78 1.074%     0.945     1548.54   0.00000 0.00000    73

========================================================================================================================
*******************************************************************************
                             TIO BENCH PERFORMANCE RESULT
                            LINUX KERNEL 2.5.50
                             Date: December 2nd 2002
*******************************************************************************
No size specified, using 252 MB

Sequential Reads
                              File Blk   Num                   Avg      Maximum      Lat%     Lat%    CPU
Identifier                    Size Size Thr   Rate (CPU%) Latency    Latency      >2s      >10s    Eff
---------------------------- ------ ----- --- ------ ------ --------- ----------- -------- -------- -----
2.5.50                        252   4096   10    8.30 5.390%    13.602     1781.18   0.00000 0.00000   154

Random Reads
                              File Blk   Num                   Avg      Maximum      Lat%     Lat%    CPU
Identifier                    Size Size Thr   Rate (CPU%) Latency    Latency      >2s      >10s    Eff
---------------------------- ------ ----- --- ------ ------ --------- ----------- -------- -------- -----
2.5.50                        252   4096   10    0.43 0.915%   253.047      926.85   0.00000 0.00000    47

Sequential Writes
                              File Blk   Num                   Avg      Maximum      Lat%     Lat%    CPU
Identifier                    Size Size Thr   Rate (CPU%) Latency    Latency      >2s      >10s    Eff
---------------------------- ------ ----- --- ------ ------ --------- ----------- -------- -------- -----
2.5.50                        252   4096   10   18.27 33.65%     3.720    19737.37   0.04843 0.00000    54

Random Writes
                              File Blk   Num                   Avg      Maximum      Lat%     Lat%    CPU
Identifier                    Size Size Thr   Rate (CPU%) Latency    Latency      >2s      >10s    Eff
---------------------------- ------ ----- --- ------ ------ --------- ----------- -------- -------- -----
2.5.50                        252   4096   10    0.78 1.125%     1.374     1801.47   0.00000 0.00000    69
=======================================================================================================================

Regards,
---------------------------------------------------------------
Aniruddha Marathe
Systems Engineer,
4th floor, WIPRO technologies,
53/1, Hosur road,
Madivala,
Bangalore - 560068
Karnataka, India
Phone: +91-80-5502001 extension 5092
E-mail: aniruddha.marathe@wipro.com
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