Here are the results of comparison of kernel 2.5.56 and 2.5.55
on TIObench. key findings are listed in the table. Values in the
table indicate approximate percentage change with respect to previous result.
Please see the mail in full window to see the formatted results.
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test 2.5.56 (as compared to
2.5.55) APPROXIMATE % change
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rate (megabytes per second) no much change
CPU % utilization less than 5% change
Average Latency less than 5% decrease
Maximum latency less than 5% increase
CPU efficiency 5-10% decrease
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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
---------------------------- ------ ----- --- ------ ------ --------- ----------- -------- -------- -----
2.5.56 252 4096 10 9.42 5.755% 10.404 1371.29 0.00000 0.00000 164
Random Reads
File Blk Num Avg Maximum Lat% Lat% CPU
Identifier Size Size Thr Rate (CPU%) Latency Latency >2s >10s Eff
---------------------------- ------ ----- --- ------ ------ --------- ----------- -------- -------- -----
2.5.56 252 4096 10 0.53 0.871% 195.144 756.86 0.00000 0.00000 60
Sequential Writes
File Blk Num Avg Maximum Lat% Lat% CPU
Identifier Size Size Thr Rate (CPU%) Latency Latency >2s >10s Eff
---------------------------- ------ ----- --- ------ ------ --------- ----------- -------- -------- -----
2.5.56 252 4096 10 17.81 29.78% 3.704 23828.73 0.06562 0.00000 60
Random Writes
File Blk Num Avg Maximum Lat% Lat% CPU
Identifier Size Size Thr Rate (CPU%) Latency Latency >2s >10s Eff
---------------------------- ------ ----- --- ------ ------ --------- ----------- -------- -------- -----
2.5.56 252 4096 10 0.78 1.015% 1.188 1933.62 0.00000 0.00000 77
Aniruddha Marathe
WIPRO Technologies, India
[email protected]
+91-80-5502001 to 2008 extn 5092