Messages in this thread | | | From | Bob Johnson <> | Subject | Re: [BENCHMARK] TIObench 2.5.60 performance | Date | Fri, 21 Feb 2003 08:05:39 -0500 |
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My Tiobenchs on raid0 are quite a bit slower with 2.5.62 then 2.4.20 vanilla :( average 50m/sec on 2.4 average 28m/sec on 2.5.62 hdparm shows similiar results.
On Friday 21 February 2003 05:43 am, Aniruddha M Marathe wrote: > Here is TIObench performance of 2.5.62. Comparison of 2.5.62 and 2.5.60 is > given below. > > > > --------------------------------------------------------------------------- >-------------------------------------- test 2.5.62 (as compared to > 2.5.60) APPROXIMATE % change > --------------------------------------------------------------------------- >------------------------------------- rate (megabytes per second) less than > 5% increase > CPU % utilization less than 5% increase > Average Latency 5 % decrease > Maximum latency 5-10 % increase > CPU efficiency less than 5% increase > --------------------------------------------------------------------------- >-------------------------------------- > > > ************************************************************ > TIObench for kernel 2.5.62 > ************************************************************ > 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 > ---------------------------- ------ ----- --- ------ ------ --------- > ----------- -------- -------- ----- 2.5.62 252 > 4096 10 7.93 4.271% 12.438 2841.36 0.00000 0.00000 186 > > Random Reads > File Blk Num Avg > Maximum Lat% Lat% CPU Identifier Size Size > Thr Rate (CPU%) Latency Latency >2s >10s Eff > ---------------------------- ------ ----- --- ------ ------ --------- > ----------- -------- -------- ----- 2.5.62 252 > 4096 10 0.47 0.552% 213.629 1301.68 0.00000 0.00000 84 > > Sequential Writes > File Blk Num Avg > Maximum Lat% Lat% CPU Identifier Size Size > Thr Rate (CPU%) Latency Latency >2s >10s Eff > ---------------------------- ------ ----- --- ------ ------ --------- > ----------- -------- -------- ----- 2.5.62 252 > 4096 10 12.39 21.14% 6.214 37150.05 0.10157 0.00782 59 > > Random Writes > File Blk Num Avg > Maximum Lat% Lat% CPU Identifier Size Size > Thr Rate (CPU%) Latency Latency >2s >10s Eff > ---------------------------- ------ ----- --- ------ ------ --------- > ----------- -------- -------- ----- 2.5.62 252 > 4096 10 0.73 0.891% 0.762 1761.34 0.00000 0.00000 81 No > size specified, using 252 MB > > Aniruddha Marathe > WIPRO Technologies, India. > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/
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