https://communities.sas.com/t5/New-SAS-User/Measure-cpu-time-in-SAS-ODA/m-p/907346#M40584 <P>If your goal is benchmarking (comparing the efficiency of different techniques) I usually run each version 5 times, sum up the CPU time and sum up the elapsed time, and divide those totals by 5 to get the number I use for comparison.&nbsp;&nbsp;</P> Mon, 11 Dec 2023 15:36:40 GMT SASJedi 2023-12-11T15:36:40Z https://communities.sas.com/t5/New-SAS-User/Measure-cpu-time-in-SAS-ODA/m-p/907341#M40583 <P>Hi! I want to measure cpu time in SAS ODA. The time seems to vary with +/- 5% (sometimes even more).</P> <P><BR />So I can run, the same program say 10 times. Then&nbsp; add the values (user cpu time and&nbsp;system cpu time) from the log, divide by 10.<BR />Is there any better way?</P> <P>&nbsp;</P> <P>Many thansk in advance! /Br AndersS</P> <P>&nbsp;</P> Mon, 11 Dec 2023 15:02:53 GMT https://communities.sas.com/t5/New-SAS-User/Measure-cpu-time-in-SAS-ODA/m-p/907341#M40583 AndersS 2023-12-11T15:02:53Z https://communities.sas.com/t5/New-SAS-User/Measure-cpu-time-in-SAS-ODA/m-p/907346#M40584 <P>If your goal is benchmarking (comparing the efficiency of different techniques) I usually run each version 5 times, sum up the CPU time and sum up the elapsed time, and divide those totals by 5 to get the number I use for comparison.&nbsp;&nbsp;</P> Mon, 11 Dec 2023 15:36:40 GMT https://communities.sas.com/t5/New-SAS-User/Measure-cpu-time-in-SAS-ODA/m-p/907346#M40584 SASJedi 2023-12-11T15:36:40Z https://communities.sas.com/t5/New-SAS-User/Measure-cpu-time-in-SAS-ODA/m-p/907347#M40585 <P>CPU and (particularly) real time is highly dependent on external factors like number of processes competing for resources. So it is prudent to run programs multiple times and take the mean.</P> <P>&nbsp;</P> Mon, 11 Dec 2023 15:48:02 GMT https://communities.sas.com/t5/New-SAS-User/Measure-cpu-time-in-SAS-ODA/m-p/907347#M40585 Kurt_Bremser 2023-12-11T15:48:02Z