https://communities.sas.com/t5/SAS-Procedures/Diff-between-CPU-Time-and-Real-Time-in-log/m-p/75413#M21872 If i run a dataset we will find CPU Time and Real Time in log window after execution.<BR /> <BR /> <BR /> NOTE: There were 4 observations read from the data set WORK.AS.<BR /> NOTE: PROCEDURE PRINT used (Total process time):<BR /> real time 0.18 seconds<BR /> cpu time 0.00 seconds<BR /> <BR /> what is the difference and what is it. Wed, 25 Feb 2009 12:09:54 GMT R_Win 2009-02-25T12:09:54Z https://communities.sas.com/t5/SAS-Procedures/Diff-between-CPU-Time-and-Real-Time-in-log/m-p/75413#M21872 If i run a dataset we will find CPU Time and Real Time in log window after execution.<BR /> <BR /> <BR /> NOTE: There were 4 observations read from the data set WORK.AS.<BR /> NOTE: PROCEDURE PRINT used (Total process time):<BR /> real time 0.18 seconds<BR /> cpu time 0.00 seconds<BR /> <BR /> what is the difference and what is it. Wed, 25 Feb 2009 12:09:54 GMT https://communities.sas.com/t5/SAS-Procedures/Diff-between-CPU-Time-and-Real-Time-in-log/m-p/75413#M21872 R_Win 2009-02-25T12:09:54Z https://communities.sas.com/t5/SAS-Procedures/Diff-between-CPU-Time-and-Real-Time-in-log/m-p/75414#M21873 Real time is actual clock time it took to execute the proc print. It can change depending on system capacity and current load. <BR /> <BR /> CPU time is the processing time the CPU used to execute the procedure. It's not supposed to depend on load factors.<BR /> <BR /> That 4 observation data step is so short that it required less than 1/100 of a second in CPU time for the print procedure, so the CPU time is showing up as 0:00.<BR /> <BR /> Does this answer your question? Wed, 25 Feb 2009 15:12:17 GMT https://communities.sas.com/t5/SAS-Procedures/Diff-between-CPU-Time-and-Real-Time-in-log/m-p/75414#M21873 martha_sas 2009-02-25T15:12:17Z