Print out runtime

[swartzism]

Is there a way to print out how long it took a program to run as to check optimization?

If so, is there some easy code to include which will print out the number of seconds it took?

Thanks in advance.

 

[mikrom]

Similar question was answered here:

http://www.tek-tips.com/viewthread.cfm?qid=1500792

 

[FJacq]

Give a try to the routine cpu_time which is part of F95 standard

DTIME and ETIME have never been portable.

François Jacq

 

[NickFort]

I use "system_clock" as I find it to be much more accurate than "cpu_time". If I am not mistaken, that should be portable, as it is standard F95 and later (according to the gfortran manual, anyway).

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Background: Chemical engineer, familiar mostly with MATLAB, but now branching out into real programming.