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cputime
cputime
returns the total CPU time (in seconds) used by MATLAB from the time it was started. This number can overflow the internal representation and wrap around.
For example
t = cputime; surf(peaks(40)); e = cputime-t
e =
0.4667
returns the CPU time used to run surf(peaks(40)).
clock Current time as a date vector
etime Elapsed time