[petsc-users] Functions to return system time

[Qiyue Lu]

Dear all:

I have a segment of code in PETSc and am trying to measure its execution
time. Is there built-in functions in PETSc returning the current system
time? So I can call this function before and after the segment of code then
do a 'minus' to get the time consumed?

like:

A=get_system_time();

*************************
the segment of code
*************************
B=get_system_time();

Then B-A is the time I am looking for.

Thanks

Qiyue Lu
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