The clock monotonic clock in particular is the best to use for this.
Wall clock time c stack overflow.
The only one in ansi c is time which typically only has 1 second resolution.
To get consistent results you have to work around cpu frequency scaling including intel turbo or the amd equivalent which lets your cpu clock higher when thermal power limits allow.
Great visual learning clock time resource.
Perfect educational tool for homeschool classroom teachers and parents.
Profiling with performance counters can give you measurements in core clock cycles and also details about whether a bottleneck is.
I m trying to measure some activity in c matrix multiplying and noticed that i should do something like this.
However as you ve said you re using posix that means you can use clock gettime defined in time h.
Void start mytestfunc initialize the test star.
Clock t end clock.
If you want to know the wall clock execution time you need to use an appropriate function.
Real time is elapsed time which is usually the difference between wall clock times but not always.
Double elapsed time end stack overflow.
Telling time teaching clock kids room playroom décor analog silent wall clock.