Comment on GCC and C vs C++ Speed, MeasuredparentComments−lolcraft13yThe best time measured is the time of execution with least switching to other processes. So, it's actually the closest to the real time.−fulafel13yNo, there are other things which affect timing besides switching to other processes. For example, virt:physical mapping of the process memory affects cache performance unpredictably, see http://d3s.mff.cuni.cz/publications/download/hocko-sipew10.p...−fulafel13yNo, there are other things which affect timing besides switching to other processes. For example, virt:physical mapping of the process memory affects cache performance unpredictably.
Comments
The best time measured is the time of execution with least switching to other processes. So, it's actually the closest to the real time.
No, there are other things which affect timing besides switching to other processes. For example, virt:physical mapping of the process memory affects cache performance unpredictably, see http://d3s.mff.cuni.cz/publications/download/hocko-sipew10.p...
No, there are other things which affect timing besides switching to other processes. For example, virt:physical mapping of the process memory affects cache performance unpredictably.