On Fri, 2016-02-26 at 08:31 -0600, Ranjan Maitra wrote: > Hi, > > Disclaimer: This is clearly marked OT, with the only connection to > this group being the fact that I am running F23 on a 20-core Dell > T5810 @3.1 GHz each and 64 GiB memory. My OT queries over the past 13 > years (almost) here have elicited great wealth of information so I am > posing here. > > So, I am trying to compare two kinds of methods in a C program. Both > are written as efficiently as possible (assumed because no point > otherwise). I would like to know which of these is more efficient. I > have been using get_rusage but I was wondering whether there is a > better way? I don't claim to be an expert but at first glance I wonder if you've defined what you mean by efficiency. Execution time? Program size? Memory locality (affects virtual memory performance) etc. You might want to read some of the extensive literature on benchmarking. > Separately, is there a way to get the number of floating point > instructions in C? Both FLOPS and MIPS? Instructions executed on every code path? On the most likely code path? Remember: MIPS = Meaningless Indicator of the Performance of Systems. poc -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org
