https://community.intel.com/t5/Software-Archive/Cache-Misses/m-p/988274#M27693 <P>Is there any way to get the number of cache misses in my program without using vtune?</P> <P>Maybe a compiler option like -profile-something .. ?</P> Sat, 12 Jan 2013 00:29:09 GMT ale3 2013-01-12T00:29:09Z https://community.intel.com/t5/Software-Archive/Cache-Misses/m-p/988274#M27693 <P>Is there any way to get the number of cache misses in my program without using vtune?</P> <P>Maybe a compiler option like -profile-something .. ?</P> Sat, 12 Jan 2013 00:29:09 GMT https://community.intel.com/t5/Software-Archive/Cache-Misses/m-p/988274#M27693 ale3 2013-01-12T00:29:09Z https://community.intel.com/t5/Software-Archive/Cache-Misses/m-p/988275#M27694 <P>Well, if you can find something to program the PMU counters (I don't have one - used SEP while it was being distributed), then the&nbsp;&nbsp;_rdpmc intrinsic&nbsp;will&nbsp;let you programmatically query them (recall that only two counters can be active at once in KNC).&nbsp; Note that while we can get decent L1 hit data for KNC, there is no reliable way to get L2 hit data.&nbsp; See <A href="http://software.intel.com/en-us/articles/optimization-and-performance-tuning-for-intel-xeon-phi-coprocessors-part-2-understanding">http://software.intel.com/en-us/articles/optimization-and-performance-tuning-for-intel-xeon-phi-coprocessors-part-2-understanding</A>&nbsp;for more information.</P> <P>Cheers,</P> <P>Charles</P> Tue, 15 Jan 2013 22:07:12 GMT https://community.intel.com/t5/Software-Archive/Cache-Misses/m-p/988275#M27694 Charles_C_Intel1 2013-01-15T22:07:12Z