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c++ Programming Glossary: microsec_clockC++ Cross-Platform High-Resolution Timer http://stackoverflow.com/questions/1487695/c-cross-platform-high-resolution-timer been recommended on Stack Overflow before. See its docs on microsec_clock local_time and microsec_clock universal_time but note its caveat.. before. See its docs on microsec_clock local_time and microsec_clock universal_time but note its caveat that Win32 systems often..
std::vector is so much slower than plain arrays? http://stackoverflow.com/questions/3664272/stdvector-is-so-much-slower-than-plain-arrays const std string name name name start boost date_time microsec_clock boost posix_time ptime local_time ~TestTimer using namespace.. std using namespace boost posix_time ptime now date_time microsec_clock posix_time ptime local_time posix_time time_duration d now start..
http://stackoverflow.com/questions/4050901/performance-of-dynamic-cast them. The following code was used ptime firstValue microsec_clock local_time ChildObject castedObject dynamic_cast ChildObject.. dynamic_cast ChildObject parentObject ptime secondValue microsec_clock local_time time_duration diff secondValue firstValue std cout..
On the use and abuse of alloca http://stackoverflow.com/questions/5807612/on-the-use-and-abuse-of-alloca alloc_total for int ii 0 ii test_repeat ii now microsec_clock local_time for int i 0 i times i alloca_test after microsec_clock.. local_time for int i 0 i times i alloca_test after microsec_clock local_time alloc_total after now std cout alloca_time alloc_total.. malloc_total for int ii 0 ii test_repeat ii now microsec_clock local_time for int i 0 i times i malloc_test after microsec_clock..
c++ boost get current time in milliseconds http://stackoverflow.com/questions/6734375/c-boost-get-current-time-in-milliseconds clock you are using. For example to the boost posix_time microsec_clock though this can be OS dependent. On Windows for example boost.. std endl boost posix_time ptime mst1 boost posix_time microsec_clock local_time boost this_thread sleep boost posix_time millisec.. millisec 500 boost posix_time ptime mst2 boost posix_time microsec_clock local_time boost posix_time time_duration msdiff mst2 mst1 std..
Measuring NUMA (Non-Uniform Memory Access). No observable asymmetry. Why? http://stackoverflow.com/questions/7259363/measuring-numa-non-uniform-memory-access-no-observable-asymmetry-why N boost posix_time ptime t1 boost posix_time microsec_clock universal_time char c for size_t i 0 i M i for size_t j 0 j.. j char y j c boost posix_time ptime t2 boost posix_time microsec_clock universal_time std cout Elapsed read write by same thread that.. core boost posix_time ptime t1 boost posix_time microsec_clock universal_time char c for size_t i 0 i M i for size_t j 0 j..
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