5 ms·
A few more links for low level CPU benchmarking 1 - https://www.uops.info/index.html https://www.uops.info/index.html similar content to Anger's tables 2 - ht
by rft 1y ago
A few more links for low level CPU benchmarking
1 - https://www.uops.info/index.html https://www.uops.info/index.html similar content to Anger's tables
2 - https://reflexive.space/zen2-ibs/ https://reflexive.space/zen2-ibs/ how to capture per micro op data on AMD >= Zen 1 CPUs
I agree on "it depends". And usually not only on your actual code and data, but also how you arrange it over cache lines, what other code on the same core/complex/system is doing to your view of the cache and some other internal CPU features like prefetchers or branch predictors.