How did AMD Ryzen get 50% faster in two years?(lemire.me)
466 points by ibobev | 190 comments
Daniel Lemire blog post examining how AMD Ryzen processors became about 50% faster over two years.
#microarchitecture on Hacker News
3 stories tagged microarchitecture, newest first.
Assembly Hall of Shame(github.com)
403 points by piotrgrabowski | 99 comments
GitHub repository by xoreaxeaxeax collecting x86 assembly instructions and code patterns that perform pathologically slowly, such as clflush, cpuid, denormals and fdiv.
Branch Privilege Injection: Exploiting branch predictor race conditions(comsec.ethz.ch)
397 points by alberto-m | 177 comments
ETH Zurich COMSEC research page on Branch Privilege Injection, a class of Intel CPU vulnerabilities exploiting branch predictor race conditions to leak privileged memory.