这些cpp会议录像都是讲 优化/性能的

Timur Doumler: C++ Performance in Practice: Align, Vectorise, Cache, Jump!

CppCon 2014: Andrei Alexandrescu “Optimization Tips - Mo’ Hustle Mo’ Problems”

CppCon 2016: Christiaan Pretorius “Cache Optimized Hash Tables”

Understanding Compiler Optimization - Chandler Carruth - Opening Keynote Meeting C++ 2015

https://meetingcpp.com/files/mcpp/2015/talks/meetingcxx_2015-understanding_compiler_optimization_themed_copy.pdf