[llvm-dev] RFC: EfficiencySanitizer
Qin Zhao via llvm-dev
llvm-dev at lists.llvm.org
Wed Apr 20 14:29:30 PDT 2016
> Given that you're going to store metadata for 4-64 cache lines of user
> memory in a single shadow memory cache line, do you anticipate
> additional slowdown related to false sharing of shadow memory in
> multithreaded applications? Any plans to deal with that?
The optimization of check-before-write would avoid most writes and so
alleviate the false sharing problem.
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