[llvm-dev] RFC: EfficiencySanitizer

[Qin Zhao via llvm-dev]

>
>
> 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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