[llvm-dev] RFC: EfficiencySanitizer working set tool

Derek Bruening via llvm-dev llvm-dev at lists.llvm.org
Wed Apr 20 10:40:45 PDT 2016

On Wed, Apr 20, 2016 at 1:08 PM, Filipe Cabecinhas <filcab at gmail.com> wrote:

> My comment is related to Alexander's.
> I see you haven't yet implemented this, but I would guess that having
> 1 byte per cache-line (instead of 1 bit) would be much better (read:
> faster)

We did consider that, as generally byte-level is superior, and it could
even be compacted later at snapshot time into per-bit, but we like the
shifting idea that fits multiple at once.
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