[PATCH] D77144: [NFC] Remove waymarking because it improves performances

[Jay Foad via Phabricator via llvm-commits]

foad added a comment.

In D77144#1953469 <https://reviews.llvm.org/D77144#1953469>, @nikic wrote:

> [...] at the time it was introduced, waymarking was a 2.5% compile-time regression, but saved 12% memory on some large C++ workloads. We're clearly not seeing anything close to a 12% memory regression here, but it's not clear whether that's because memory usage characteristics in LLVM changed significantly over the last 12 years (which doesn't seem unplausible) [...]


Can we easily collect statistics on how much memory is allocated for what kind of objects? E.g. how much of the peak usage is Uses, how much is Instructions, how much is BasicBlocks and so on?


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https://reviews.llvm.org/D77144