[Webkit-unassigned] [Bug 141247] REGRESSION (bmalloc): WebKit performance tests don't report memory stats

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=141247

--- Comment #2 from Geoffrey Garen <ggaren at apple.com> ---
It's not clear if we will ever get back to the precise reporting TCMalloc had; some of that reporting relied on expensive metadata that cause throughput and/or memory use problems.

For example, TCMalloc could only do accurate reporting of committed vs uncommitted memory because it would synchronously over-commit huge swaths of memory, and synchronously commit or decommit when merging ranges, or refuse to merge ranges.

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