Really nice write-up from @bmeurer and @mathias of a performance cliff uncovered while working on the React Profiler some time ago:
https://v8.dev/blog/react-cliff …
Hey Brian, do you still have https://github.com/bvaughn/react-profiling-v8-deopt-repro … around somewhere? If not, do you still have the numbers describing how bad this V8 bug was for React? (e.g. was it a slowdown of 10×, 100×, or what) Unfortunately I removed my local clone after investigating :(
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Hey Mathias. I'm surprised to see that I can't find the repo either. GitHub shows me as having 0 private repositories, which is unexpected.
Unfortunately I don't have a local copy of this either because the MacBook Pro I was using needed to be replaced. -
cc
@trueadm@dan_abramov Either of you have a copy by chance? - 1 more reply
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