8GByte compressed pointer mode

[Erik Corry]

There's an 8GB mode for compressed pointers.  Is it in use by anybody?

Another option where the utility is unclear is the single generation mode. What is this for?

I think there would be a benefit to removing code that is not in use.  V8 is hard to read with all the different ways to compile it.

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Erik Corry

[Omer Katz (chromium.org)]

I support getting rid of dead code and simplifying the code base, but these 2 features are likely not the right target for it yet.

Single generation mode is mostly being used for development, debugging and evaluations.

It's not used anywhere in production as far as I know, but we shouldn't remove it in my opinion. 

I'm not aware of current usages of the 8GB mode, but I think it's still being considered as an option for the future, so we should keep it around as well.

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[Erik Corry]

Do these modes get regularly tested?

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[Omer Katz (chromium.org)]

Single generation mode is regularly tested.

8GB cage I believe is not regularly tested.

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