RFR: 8308231: Faster MemAllocator::Allocation checks for verify/notification [v3]

[Albert Mingkun Yang]

On Tue, 23 May 2023 08:42:43 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> the overheads of the actual calls

I was expecting the same perf, since the compiler can see everything in this scope.

After hiding checks from the this level, I see the same number of `call` instructions in `MemAllocator::allocate`, where everything is inlined into. Ofc, still needs full perf-eval.

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PR Review Comment: https://git.openjdk.org/jdk/pull/14019#discussion_r1201929901