RFR: 8269685: Optimize HeapHprofBinWriter implementation [v5]

[Serguei Spitsyn]

On Tue, 24 Aug 2021 12:33:27 GMT, Lin Zang <lzang at openjdk.org> wrote:

> Hi Serguei,
> I update the PR to make the `calculateGlobalJNIHandlesDumpRecordSize()` method abstract.
> For other empty ones that already there in original implementation, I will leave them as they are. do you think it is OK?
> 
> BRs,
> Lin

Hi Lin,
Yes, I'm okay with that.
Thanks,
Serguei

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PR: https://git.openjdk.java.net/jdk/pull/4666