[foreign-memaccess+abi] RFR: Add benchmarks to MemorySegmentVsBits

[Paul Sandoz]

On Tue, 3 Jan 2023 11:34:31 GMT, Per Minborg <pminborg at openjdk.org> wrote:

> Looks good. It seems like the memory segment implementation breaks even at size = 16? On top of my head I can't explain why the plain var handle (`byteVarHandle`) is so much faster than anything else. 1but perhaps the benchmark is flawed there?

I think we need to look at the generated assembler code to get some more clues as to why.

Paul.

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PR: https://git.openjdk.org/panama-foreign/pull/762