RFR: 8350852: Implement JMH benchmark for sparse CodeCache

[dean.long at oracle.com]

On 3/6/25 2:33 PM, Evgeny Astigeevich wrote:

> On Neoverse:https://community.arm.com/arm-community-blogs/b/architectures-and-processors-blog/posts/neoverse-v1-platform-a-new-performance-tier-for-arm:


On Neoverse, what's the size of a region, and why must it split the code 
into separate regions at all?

dl