Performance impact of decommissioning arrayStorageProperties to legacy code.

Sergey Kuksenko sergey.kuksenko at
Sun Jun 7 23:19:19 UTC 2020

It's open question if MSB of array length could help.

If look into old cheme (bit's in array klass prts) - It brought more 
performance issues - we need masking when need to goto klass. The same 
will be with length. We should mask it when we need length.

On 6/6/20 12:44 AM, Florian Weimer wrote:
> * Sergey Kuksenko:
>>       By the way: We don't have CMS anymore. Biased locking is going away. Markword became simpler. Could we find a one bit in markwork to mark inline type object?
> What about the MSB of the array length?  Is that already used for
> anything?

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