G1: use larger and/or user settable region size

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    • Type: Enhancement
    • Resolution: Fixed
    • Priority: P3
    • hs17
    • Affects Version/s: hs15
    • Component/s: hotspot
    • gc
    • b01
    • generic
    • generic

        Using the same region size for small 32-bit JVMs, as well as large 64-bit JVMs, might not be appropriate. We should at least set the region size depending on the build (say: smaller for 32-bit client, small for 32-bit server, and larger for 64-bit server, for some definition of smaller, small, and larger). Ideally, we should experiment with how expensive it is to replace the region size constant with a variable which can either be set ergonomically (depending on heap size), as well as be user-settable.

              Assignee:
              Tony Printezis
              Reporter:
              Tony Printezis
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