PS: Add prefetch before copy in PSPromotionManager::copy_unmarked_to_survivor_space

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    • Type: Enhancement
    • Resolution: Unresolved
    • Priority: P4
    • tbd
    • Affects Version/s: 18
    • Component/s: hotspot
    • gc

      We've found that it improve specjbb(especially critical) a lot by add prefetch before copy in PSPromotionManager::copy_unmarked_to_survivor_space.

            Assignee:
            Hamlin Li
            Reporter:
            Hamlin Li
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              Created:
              Updated: