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  1. JDK
  2. JDK-8233300

Safepoint-aware array copy

    Details

    • Type: Enhancement
    • Status: Open
    • Priority: P4
    • Resolution: Unresolved
    • Affects Version/s: 14
    • Fix Version/s: tbd
    • Component/s: hotspot
    • Labels:
    • Subcomponent:
      gc

      Description

      A Java thread that copies a large array can severely affect Time-To-Safepoint negatively. The intrinsics for System.arraycopy (and friends) should periodically do safepoint polls to allow safepoints to happen while the copying is in progress.

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            • Assignee:
              neliasso Nils Eliasson
              Reporter:
              pliden Per Liden
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              • Created:
                Updated: