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MMTk 0.12.0

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@qinsoon qinsoon released this 17 May 00:05
· 331 commits to master since this release
v0.12.0
e027342
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Learn about vigilant mode.

GC Plans

  • Introduced trait PlanTraceObject and procedural macros to derive implementation for it for all the current plans.
  • Introduced a work packet type PlanProcessEdges that uses PlanTraceObject. All the current plans use this type for tracing objects.

Policy

  • Introduced trait PolicyTraceObject. Added an implementation for each policy.

API

  • Preliminary support for Java-style weak reference is added (set the option no_reference_types=false to enable it). Related APIs are slightly changed.
  • The type parameter TransitiveClosure in Scanning::scan_object()/scan_objects() is now replaced with vm::EdgeVisitor.
  • Minor changes to Scanning::scan_object()/scan_objects() so they are more consistent.

Misc

  • Fixed a bug in object forwarding: an object can leave the being-forwarded state without actually being forwarded, and this
    now won't cause a panic.
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