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MMTk 0.14.0

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@qinsoon qinsoon released this 08 Aug 23:07
· 308 commits to master since this release
v0.14.0
a96e8f9
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API

  • ProcessEdgesWork is no longer exposed in the Scanning trait. Instead, RootsWorkFactory is introduced
    for the bindings to create more work packets.
  • Collection::stop_all_mutators() now provides a callback mutator_visitor. The implementation is required
    to call mutator_visitor for each mutator once it is stopped. This requirement was implicit prior to this change.
  • Now MMTk creation is done in the builder pattern:
    • MMTKBuilder is introduced. Command line argument processing API (process() and process_bulk()) now
      takes &MMTKBuilder as an argument instead of &MMTK.
    • gc_init() is renamed to mmtk_init(). mmtk_init() now takes &MMTKBuilder as an argument,
      and returns an MMTk instance Box<MMTK>.
    • heap_size (which used to be an argument for gc_init()) is now an MMTk option.
    • All the options now can be set through the command line argument processing API.
  • Node enqueuing is supported:
    • Add Scanning::support_edge_enqueuing(). A binding may return false if they cannot do edge scanning for certain objects.
    • For objects that cannot be enqueued as edges, Scanning::scan_object_and_trace_edges() will be called.

Scheduler

  • Fixed a bug that may cause deadlock when GC workers are parked and the coordinator is still executing work.

Misc

  • Plan::gc_init() and Space::init() are removed. Initialization is now properly done in the respective constructors.
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