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LibJS: Make WeakContainer pruning do less work

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Instead of iterating *all* swept cells when pruning weak containers,
only iterate the cells actually *in* the container.

Also, instead of compiling a list of all swept cells, we can simply
check the Cell::state() flag to know if something should be pruned.
This commit is contained in:
Andreas Kling 2021-10-05 18:44:31 +02:00
parent 19fc225b45
commit 83bd675477
10 changed files with 39 additions and 35 deletions
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Userland/Libraries/LibJS/Runtime/WeakRef.h
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@ -27,7 +27,7 @@ public:
void update_execution_generation() { m_last_execution_generation = vm().execution_generation(); };
virtual void remove_swept_cells(Badge<Heap>, Span<Cell*>) override;
virtual void remove_dead_cells(Badge<Heap>) override;
private:
virtual void visit_edges(Visitor&) override;