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Concurrent indexing refinement - release the slot while blocked and waiting #260

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Concurrent indexing refinement - release the slot while blocked and waiting #260

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6 changes: 5 additions & 1 deletion include/nanoflann.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1278,9 +1278,13 @@ class KDTreeBaseClass

if (right_future.valid())
{
// While this thread is blocked and waiting for the
// concurrent right sub-tree, allow for an additional
// worker thread elsewhere.
--thread_count;

// Block and wait for concurrent right sub-tree
node->child2 = right_future.get();
--thread_count;
}
else
{
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