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When T in HashTable<T> has a potentially slow equality check, it can be very profitable to check for a matching hash before full equality. This patch adds may_have_slow_equality_check() to AK::Traits and defaults it to true. For trivial types (pointers, integers, etc) we default it to false. This means we skip the hash check when the equality check would be a single-CPU-word compare anyway. This synergizes really well with things like HashMap<String, V> where collisions previously meant we may have to churn through multiple O(n) equality checks. |
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| .. | ||
| BlockAllocator.cpp | ||
| BlockAllocator.h | ||
| Cell.cpp | ||
| Cell.h | ||
| CellAllocator.cpp | ||
| CellAllocator.h | ||
| CMakeLists.txt | ||
| ConservativeVector.cpp | ||
| ConservativeVector.h | ||
| DeferGC.h | ||
| ForeignCell.cpp | ||
| ForeignCell.h | ||
| Forward.h | ||
| Function.h | ||
| Heap+Swift.swift | ||
| Heap.cpp | ||
| Heap.h | ||
| HeapBlock.cpp | ||
| HeapBlock.h | ||
| HeapRoot.h | ||
| Internals.h | ||
| NanBoxedValue.h | ||
| Ptr.h | ||
| Root.cpp | ||
| Root.h | ||
| RootHashMap.cpp | ||
| RootHashMap.h | ||
| RootVector.cpp | ||
| RootVector.h | ||
| WeakContainer.cpp | ||
| WeakContainer.h | ||