Avoid an unnecessary node0 to node4 transition

2024-03-12 11:44:58 -07:00
parent 71e117965e
commit 1496aa106b
1 changed files with 2 additions and 1 deletions
--- a/ConflictSet.cpp
+++ b/ConflictSet.cpp
@@ -1729,7 +1729,8 @@ template <bool kBegin>
        auto *old = *self;
        int64_t oldMaxVersion = maxVersion(old, impl);

-        *self = allocators->node0.allocate(partialKeyIndex);
+        // *self will have one child
+        *self = allocators->node4.allocate(partialKeyIndex);

        memcpy((char *)*self + kNodeCopyBegin, (char *)old + kNodeCopyBegin,
               kNodeCopySize);