Unverified50% confidenceFactExact time
tcache maintains a free list of small objects within each thread, making the vast majority of allocation and deallocation operations completely lock-free, with cross-thread synchronization triggered only when the tcache is exhausted or memory needs to be returned to an arena.
1
Sources
50%
Confidence
Long-term
Relevance
9/18/2026
First Seen
Sources
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