Unverified50% confidenceFactExact time

The ptmalloc2 used by glibc derives from Doug Lea's dlmalloc and employs an arena mechanism to maintain independent memory pools per thread in order to reduce multi-threaded lock contention.

1

Sources

50%

Confidence

Long-term

Relevance

8/30/2026

First Seen

Sources

musl Performance Pitfalls: The Hidden Cost Behind Static Linking

Related Entities

glibcproduct ptmalloc2technology dlmalloctechnology

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UnverifiedAscend C vector programming uses a double-buffering mechanism; through TPipe, a double-buffer pipeline can be conveniently constructed, and setting the queue depth to 2 automatically enables double buffering.53% similar

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