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Aug 19, 2022 · Fundamentals

In‑Depth Analysis of dlmalloc, jemalloc, Scudo, and PartitionAlloc for Virtual‑Machine Memory Management

This article examines the design goals, key implementation details, strengths and weaknesses of four widely used memory allocators—dlmalloc, jemalloc, Scudo, and PartitionAlloc—highlighting how they address fragmentation, performance, and security in virtual‑machine runtimes and offering guidance for building efficient, safe allocators.