mimalloc: High-performance memory allocator

Microsoft Research releases mimalloc, an open-source, high-performance memory allocator designed as a drop-in replacement for malloc/free with bounded worst-case allocation times and low overhead.

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1. ReleaseMay 13, 2026, 05:19 PM 80%

   Microsoft Research releases mimalloc, a modern, scalable memory allocator with bounded worst-case times and low overhead

   Microsoft Research releases mimalloc, an open-source, high-performance memory allocator designed as a drop-in replacement for malloc/free with bounded worst-case allocation times and low overhead.

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