kapynOpen Source

mimalloc: A new, high-performance, scalable memory allocator for the modern era

mimalloc is a new, high-performance memory allocator designed for modern systems. This drop-in replacement for malloc and free offers bounded allocation times, low overhead, and minimal contention through atomic operations, making it a valuable tool for optimizing AI applications. It's open-source, small, and easy to integrate into existing projects.

Microsoft Research·May 13, 2026

Opening Kapyn…