Mimalloc: Free List Sharding in Action - Microsoft Research
Modern memory allocators have to balance many simultaneous demands, including performance, security, the presence of concurrency, and application-specific demands depending on the context of their use. One increasing use-case for allocators is as back-end implementations of languages, such as Swift and Python, that use reference counting to automatically deallocate objects. We present mimalloc, a
GitHub - microsoft/snmalloc: Message passing based allocator
snmalloc is a high-performance allocator. snmalloc can be used directly in a project as a header-only C++ library, it can be LD_PRELOADed on Elf platforms (e.g. Linux, BSD), and there is a crate to use it from Rust. Its key design features are: Memory that is freed by the same thread that allocated it does not require any synchronising operations. Freeing memory in a different thread to initially
GitHub - microsoft/mimalloc: mimalloc is a compact general purpose allocator with excellent performance.
It also includes a robust way to override the default allocator in Windows. Notable aspects of the design include: small and consistent: the library is about 8k LOC using simple and consistent data structures. This makes it very suitable to integrate and adapt in other projects. For runtime systems it provides hooks for a monotonic heartbeat and deferred freeing (for bounded worst-case times with
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