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hakozuna (hz3) - A new memory allocator released

✅ Performance competitive with mimalloc/tcmalloc
✅ +28% improvement on multi-threaded remote-free
✅ O(1) free path with PTAG32 metadata lookup

📄 Paper: https://doi.org/10.5281/zenodo.18305953
💻 Code: https://github.com/hakorune/hakozuna

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