memory allocation

malloc was written by Doug Mcllroy Hoard Lockless Allocator Memory Pool System Boehm-Demers-Weiser TLSF http://www.gii.upv.es/tlsf/ nedmalloc http://www.nedprod.com/programs/portable/nedmalloc/ jemalloc http://www.canonware.com/jemalloc/ dlmalloc, ptmalloc TCMalloc http://goog-perftools.sourceforge.net/doc/tcmalloc.html mimalloc https://github.com/microsoft/mimalloc

Memory Pool System Boehm-Demers-Weiser

CPython + glibc malloc may leak memory as malloc uses sbrk for small blocks and CPython does not perform compaction. Switch to jemalloc.

Perceus: Garbage Free Reference Counting with Reuse

• functional but in-place (FBIP) allows writing mutating algorithms in a purely functional way