All about memory allocators

jemalloc

1. Stand-alone jemalloc for linux
2. jemalloc Vs ptmalloc performance
3. A Scalable Concurrent malloc(3) Implementation for FreeBSD

tcmalloc

1. tcmalloc

hoard

1. A Scalable Memory Allocator for Multithreaded Applications
   

Slab

1. Memcached Slab Allocator

phkmalloc

1. FreeBSDs older default malloc before 7.0

References

1. A Comparison of Memory Allocators in Multiprocessors