Scalable memory allocator experiences

Question

I am currently evaluating a few of scalable memory allocators, namely nedmalloc and ptmalloc (both built on top of dlmalloc), as a replacement for default malloc / new becau

Answer 1

If you are on Win32 my experience has been that it's hard to beat the regular Windows heap manager provided you enable Low Fragmentation Heap using the HeapSetInformation API. I believe this is now standard on newer versions of Windows. It handles locking using Interlocked* Win32 primitives rather than more simple Mutex/CritSec locking.