I thought the efforts were to be focused on getting jemalloc optimized with their concepts of arenas and NUMA affinity and thread ware allocations?
— Leif > On Dec 6, 2018, at 15:02, Walt Karas <wka...@oath.com.invalid> wrote: > > Would it be desirable for ATS to use this (cleaner) version of free lists? > > https://github.com/ywkaras/MiscRepo/blob/master/Dynamic_obj/example.cc > > https://github.com/ywkaras/MiscRepo/blob/master/Dynamic_obj/Dynamic_obj.h > > The advantage is faster allocation/deallocation for small objects with > short lifetimes. The disadvantage is we could reach heap exhaustion > more easily, as the free lists are reserving free memory for > allocation of a particular size (and where the size is a constexpr). > > We would probably want to use conditional compilation for force > Large_threshold to 0 for FSAN builds and maybe debug builds also.
