What problem does solve? Does it make things faster? — Leif
> On Dec 7, 2018, at 09:27, Walt Karas <wka...@oath.com.invalid> wrote: > > This doesn't conflict with those efforts, and is much easier to do. >> On Thu, Dec 6, 2018 at 6:56 PM Leif Hedstrom <zw...@apache.org> wrote: >> >> 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. >>
