Emilio G. Cota <c...@braap.org> writes: > On Tue, Aug 02, 2016 at 18:27:44 +0100, Alex Bennée wrote: >> Under times of high memory stress the additional small mallocs by a >> linked list are source of potential memory fragmentation. As we have >> worked hard to avoid mallocs elsewhere when queuing work we might as >> well do the same for the list. We convert the lists to a auto-resizeing >> GArray which will re-size in steps of powers of 2. > > Would be nice to see numbers on how this compares to simply using > tcmalloc/jemalloc (or the glibc allocator, really).
glib just uses the glibc malloc/realloc underneath so it is all the same allocator just a different usage pattern. I was trying to find a decent way to measure the allocation usage and fragmentation other than watching the differential in htop's memory usage display with the two methods. Any ideas/suggestions? > > Thanks, > > Emilio -- Alex Bennée
