== Quote from Simen kjaeraas ([email protected])'s article > %u <[email protected]> wrote: > > How gc unfriendly is an union of objects and sizet_t? > > > > union{ > > size_t arr[10]; > > Class obj[10]; > > } > All elements of this union will be considered pointers by the GC. The object will always occupy a continuous obj[0..x], is there some way to explain this to the GC?
> > And, if multiple arrays contain exclusively the same objects, is it then > > safe/useful to mark all but the smallest array with gc.hasNoPointers? > > Any object removal/addition happens simultaneous across all the arrays. > As long as there is at least one GC registered pointer to the allocated > objects, it will not be collected. Hence, if some arrays are permutations > or subsets of another array, only the original array need to be marked as > having pointers. Thanks :) The GC will probably really like this as one of the arrays is cubed the size of the smallest one :D
