On Tue, Aug 24, 2010 at 11:43 AM, Kevin Tew <t...@cs.utah.edu> wrote: > After a garbage collection all non-nursery memory is write-protected. > The first write to a page (16kB) , after a garbage collection, incurs the > cost of unprotecting the page so it is writable and recording that the page > has been written on. > All subsequent mutations to objects in a unprotected page do not have a > write barrier cost, until the next garbage collection run.
Does this means that the GC treats every object in a mutated page as potentially pointing to the nursery? That seems like a very coarse approximation of the remembered set, but it might be worth it to get the OS to do your write barrier for you. -- sam th sa...@ccs.neu.edu _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/dev
