Hi,

In message "Re: [ruby-core:41919] Re: Proposal: Bitmap Marking GC"
    on Thu, 5 Jan 2012 23:53:38 +0900, Roger Pack <rogerdpack2 / gmail.com> writes:

|Maybe you could/should make GC collector type user specifiable, to
|avoid the slowdown [this is what REE does I think].

No, REE uses bitmap marking all the time.  Besides that, extra
complexity in GC is not a good idea, especially when we expect bitmap
marking will be the basis for further optimization.

							matz.