Slightly off topic, but is there a good (i.e., fast and easy to use) modern retargetable GC for language prototyping/implementation? I've been looking for something like this for a while, but it seems everyone rolls their own.
> <i>GC scanning and marking phase is 10-20% faster for programs with large number of small objects.</i><p>Which is most programs. Hurray, changes in good direction.