On 11/25/2015 12:39 PM, Peter Levart wrote: > What do you think? It's very problematic. First off, collection often clears the young generation altogether, promoting everything. Secondly, I think we are already short of header bits in some cases. Thirdly, this requires all collectors to be changed. Fourthy, some collectors don't use multiple generations: they can just allow a dense prefix to pile up at the left-hand end of the heap which they don't bother to collect. Etc, etc...
Andrew.
