Hongli Lai wrote:
> I've written patch which makes Ruby's garbage collector copy-on-write 
> friendly. Details can be found on my blog, 
> http://izumi.plan99.net/blog/index.php/category/optimizing-rails/, in 
> the "Making Ruby's garbage collector copy-on-write friendly" series.
> 
> Matz had shown interest in merging the patch into Ruby 1.9. I'm 
> wondering whether that has already been done, and if not, whether I can 
> be of any assistance.

AFAIK, the 1.9 garbage collector has always been COW-friendly.

--
Daniel