(2010/11/25 13:01), Yusuke ENDOH wrote:
>   - Your patch is too big.  Could you separate it to some parts?
>     It is hard (for me) to review it.

Shugo, push it to github.

>   - Your patch adds `klass' to stack frame, which may cause
>     big performance degradation.  We should check benchmark
>     result (though I'm not so concerned).

According to Shugo's presentation performance impact is up to 3% or so, which
is why Ko1 is not against it.  It is almost no slowdown.