SASADA Koichi <ko1 / atdot.net> wrote:
> From Ruby 2.0, we use inline/global method cache aggressively. So
> performance impact on method cache miss has huge impact (compare with
> Ruby 1.8, 1.9), that guys already show.

Not a serious patch or benchmark, but I don't think it's too bad without
global method cache (inline cache enabled).

OPT_GLOBAL_METHOD_CACHE did not disable write to method cache,
 only writes before

http://bogomips.org/ruby.git/patch/?id=a899e54e6abc13b8816e6c5f69ff560918db4be1

git://80x24.org/ruby nomethodcache

I'll rerun the test later tonight when my machine is quieter.