add NEWS about cache improvement [ci skip]

This commit is contained in:
卜部昌平 2019-12-22 11:40:07 +09:00
parent efd4a11ada
commit ced4c5dace

4
NEWS
View File

@ -729,3 +729,7 @@ RubyVM::InstructionSequence::
* Support built-in methods in Ruby with `__builtin_` syntax. [Feature #16254]
Some methods are defined in *.rb (such as trace_point.rb).
For example, it is easy to define a method which accepts keyword arguments.
* Per-call-site method cache, which has been there since around 1.9, was
improved: cache hit rate raised from 89% to 94%.
https://github.com/ruby/ruby/pull/2583