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author卜部昌平 <shyouhei@ruby-lang.org>2019-12-22 11:40:07 +0900
committer卜部昌平 <shyouhei@ruby-lang.org>2019-12-22 11:55:12 +0900
commitced4c5dace63dcb5aabe4d9c480e02e7581b8816 (patch)
tree7b8530f90cbeeccc4247bff537bd7a5487879886 /NEWS
parentefd4a11ada731ce18f5eb1500c76f77b4d0f313f (diff)
add NEWS about cache improvement [ci skip]
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@@ -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