https://git.ruby-lang.org/ruby.git/commit/?id=ced4c5dace

From ced4c5dace63dcb5aabe4d9c480e02e7581b8816 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=8D=9C=E9=83=A8=E6=98=8C=E5=B9=B3?=
 <shyouhei@r...>
Date: Sun, 22 Dec 2019 11:40:07 +0900
Subject: add NEWS about cache improvement [ci skip]


diff --git a/NEWS b/NEWS
index b56875e..cf0afb0 100644
--- a/NEWS
+++ b/NEWS
@@ -729,3 +729,7 @@ RubyVM::InstructionSequence:: https://github.com/ruby/ruby/blob/trunk/NEWS#L729
 * 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
-- 
cgit v0.10.2


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