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authortenderlove <tenderlove@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2016-09-12 15:40:09 +0000
committertenderlove <tenderlove@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2016-09-12 15:40:09 +0000
commit0b54bde47622409ef2e55bd49fd4d7df89ef0cd8 (patch)
treebd9e8449c51bba80d8ba40ddfc042704e417ee25 /ChangeLog
parent4447162dec73f02d3be6b30f0a100eedb6212bc8 (diff)
downloadruby-0b54bde47622409ef2e55bd49fd4d7df89ef0cd8.tar.gz
Copy the serial number from the super class to the singleton class
This helps hit inline method caches more frequently. Before this commit: ``` [aaron@TC ruby (trunk)]$ time ./ruby -v benchmark/bm_vm2_poly_singleton.rb ruby 2.4.0dev (2016-09-12 trunk 56141) [x86_64-darwin15] real 0m3.679s user 0m3.632s sys 0m0.022s ``` After this commit: ``` [aaron@TC ruby (trunk)]$ time ./ruby -v benchmark/bm_vm2_poly_singleton.rb ruby 2.4.0dev (2016-09-12 trunk 56141) [x86_64-darwin15] last_commit=Copy the serial number from the super class to the singleton class real 0m2.246s user 0m2.203s sys 0m0.020s ``` [Feature #12364] [ruby-core:75425] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56144 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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+Tue Sep 13 00:39:47 2016 Aaron Patterson <tenderlove@ruby-lang.org>
+
+ * class.c (singleton_class_of): Copy superclass serial number to
+ singleton class. This improves singleton class IMC hit rates.
+ [Feature #12364] [ruby-core:75425]
+
Mon Sep 12 13:46:23 2016 Anton Davydov <mail@davydovanton.com>
* lib/uri/mailto.rb: Removed needless `return` and use `.`` instead of `::`