ruby--ruby/benchmark/bm_vm2_poly_singleton.rb at 3bc92b8eac9e507797140ca9db1df98d3995dc75 - kotovalexarian-likes-github/ruby--ruby - Forgejo by Causa Arcana

kotovalexarian-likes-github/ruby--ruby

mirror of https://github.com/ruby/ruby.git synced 2022-11-09 12:17:21 -05:00

tenderlove c4c53310c2 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

2016-09-12 15:40:09 +00:00

14 lines

200 B

Ruby

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 class C1
   def m; 1; end
 end
 o1 = C1.new
 o2 = C1.new
 o2.singleton_class
 i = 0
 while i<6_000_000 # benchmark loop 2
   o = (i % 2 == 0) ? o1 : o2
   o.m; o.m; o.m; o.m; o.m; o.m; o.m; o.m
   i += 1
 end