define_method methods do not JIT and are generally slower unless the code that
contains them is compiled before they are defined
--------------------------------------------------------------------------------------------------------------------------------
Key: JRUBY-1852
URL: http://jira.codehaus.org/browse/JRUBY-1852
Project: JRuby
Issue Type: Bug
Reporter: Charles Oliver Nutter
Assignee: Charles Oliver Nutter
Fix For: JRuby 1.1
{noformat}
~/NetBeansProjects/jruby $ jruby -J-server -e "load
'test/bench/bench_define_method_methods.rb'"
define_method(:foo) {}, 100k * 100 invocations
5.028000 0.000000 5.028000 ( 4.936000)
4.542000 0.000000 4.542000 ( 4.541000)
4.541000 0.000000 4.541000 ( 4.541000)
4.534000 0.000000 4.534000 ( 4.534000)
4.377000 0.000000 4.377000 ( 4.376000)
~/NetBeansProjects/jruby $ jruby -J-server +C -e "load
'test/bench/bench_define_method_methods.rb'"
define_method(:foo) {}, 100k * 100 invocations
4.273000 0.000000 4.273000 ( 4.185000)
3.750000 0.000000 3.750000 ( 3.751000)
3.403000 0.000000 3.403000 ( 3.404000)
3.453000 0.000000 3.453000 ( 3.453000)
3.358000 0.000000 3.358000 ( 3.358000)
{noformat}
Could be a source of Rails bottlenecks.
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