Comments on: JRuby “include?” 2x faster than 1.8.6? http://blog.hungrymachine.com/2009/07/07/jruby-include-2x-faster-than-1-8-6/ The guys behind LivingSocial Tue, 17 Aug 2010 11:04:25 -0400 http://wordpress.org/?v=2.9.2 hourly 1 By: Murad Juraev http://blog.hungrymachine.com/2009/07/07/jruby-include-2x-faster-than-1-8-6/comment-page-1/#comment-292 Murad Juraev Fri, 17 Jul 2009 12:43:07 +0000 http://blog.hungrymachine.com/?p=2920#comment-292 Thanks for these micro-benchmarks. Good food for thoughts. My results on Mac OS X 10.5.7 20" iMac 2008: ruby 1.8.6 (2008-08-11 patchlevel 287) [universal-darwin9.0] 7.240000 0.320000 7.560000 ( 8.172765) ruby 1.9.1p129 (2009-05-12 revision 23412) [i386-darwin9] 6.350000 0.260000 6.610000 ( 7.322796) jruby 1.3.1 (ruby 1.8.6p287) (2009-07-17 6586) (Java HotSpot(TM) 64-Bit Server VM 1.6.0_13) [x86_64-java] 4.781000 0.000000 4.781000 ( 4.610000) MacRuby version 0.4 (ruby 1.9.1) [universal-darwin9.5, x86_64] 2.320000 0.110000 2.430000 ( 2.703221) Thanks for these micro-benchmarks. Good food for thoughts. My results on Mac OS X 10.5.7 20″ iMac 2008:

ruby 1.8.6 (2008-08-11 patchlevel 287) [universal-darwin9.0]
7.240000 0.320000 7.560000 ( 8.172765)

ruby 1.9.1p129 (2009-05-12 revision 23412) [i386-darwin9]
6.350000 0.260000 6.610000 ( 7.322796)

jruby 1.3.1 (ruby 1.8.6p287) (2009-07-17 6586) (Java HotSpot(TM) 64-Bit Server VM 1.6.0_13) [x86_64-java]
4.781000 0.000000 4.781000 ( 4.610000)

MacRuby version 0.4 (ruby 1.9.1) [universal-darwin9.5, x86_64]
2.320000 0.110000 2.430000 ( 2.703221)

]]> By: dmilith http://blog.hungrymachine.com/2009/07/07/jruby-include-2x-faster-than-1-8-6/comment-page-1/#comment-284 dmilith Wed, 08 Jul 2009 10:18:05 +0000 http://blog.hungrymachine.com/?p=2920#comment-284 First of all. God damnit. You at least missed: 1. --server (for jruby) 1a. -fast ? (for jruby) 2. give version of java 3. give version of ruby 4. read point 1 once again. 5. microbenchmarks sucks? First of all. God damnit. You at least missed:
1. –server (for jruby)
1a. -fast ? (for jruby)
2. give version of java
3. give version of ruby
4. read point 1 once again.
5. microbenchmarks sucks?

]]> By: Ikai Lan http://blog.hungrymachine.com/2009/07/07/jruby-include-2x-faster-than-1-8-6/comment-page-1/#comment-282 Ikai Lan Tue, 07 Jul 2009 19:40:59 +0000 http://blog.hungrymachine.com/?p=2920#comment-282 Interesting results. For my own knowledge, any insights as to why !(a & [i]).empty? runs twice as fast? Interesting results. For my own knowledge, any insights as to why !(a & [i]).empty? runs twice as fast?

]]>