Performance Issue?
------------------
Key: JRUBY-2230
URL: http://jira.codehaus.org/browse/JRUBY-2230
Project: JRuby
Issue Type: Bug
Components: Performance
Affects Versions: JRuby 1.1RC2
Environment: Windows 2003, x64
Reporter: Michael Galpin
Attachments: triangle.rb
JRuby underperformed Ruby for a mathematical oriented algorithm. The script is
attached to the bug.
This was running using IBM's J9 JVM:
$ java -version
java version "1.5.0"
Java(TM) 2 Runtime Environment, Standard Edition (build pwi32devifx-20070531a
(SR4 + IY99287 + IY99356 + IY98136))
IBM J9 VM (build 2.3, J2RE 1.5.0 IBM J9 2.3 Windows Server 2003 x86-32
j9vmwi3223ifx-20070525 (JIT enabled)
J9VM - 20070524_12771_lHdSMR
JIT - 20070109_1805ifx1_r8
GC - WASIFIX_2007)
JCL - 20070131
Running the same test with the 64-bit HotSpot JVMs showed JRuby was faster than
Ruby.
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