JRuby 1.1 Finalized

By Darryl K. Taft  |  Posted 2008-04-09 Print this article Print

Key features include improved memory consumption and refactored I/O implementation.

The JRuby community, sponsored by Sun Microsystems, is releasing JRuby 1.1, a new version of the implementation of Ruby that runs on the Java Virtual Machine.

Charles Nutter, co-lead of the JRuby project and a Sun engineer, said in a blog post that the community launched JRuby 1.1 April 5. Coming up later, he said, is work on JRuby 1.1.1 and JRuby 1.2/2.0.

"JRuby 1.1 represents a concerted focus on speed and refinement," said Thomas Enebo, another co-lead of the JRuby project and also a Sun engineer. "Ruby code can completely compile in an Ahead of Time [AOT] or Just in Time [JIT] mode; yielding a faster Ruby! It also uses less memory than our previous releases."

Major features in JRuby 1.1 include compilation of Ruby to Java bytecode (in AOT and JIT modes), an Oniguruma port to Java-Oniguruma is a regular expression library for Ruby-refactored I/O implementation, improved memory consumption and thousands of compatibility fixes, Sun officials said.

The version released is JRuby 1.1 release candidate 3, which is the third and final release candidate of JRuby 1.1, Enebo said.

Darryl K. Taft covers the development tools and developer-related issues beat from his office in Baltimore. He has more than 10 years of experience in the business and is always looking for the next scoop. Taft is a member of the Association for Computing Machinery (ACM) and was named 'one of the most active middleware reporters in the world' by The Middleware Co. He also has his own card in the 'Who's Who in Enterprise Java' deck.

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