InfoQ Homepage Runtimes Content on InfoQ
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RubyKaigi 2008: Standardization, 1.9 Roadmap
News from RubyKaigi2008—the Japanese Ruby conference held at Tsukuba from June 20 through 22—concerning the planned Ruby standardization, the Ruby 1.9 roadmap and a glimpse at upcoming features in future versions of Ruby.
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Article: Do Java 6 threading optimizations actually work? - Part II
In part 2 of "Java 6 threading optimizations" article series, author Jeroen Borgers examines various threading optimizations and JVM arguments to manage them. He also talks about factors like On Stack Replacement (OSR), Heap Management and Lock object data size which could significantly affect the performance of multi-threaded java applications.
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RubyGems Roundup: 1.2 Release, JRuby, Faster Gem Releases
RubyGems 1.2 has been released with improved speed and new features such as development and runtime dependencies, and more. Upcoming versions of JRuby and Ruby 1.9 will ship with this release. Also: Tom Copeland reports changes to Rubyforge promise faster Gem releases.
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Excelsior JET 6.4: Smaller, Faster, More Secure Java
Since the beginning of time Java applications have been battered with complaints about startup time, memory footprint, performance and security. Recently Sun started to address some of the issues by introducing the Consumer JRE. However, Excelsior JET is a product which provides their own spin on solving these problems.
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Ruby interpreter vulnerabilities
A few vulnerabilities were found Ruby 1.8.x and 1.9.x and could potentially allow for DoS attacks or allow attackers to execute arbitrary code. Patched versions of Ruby are already available.
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Article: Do Java 6 threading optimizations actually work?
Features like biased locking, lock coarsening, lock elision by escape analysis and adaptive spin locking are all designed to increase concurrency by allowing more effective sharing amongst application threads. But do they actually work? In this two part article, Jeroen Borgers explores these features and attempt to answer the performance question with the aid of a single threaded benchmark.
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Eclipse Ganymede: An in-depth look at Equinox p2 (Provisioning Platform)
As part of the upcoming Eclipse Ganymede release which is scheduled for June 25th, InfoQ will cover a series of Eclipse subprojects. Today, the subproject is Equinox p2 (Provisioning Platform), which is a framework for provisioning Eclipse-based applications. InfoQ spoke with Jeff McAffer and Pascal Rapicault to learn more about p2 and what it provides.
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Introducing the Ruby Benchmark Suite
Antonio Cangiano started the Ruby Benchmark Suite project, which aims to collect a comprehensive set of benchmarks that users and implementers of Ruby can use to compare different implementations. We talked to Antonio about his plans and he gave us a timeframe for the next Ruby shootout.
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Presentation: Server Side OSGi
In this presentation from QCon San Francisco 2007, Adrian Colyer describes the OSGi specification, OSGi implementations, modularity, versioning, operational control, server-side OSGi, design considerations, using existing libraries, Spring Dynamic Modules, and writing a Spring Dynamic Modules application.
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Interview: Avi Bryant on MagLev and GemStone
Avi Bryant talks about working on MagLev, a Ruby implementation built by GemStone. Avi explains the reasons for MagLev, the merits of GemStone's distributed OODB features, and more
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Ruby VM Roundup: MacRuby 0.2, JRuby JMX, Ruby 1.9
Work on MacRuby has continued, and now version 0.2 is released, continuing its path to tighter Cocoa and Objective-C integration. The JRuby trunk adds JMX MBeans to monitor the JRuby internals, e.g. the JIT. Also: Ruby 1.9.0-2 and API updates are coming up.
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Ruby VM Roundup: IronRuby runs Rails, Ruby 1.8.7 released, Rubinius inlining experiments
Big news just in: John Lam claims IronRuby runs Rails. In other Ruby VM news, the Rubinius team is experimenting with method inlining. Also: Ruby 1.8.7 has been released.
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Releases: JRuby 1.1.2; New Preview of Ruby 1.8.7
JRuby 1.1.2 was released in time for RailsConf - coming with radically faster startup and YAML parsing and many bug fixes. Also: the final Ruby 1.8.7 release approaches. Ruby 1.8.7 preview 4, planned to be the last preview, reinstates the previously removed Symbol#to_proc, and adds Binding#eval, __method__, among some changes in number and date parsing.
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JSR-292 Early Draft Review Announced
The early draft review of JSR-292 has been released. JSR-292 defines the 'invokedynamic' instruction, a bytecode instruction to assist in the implementation of dynamic languages on JVM.
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Rubinius runs Rails, Merb
A major milestone for Rubinius: Rails, ActiveRecord and Merb have successfully been run on Rubinius.