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Is Sun offering the new G1 Garbage Collector Only with a Paid Support Contract?
Sun's Garbage First garbage collector (nicknamed G1) has been released with Java Update 1.6.0_14 (6u14). Although this low pause, server style collector has been long awaited by the developer's community, at this point Sun allows production usage only to paying customers and this has raised concerns.
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Ruby Performance Roundup: Ruby 1.9.1 Real World Performance, GC vs EventMachine, Ruby Compiler
When it comes to performance, Ruby 1.9.1 seems to clearly beat it's predecessor, as a new real world benchmark shows. There are other ways, though, to avoid inefficiencies in 1.8.x, by knowing how the GC works or when to disable pthreads. Also: Viktor Hokstad's been busy writing a Ruby compiler from scratch.
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Ruby Performance Roundup: GC Tuning, MagLev, MacRuby
Ruby's performance is being improved on all fronts. The GC gets help from REE's work on the COW GC and some tunings tips help to fine tune it. MacRuby's VM keeps on improving and tail call optimization was recently added. Also: news of a MagLev Beta in Q2.
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Sun's Garbage First Collector Largely Eliminates Low Latency/High Throughput Tradeoff
In a recent podcast, James Gosling talked to Danny Coward about the significance of Sun's new Hotspot garbage collector Garbage First for developers of large-scale enterprise systems.
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MacRuby 0.5 Will Have Faster VM Based on LLVM,
The first results of performance work on the next version of MacRuby are now available in an experimental branch. A new VM based on LLVM is used and already shows significant speed improvements over earlier MacRuby versions.
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Rubinius Progress - Interview with Brian Ford
The Ruby implementation Rubinius has attracted a lot of interest. After the project completed a major rewrite of its VM, we caught up with Brian Ford, Rubinius team member, to talk about the state of the project.
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New Patches for 1.8.x Fix Memory Leaks And Improve Performance
A few patches by Brent Roman promise to fix a long standing issue of memory leaks, particularly for continuations, for Ruby 1.8.x. They also happen to improve performance.
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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.