Start-up banks on Java hardware boost
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Hardware expected to begin selling next year is designed to make it faster and more efficient to run Java programs.
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Chip power has increased dramatically in the last few years, thanks to new multicore processors from Intel, AMD and other chip makers. The problem is, software developers who understand how to utilize the new hardware are in short supply.
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In Part 1 of this two-parter, we share tips and tricks for working with NetBoot, which is meant to allow Mac clients to start up and run applications using a server-based image.
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Demo shows the chip running a Java applet, a browser and displaying some video at the same time.
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SableVM is a robust, extremely portable, efficient, and specifications-compliant Java Virtual Machine that aims to be easy to maintain and to extend. It features a state-of-the-art and efficient interpreter engine. Its source code is very accessible and easy to understand. It also has many robustness features that have been the object of careful design.     SableVM is a clean-room implementation of the publicly available specifications.    In this version, we added an experimental generational garbage collector, we imported a new GNU Classpath snapshot, we added handling of Jar/Zip files on boot classpath, we added user-friendly failure messages for bootstrap problems, we added added a profiling switch, we made sablevm-classpath install its files in standard locations, we made jikes and gcc be less verbose by default, and we made several important bugfixes and improvements.  You can download the SableVM from: http://sourceforge.net/project/showfiles.php?group_id=5523&release_id=281502
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Flash memory stick makers are showing off USB (Universal Serial Bus) drives at Computex that have been certified to work with Windows Vista&#39;s ReadyBoot and ReadyBoost functions, which improve boot-up times and the software start-up speeds in PCs.
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Start-up PeakStream's software is designed to adapt technical computing tasks to graphics chips and multicore chips.
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InfoWorld - PeakStream, a startup company featuring former executives from Sun Microsystems and VMware, on Monday is set to launch its high-performance application platform that leverages multicore processors.
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Editor&#39;s Summary: At a supercomputing conference, Microsoft announced a new tool kit that will let developers create high-performance computing applications.
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With an eye toward both consumer and enterprise needs, Sun Microsystems is reworking the plug-in architecture of Java in an upcoming update to Java Platform Standard Edition (SE) 6, company officials said Wednesday evening.Overall, Sun officials at a briefing in San Francisco stressed the company's new emphasis on not just the enterprise space but consumer systems as well, with the company extending Java and rich experiences to various devices.With the plug-in platform, a ground-up rewrite is under way, said Ken Russell, from the Java SE deployment team. "This will change how your poker game in [a] Web browser is run as well as your corporate app," Russell said.The new architecture is planned for inclusion in the upcoming beta of what is now being referred to as Java SE 6 Update N, due in December."Really, the defining feature of it is that it runs the applets in a separate process than the Web browser," Russell said.Features of the plug-in plan include improved scripting support and reliability. More powerful applications can be supported than in the past. Users will be able to tune an applet to run in a particular version of the Java Runtime Environment (JRE); this will enable developers to target one JRE without having to change the behavior of any other applet. Testing also will be simplified.In addition, better backing will be offered for Windows Vista, including capabilities for signed applets. Support will be offered for Internet Explorer 6 and 7 browsers as well as for Firefox 3 alpha builds and the Firefox 2 browser. Platforms capable of running the plug-in include Solaris, Windows and Linux.Current plans call for the plug-in technology to be turned on via a switch in the Java control panel.Sun also delved into other features planned for Java SE 6 Update N."Update N is about fixing the consumer experience," with a more solid browser plug-in experience and a better installation experience, said Chet Haase, Java SE client architect. Sun also wants to better enable Java for rich Internet applications.A faster startup for Java is also planned. This is important in the Web ad and lightweight game space, Haase said. Also planned is inclusion of technology from a project called Quickstarter, which preloads disk cache to bolster performance of lightweight applications. Faster graphics is planned as well, as is Nimbus, which provides a new look and feel for Java Swing client systems.Haase also noted Sun's plan for the Java Kernel, which enables downloading just the parts of Java that are needed to run an application. While that application is running, the rest of the platform is downloaded.James Gosling, chief technology officer for the Sun client software group, reviewed plans for JavaFX, which is Sun's platform for building rich, consistent user experiences for a wide variety of devices and systems."JavaFX really is a marketing term that is sort of an umbrella for a set of activities," Gosling said. The platform covers consumer-facing technologies and features a services layer based on Java and a database, a presentation layer with HTTPD, and an edge device component, covering desktops to phones to TVs."This edge part of the universe -- this is what JavaFX is all about," said Gosling.Featured in JavaFX is JavaFX Mobile, which is a software stack for mobile phones; Java SE 6 Update N, also known as the consumer JRE; the JavaFX Script scripting language, and JavaFX designer and developer tools."[JavaFX Script is] a scripting language sort of in the sense of PHP [Hypertext Preprocessor] and Python and all the rest of them. But while those are focused at generating HTML from the presentation layer outward, JavaFX Script is really all about rich user interactions," Gosling said.
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Based off of a previous article from Mike Willbanks, Stuart Herbert has posted some of his own thoughts on tuning and tweaking your applications for the best performance you can get out of them.   There's some good advice in there, and I thought it'd be a good idea to quickly add a bit more detail about the separate approaches that Mike raises.   He goes over the APC caching, memcache, the "gzip trick", the "Not Modified" header and optimized SQL statements.   He also mentions one thing that Mike didn't mention - a split between static files (no PHP needed) and their dynamic cousins. Having a more pure Apache (no PHP installed) can help give a minute jump in speed that, depending on the size of the site, could really add up from a user's perspective.
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The JyAALib project is a Java/Jython implementation of the Asynchronous Action Framework based in Pure Object Oriented Concepts. The Massive Parallel Framework in Python Language - Full Compatible with Jython-JAVA.   New Beta version 1.9 is available for the PyAALib-JyAALib : The Massive Parallel Framework in Python Language - Full Compatible with Jython-JAVA
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A fundamental change in the design of microprocessors is presenting software developers with a challenge &#151; and a huge financial opportunity.
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Sun Microsystems announced this morning it has developed an architecture for supercomputing which, as soon as the fourth quarter of this year, will drive a data cluster capable of a sustained processing rate of 1.7 petaflops.  That's six times faster than the machine perched atop the most recent Top 500 supercomputers list today...and IBM has already reacted.
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ARM this week added a SIMD engine to its ARMv7 ISA in a bid to improve the platform&#39;s ability to process multimedia and network datastreams.
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A 7200rpm unit that's as fast as a 10,000rpm job, apparently
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The computing technologies to go beyond Moore's Law