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C++ AMP Provides Massive Parallelism

by Abel Avram on  Jun 16, 2011 1

Microsoft wants to give C++ developers tools for writing parallel applications running on zillions of GPUs/cores locally or in the cloud.

Explaining .NET’s Barrier Class

by Jonathan Allen on  Jun 15, 2011

With the increased emphasis on multi-core systems an understanding of parallel and concurrent programming is more important than ever. Fortunately .NET 4 has made a lot of advances in the types of synchronization primitives available to developers. One such primitive is the Barrier, which Emad Omara uses to implement a parallel merge sort.

Akka 1.1 Released, Brings Many Improvements to Futures and Performance, Reduces Dependencies,

by Werner Schuster on  May 12, 2011

Akka 1.1 was released with many improvements in performance, Futures and more. The basic Akka also has no dependencies except for Scala 2.9. InfoQ caught up with Jonas Bonér to talk about the current state and the future of Akka.

Rubinius Comes To EngineYard's AppCloud, Work on 1.9 and GIL Removal Continues

by Werner Schuster on  Apr 27, 2011

EngineYard now offers Rubinius on its AppCloud PaaS service. InfoQ talked to Evan Phoenix about the state of Rubinius, the new performance tools and the status of the GIL removal.

Erlang Copied Scala's Actors & Erlang's VM is almost a Clone of the JVM

by Sadek Drobi on  Apr 01, 2011 6

Erlang Co-creators, Joe Armstrong and Robert Virding, admit that Erlang is heavily inspired by the Java world. In an interview at ErlangFactory 2011 SF, they reveal how Scala Actors had shaped their work in what they then called Erlang Processes. Moreover, they acknowledge the fact that Erlang's VM is barely a clone of the famous JVM.

Object Oriented Programming is out of the CMU Computer Science Introductory Curriculum

by Jean-Jacques Dubray on  Mar 20, 2011 42

Robert Harper and Dan Licata, Professors of Computer Science at Carnegie Mellon University, announced last week that they have decided to "eliminate entirely" OOP from the CS introductory curriculum.

Akka Reaches 1.0 Status: Brings the Actor Model to Java and Scala

by Charles Humble on  Feb 16, 2011

Project lead Jonas Bonér has announced today that Akka has reached its 1.0 milestone. InfoQ spoke to Bonér to find out more about the project.

TPL Dataflow – The Successor to CCR

by Jonathan Allen on  Jan 06, 2011

TPL Dataflow is Microsoft’s new library for highly concurrent applications. Using asynchronous message passing and pipelining, it promises to offer more control than thread pools and better performance than manual threading. The downside is that you have to adhere to design patterns that may be unfamiliar to .NET programmers.

Why Microsoft Believes that VB and C# Need an Asynchronous Syntax

by Jonathan Allen on  Jan 04, 2011 2

The new Async CPT for VB and C# looks like it may actually make it into the core language. But with all the emphasis on multi-core systems, why is Microsoft investing so heavily in syntax for designed specifically for making single-threaded asynchronous programming easier?

Sneak Peak: Asynchronous Syntax for Visual Basic and C#

by Jonathan Allen on  Oct 28, 2010 4

In a recent blog post the Visual Basic team let slip an announcement that Visual Basic and C# would be getting a new syntax for asynchronous programming. Built on top of the Task Parallel Library that was introduced in .NET 4, this adds the Async and Await keywords to both languages.

MacRuby Roundup: 0.7 Released, GCD-based Web Server, BridgeSupport

by Werner Schuster on  Oct 24, 2010

MacRuby 0.7 is out, with the usual performance and compatibility improvements, including Ruby 1.9.2 compatibility. To demonstrate MacRuby's tight integration with Snow Leopard's Grand Central Dispatch (GCD), the team has released ControlTower, a Rack-based web server. Also: with the new BridgeSupport, all native APIs can now be accessed and scripted.

Concurrency Revolution From a Hardware Perspective

by Srini Penchikala on  Sep 30, 2010 2

Brian Goetz and Cliff Click spoke at JavaOne conference last week about concurrency revolution from a hardware perspective. They said CPU designers will focus on parallelism in the future for increasing throughput of the systems. They also discussed some point solutions like Thread Pools, Fork/Join, Map/Reduce and Actors to achieve the concurrency in applications.

Microsoft’s Experiments with Software Transactional Memory Have Ended

by Jonathan Allen on  May 13, 2010 3

Dana Groff has announced the end of Microsoft’s experiment with software transactional memory for the .NET Framework. Known as STM.NET, this research project was announced in 2008 as an alternative to explicit locks when dealing with concurrency issues.

Patterns and Samples for .NET Parallel Extensions

by Jonathan Allen on  Apr 21, 2010

Even though Microsoft has been working on .NET’s Parallel Extensions since 2007, there are still many features that they didn’t have time to fully implement for .NET 4.0. Some features were “too application-specific to be included in the core of the Framework” while others simply needed for testing and user feedback. So instead they are being released as a set of patterns and samples.

Keeping Garbage Collection Pauses Short with Growing Heap Sizes: Q&A With Dr. Cliff Click

by Charles Humble on  Apr 21, 2010

The strong correlation between heap size and garbage collection pause time is becoming one of the major limitations to Java application scalability, and a great deal of R&D effort is going into trying to remedy the situation. InfoQ talked to Dr. Cliff Click, former architect and lead developer of the HotSpot Server Compiler and now chief JVM Architect at Azul Systems, about Azul's solution.

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