InfoQ Homepage Parallel Programming Content on InfoQ
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Anders Hejlsberg and Guy Steele on Concurrency and Language Design
An interview recorded at JAOO, Anders Hejlsberg and Guy Steele talk about concurrency in language design. Anders Hejlsberg is the chief architect of C#, creator of Turbo Pascal, and former chief architect of Delphi. Guy Steele is the creator of Scheme and is currently working on Sun's Fortress, a programming language that focuses on parallelism and mathematics.
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Visual Studio 2010 Feature Focus: Profiling and Debugging Parallel Applications
Visual Studio 2010 will bring a new focus on profiling and debugging parallel applications. These include tools for debugging code in terms of tasks instead of threads and profilers that show how efficiently the OS is scheduling threads.
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.NET 4 Feature Focus: Parallel Programming
Microsoft is planning on releasing a wide variety of parallel programming libraries with .NET 4. These include Parallel LINQ (PLINQ), Structured Parallelism (Parallel.For), the Task Parallel Library, and the Coordination Data Structures.
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Interview: Simon Peyton Jones on Programming Languages and Research Work
In this QCon London 2008 interview, computer scientist and researcher Simon Peyton Jones discusses properties of functional programming languages, and particularly Haskell, that have inspired some features in mainstream languages. He gives his opinion on the issues of syntax and language complexity and talks about some research work on subjects such as data parallelism and transactional memory.
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NeverBlock and Non-Blocking Database Adapters
Besides Postgres, NeverBlock now also supports MySQL through the new MySQLPlus adapter. We talked to two of the developers of MySQLPlus and discussed NeverBlock and non-blocking database adapters with developers of Ruby's Oracle and SQLite interfaces.
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Deadlock Debugging for .NET
Out of the box, .NET doesn't have any support for deadlock detection. Normally the way one checks for deadlocks is by attaching the debugger and examining each thread. Corneliu, creator of the GUI debugging tool HawkEye, has offered an alternative. His ACorns.Debugging tool works against most .NET programs, without recompiling them.
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Enumerating Concurrent Collections
Continuing our series on parallel programming and collections, we now turn to the problem of enumerating mutable collections. With so many options available, picking the right semantics is hard, so Stephen Toub of the Parallel Extensions team is asking for feedback.
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Parallel Mono
Recently we announced that Mono achieved full C# 3 support. Along with that comes support for Parallel LINQ. Parallel LINQ, part of Microsoft’s Parallel Extensions library, allows developers to quickly make queries execute across multiple threads.
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Bill McCarthy asks “Are Iterators Fundamentally Flawed?”
Iterators are at the core of .NET programming. Only rarely do developers actually work against indexed data, preferring to use for-each loops for most tasks. But is this inherently sequential access method appropriate as we turn more to multi-threaded applications?
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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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Opinion: Multiple Processor Computing Challenges go Beyond Purely Technical Issues
In his position statement for the International Computer Music Conference 2008, Peter Van Roy raises a number of issues related to the emergence of multi-core processors and loosely coupled systems and suggests possible solutions. Though challenges brought by these two forms of concurrency computing are very different in their nature, both they go beyond purely technical problems.
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Coordination Data Structures: New Classes for .NET Multithreading
The June drop of Parallel Extensions for .NET added a set of classes to make sharing data in a multi-threaded application easier. With ten new classes including new synchronization primitives, futures, and new collection classes, there is only time to touch on each of them briefly.
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Parallel Extensions to the .NET Framework June 2008 CTP Released
Microsoft has just released the Parallel Extensions to the .NET Framework June 2008 CTP.
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Concurrency Presentation Scheduled for the PDC Pre-Conference Sessions
Microsoft's The Parallel Computing Platform team will be presenting on Concurrent, Multi-core Programming for Windows and .NET during the PDC pre-conference Sessions. These sessions are day-long, in-depth presentations on specific topics. Held the Sunday before the main conference, a separate registration is required.
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JavaOne: Cliff Click on a Scalable Non-Blocking Coding Style
Dr Cliff Click, a distinguished engineer at Azul Systems, gave a talk at this year's JavaOne about a scalable, non-blocking coding style in Java. The coding style has allowed him to build several lock-free data structures in Java that successfully scale on processors with hundreds of cores.