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Test your multi-threaded applications on Intel's Parallel Universe Portal At the 2010 Evans Data Developer Relations Conference, I sat in on a talk about the Intel Parallel Universe Portal.  "Intel® Parallel Universe Portal is an internet-based service that enables software developers to analyze their applications to see how they scale on multi-core computer systems." The portal FAQ says the system works with C/C++, Fortran and C# applications.   It also works with Delphi and C++Builder applications!   I created a multi-threaded Delphi application (no user interact...

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Skip(0) in LINQ and Testing A couple of weeks ago, I wrote In LINQ, Beware of Skip(0). In that post, I observed that calling Skip(0) on a query result in LINQ, which has no effect on the dataset returned, imposes a performance penalty with at least some LINQ providers. At the time I commented that there might be some desirable behavior of this that I had missed. Sure enough, one of the developers on the LINQ to SQL team noted in comments that Skip(0) will cease to be a no-op in LINQ to SQL in .NET 4.0, and supplied a perfe...

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