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AtomicInteger lazySet vs. set

...e next time it accesses the same memory location. oracle hotspot jdk for x86 cpu architecture-> lazySet == unsafe.putOrderedLong == xchg rw( asm instruction that serve as a soft barrier costing 20 cycles on nehelem intel cpu) on x86 (x86_64) such a barrier is much cheaper performance-wise than...
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Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?

In the x86-64 Tour of Intel Manuals , I read 3 Answers 3 ...
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How can I get the current user directory?

... Larry 16.2k88 gold badges6868 silver badges9797 bronze badges answered Jul 16 '09 at 21:30 ThomasThomas ...
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NUnit isn't running Visual Studio 2010 code

...just open this file and everything will work just fine C:\Program Files (x86)\NUnit 2.5.10\bin\net-2.0\nunit-x86.exe share | improve this answer | follow | ...
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Microsoft.WebApplication.targets was not found, on the build server. What's your solution?

...ild server fixes this if it's just web applications C:\Program Files (x86)\MSBuild\Microsoft\VisualStudio\v10.0\WebApplications Remove x86 according to how your build breaks. If you have other project types you will probably need to copy the entire msbuild folder. ...
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What's the purpose of the LEA instruction?

...rick" to do certain computations, but that's not its primary purpose. The x86 instruction set was designed to support high-level languages like Pascal and C, where arrays—especially arrays of ints or small structs—are common. Consider, for example, a struct representing (x, y) coordinates: stru...
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Error to install Nokogiri on OSX 10.9 Maverick?

...st -I/Users/ericcamalionte/.rvm/rubies/ruby-1.9.2-p320/include/ruby-1.9.1/x86_64-darwin11.4.0 -I/Users/ericcamalionte/.rvm/rubies/ruby-1.9.2-p320/include/ruby-1.9.1/ruby/backward -I/Users/ericcamalionte/.rvm/rubies/ruby-1.9.2-p320/include/ruby-1.9.1 -I. -I/usr/local/Cellar/libxslt/1.1.28/include -I/...
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Could not load file or assembly 'xxx' or one of its dependencies. An attempt was made to load a prog

... Sounds like one part of the project is being built for x86-only while the rest is being built for any CPU/x64. This bit me, too. Are you running an x64 (or uh... IA64)? Check the project properties and make sure everything is being built for "Any CPU". f you're in Visual Studio, ...
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How can I transform between the two styles of public key format, one “BEGIN RSA PUBLIC KEY”, the oth

...FnODva32D1AqhwdziwHINFaD1MVlcrYG6XRKfkcxnaXGfFDWHLEvNBS EVCgJjtHAGZIm5GL/KA86KDp/CwDFMSwluowcXwDwoyinmeOY9eKyh6aY72xJh7n oLBBq1N0bWi1e2i+83txOCg4yV2oVXhBo8pYEJ8LT3el6Smxol3C1oFMVdwPgc0v Tl25XucMcG/ALE/KNY6pqC2AQ6R2ERlVgPiUWOPatVkt7+Bs3h5Ramxh7XjBOXeu lmCpGSynXNcpZ/06+vofGi/2MlpQZNhHAo8eayMp6FcvNucIp...
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What is the fastest/most efficient way to find the highest set bit (msb) in an integer in C?

... platform-specific intrinsics like ARM GCC's __clz (no header needed), or x86's _lzcnt_u32 on CPUs that support the lzcnt instruction. (Beware that lzcnt decodes as bsr on older CPUs instead of faulting, which gives 31-lzcnt for non-zero inputs.) There's unfortunately no way to portably take advan...