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c++ Programming Glossary: reorderingdoes presence of mutex help getting rid of volatile key word ? http://stackoverflow.com/questions/1616093/does-presence-of-mutex-help-getting-rid-of-volatile-key-word Sutter in another answer are for preventing the CPU from reordering read write memory requests regardless of how the compiler said.. that your compiler will recognize and thus avoid reordering. EDIT P.S. I forgot to mention for pthreads stuff some compilers..
What is “cache-friendly” code? http://stackoverflow.com/questions/16699247/what-is-cache-friendly-code feature pipelines and compilers are becoming very good at reordering code to minimize delays due to memory access. When your critical..
struct sizeof result not expected http://stackoverflow.com/questions/1913842/struct-sizeof-result-not-expected ...struct goes here... #pragma pack I would also recommend reordering things and if necessary padding then with RESERVED bytes so..
Why is volatile not considered useful in multithreaded C or C++ programming? http://stackoverflow.com/questions/2484980/why-is-volatile-not-considered-useful-in-multithreaded-c-or-c-programming and defer updating main memory until much later that no reordering takes place. Assume that we use a volatile variable as a flag.. does guarantee the first point. It also guarantees that no reordering occurs between different volatile reads writes . All volatile.. relative to the volatile ones. The solution to preventing reordering is to use a memory barrier which indicates both to the compiler..
Missing number(s) Interview Question Redux http://stackoverflow.com/questions/4406110/missing-numbers-interview-question-redux this is undesirable in which case any solution involving reordering the elements or consuming them must first make a copy O N K..
Why doesn't C++ make the structure tighter? http://stackoverflow.com/questions/6730664/why-doesnt-c-make-the-structure-tighter between the class members. You can minimize padding by reordering the members yourself in increasing or decreasing size order...
http://stackoverflow.com/questions/6866206/volatile-and-createthread in a read write instruction. Prevents the compiler from reordering the access with other volatiles . What volatile does not Make.. does not Make the access atomic. Prevent the compiler from reordering with non volatile accesses. Make changes from one thread visible.. cross platform C VC has extended volatile to prevent any reordering with other instructions. Other compilers don't because it negatively..
Reorder vector using a vector of indices http://stackoverflow.com/questions/838384/reorder-vector-using-a-vector-of-indices with his for all 11 permutations of 0..10 passed as the reordering vector. Also it doesn't modify reordering vector. template class.. passed as the reordering vector. Also it doesn't modify reordering vector. template class T void reorder vector T v vector size_t..
C++ Memory Barriers for Atomics http://stackoverflow.com/questions/8841738/c-memory-barriers-for-atomics a compiler level memory fence preventing the compiler from reordering memory accesses. That means the processor is still free to do.. accesses. That means the processor is still free to do reordering. Compiler fences are generally used in combination with operations..
http://stackoverflow.com/questions/901473/read-unicode-files-c
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