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c++ Programming Glossary: somedatacudaMemcpyToSymbol using or not using string http://stackoverflow.com/questions/15435880/cudamemcpytosymbol-using-or-not-using-string works for me if no const char is used __constant__ int someData 10 __constant__ int ptrToData int dataPosition cudaGetSymbolAddress.. int dataPosition cudaGetSymbolAddress void dataPosition someData Works cudaGetSymbolAddress void dataPosition someData Do not.. someData Works cudaGetSymbolAddress void dataPosition someData Do not work cudaMemcpyToSymbol ptrToData dataPosition sizeof..
http://stackoverflow.com/questions/2569046/is-there-a-way-to-increase-the-efficiency-of-shared-ptr-by-storing-the-reference public boost noncopyable friend class Resource HANDLE someData Implementation HANDLE input someData input void SomeMethodThatActsOnHandle.. class Resource HANDLE someData Implementation HANDLE input someData input void SomeMethodThatActsOnHandle Do stuff public ~Implementation.. Do stuff public ~Implementation FreeHandle someData class Resource boost shared_ptr Implementation impl public Resource..
http://stackoverflow.com/questions/295027/array-of-zero-length to use such thing Any advice in refactoring those struct someData int nData BYTE byData 0 NB It's C Windows XP VS 2003 c visual.. this is a C Hack. To create an array of any length struct someData mallocSomeData int size struct someData result struct someData.. any length struct someData mallocSomeData int size struct someData result struct someData malloc sizeof struct someData size sizeof..
C++ ~ 1M look-ups in unordered_map with string key works much slower than .NET code http://stackoverflow.com/questions/8372579/c-1m-look-ups-in-unordered-map-with-string-key-works-much-slower-than-net-c lookup key in the dictionary let mutable found someData dictionary.TryGetValue key if not found then add a new value.. key if not found then add a new value someData new SomeData dictionary. key someData update corresponding value.. add a new value someData new SomeData dictionary. key someData update corresponding value in the dictionary someData.Value..
C++ ~ 1M look-ups in unordered_map with string key works much slower than .NET code http://stackoverflow.com/questions/8372579/c-1m-look-ups-in-unordered-map-with-string-key-works-much-slower-than-net-c of C implementation down to 190 ms. C code struct SomeData public float Value typedef std string KeyString typedef std.. std string KeyString typedef std unordered_map KeyString SomeData DictionaryT const int MaxNumberOfRuns 125 const int MaxNumberOfKeys.. key in the dictionary auto dataIter dictionary.find key SomeData data if dataIter dictionary.end get existing value data dataIter..
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