¡@
c++ Programming Glossary: sequentialhttp://stackoverflow.com/questions/10587598/simd-prefix-sum-on-intel-cpu the cost would be 5n 16 . Or about 3.2 times faster than sequential code which has a time cost of n . Using hyper threading the.. version for the first pass which is about twice as fast as sequential code. Now I get a total boost of about 7 on my four core ivy..
What is the Fastest Method for High Performance Sequential File I/O in C++? http://stackoverflow.com/questions/1201261/what-is-the-fastest-method-for-high-performance-sequential-file-i-o-in-c are conducted. ...the file is closed. Input A large file sequentially written as above is read from disk from beginning to end... accepted guidelines for achieving the fastest possible sequential file I O in C Some possible considerations Guidelines for choosing.. accepted guidelines for achieving the fastest possible sequential file I O in C Rule 0 Measure. Use all available profiling tools..
Why is my program slow when looping over exactly 8192 elements? http://stackoverflow.com/questions/12264970/why-is-my-program-slow-when-looping-over-exactly-8192-elements res j i img j 1 i 1 res j i 9 This eliminates all the non sequential access completely so you no longer get random slow downs on..
Why do I need strand per connection when using boost::asio? http://stackoverflow.com/questions/12794107/why-do-i-need-strand-per-connection-when-using-boostasio in handler of read event. So basically read_some calls are sequential therefore there is no need for strand and item 2 of 3rd paragraph..
http://stackoverflow.com/questions/1613230/uses-of-c-comma-operator into play. Operator in nothing else than a separator of sequential expressions in C i.e. operator in expression programming serves..
C++0x memory model and speculative loads/stores http://stackoverflow.com/questions/2001913/c0x-memory-model-and-speculative-loads-stores ordering for experts only but the default provides for sequential consistency . In light of this I'm confused about the restrictions..
how to sum a large number of float number? http://stackoverflow.com/questions/2148149/how-to-sum-a-large-number-of-float-number point addition is not associative in other words your sequential algorithm Sum A ... A1 A2 A3 A4 ... A10000 May produce a different..
What's the difference between function(myVar) and (function)myVar? http://stackoverflow.com/questions/3484371/whats-the-difference-between-functionmyvar-and-functionmyvar function myVar x . I am not doing the whole tutorial in sequential order. I checked but didn't find this addressed anywhere though..
How should a size-limited stl-like container be implemented? http://stackoverflow.com/questions/3563591/how-should-a-size-limited-stl-like-container-be-implemented allow to put in more than e.g. 50 entries so almost like a sequential contrainer but with an upper limit. c stl refactoring share..
Is std::ifstream significantly slower than FILE? http://stackoverflow.com/questions/477225/is-stdifstream-significantly-slower-than-file
When do you prefer using std::list<T> instead of std::vector<T>? http://stackoverflow.com/questions/5056973/when-do-you-prefer-using-stdlistt-instead-of-stdvectort std vector seems like a perfect choice when we need sequential container So my question is When exactly do you prefer std list..
Some clarification needed about synchronous versus asynchronous asio operations http://stackoverflow.com/questions/5282659/some-clarification-needed-about-synchronous-versus-asynchronous-asio-operations operations has finalized. It seems to me that in sequential operations as those involved in TCP IP connections with protocols..
Checking value exist in a std::map - C++ http://stackoverflow.com/questions/535317/checking-value-exist-in-a-stdmap-c So I can call find on it Is find in std map doing sequential search Thanks c iterator find stdmap share improve this question..
http://stackoverflow.com/questions/6319146/c11-introduced-a-standardized-memory-model-what-does-it-mean-and-how-is-it-g default mode for atomic loads stores in C 11 is to enforce sequential consistency . This just means all loads and stores must be as.. for loads and stores. Now on a modern CPU ensuring sequential consistency can be expensive. In particular the compiler is.. this trivial example the result is the same as full blown sequential consistency in a larger program it would not be. Of course if..
Why should `new` be used as little as possible? http://stackoverflow.com/questions/6500313/why-should-new-be-used-as-little-as-possible and the heap. Stack The stack always allocates memory in a sequential fashion. It can do so because it requires you to release the..
std::lower_bound slower for std::vector than std::map::find http://stackoverflow.com/questions/8784732/stdlower-bound-slower-for-stdvector-than-stdmapfind std map find I wrote a class to act as a wrapper around a sequential container std vector std queue std list to have the interface..
What is the Fastest Method for High Performance Sequential File I/O in C++? http://stackoverflow.com/questions/1201261/what-is-the-fastest-method-for-high-performance-sequential-file-i-o-in-c is the Fastest Method for High Performance Sequential File I O in C Assuming the following for... Output The file..
Why GCC does not use LOAD(without fence) and STORE+SFENCE for std::memory_order_seq_cst? http://stackoverflow.com/questions/19047327/why-gcc-does-not-use-loadwithout-fence-and-storesfence-for-stdmemory-order std memory_order_seq_cst Here are four approaches to make Sequential Consistency in x86 x86_64 LOAD without fence and STORE MFENCE..
C++0x memory model and speculative loads/stores http://stackoverflow.com/questions/2001913/c0x-memory-model-and-speculative-loads-stores C Concurrency Memory Model Sutter Prism A Principle Based Sequential Memory Model for Microsoft Native Code Platforms N2197 Boehm.. consequences N2338 Now the basic idea is essentially Sequential Consistency for Data Race Free Programs which seems to be a..
How to write an automated test for thread safety http://stackoverflow.com/questions/394900/how-to-write-an-automated-test-for-thread-safety what your Foo object does could be an anti pattern namely Sequential Coupling . Depending what it does you may be able to handle.. method has not yet been called. Using the example from the Sequential Coupling link this would be similar to having the car do nothing..
Heterogeneous containers in C++ http://stackoverflow.com/questions/7804955/heterogeneous-containers-in-c of same tyme Vs different type Sorted Vs unsorted data Sequential Vs random access http plasmahh.projectiwear.org cce_clean.svg..
|