c++ Programming Glossary: flushWhy is the C++ STL is so heavily based on templates? (and not on *interfaces*) http://stackoverflow.com/questions/1039853/why-is-the-c-stl-is-so-heavily-based-on-templates-and-not-on-interfaces STL. The STL seemed to take the classical OOP concepts and flush them down the drain using templates instead. There should be..
Why is processing a sorted array faster than an unsorted array? http://stackoverflow.com/questions/11227809/why-is-processing-a-sorted-array-faster-than-an-unsorted-array you continue executing. If you guessed wrong you need to flush the pipeline and roll back to the branch. Then you can restart..
std::endl is of unknown type when overloading operator<< http://stackoverflow.com/questions/1134388/stdendl-is-of-unknown-type-when-overloading-operator do other stuff with the stream std cout for example will flush the stream stream Called MyStream endl std endl return stream..
Which iomanip manipulators are 'sticky'? http://stackoverflow.com/questions/1532640/which-iomanip-manipulators-are-sticky any other part of the stream objects state. ws endl ends flush The conclusion is that setw seems to be the only manipulator..
mixing cout and printf for faster output http://stackoverflow.com/questions/1924530/mixing-cout-and-printf-for-faster-output . I think it's safe to do as long as I don't forget to flush before switching to the other method cout Hello endl cout.flush.. before switching to the other method cout Hello endl cout.flush for int i 0 i 1000000 i printf World n fflush stdout cout last.. endl cout.flush for int i 0 i 1000000 i printf World n fflush stdout cout last line endl cout flush Is it OK like that Update..
Overload handling of std::endl? http://stackoverflow.com/questions/2212776/overload-handling-of-stdendl is write your own stream buffer When the stream buffer is flushed you output you prefix characters and the content of the stream... causes the following. 1 Add ' n' to the stream. 2 Calls flush on the stream 2a This calls pubsync on the stream buffer. 2b.. output. 1 Output Plop then the buffer 2 Reset the buffer 3 flush the actual output stream we are using. virtual int sync output..
C/C++ function definitions without assembly http://stackoverflow.com/questions/2442966/c-c-function-definitions-without-assembly Since the only option when you 脎e run out of buffer is to flush to the screen or whatever device your file pointer represents.. a bunch more buffer manipulation but it does call _IO_do_flush #define _IO_do_flush _f INTUSE _IO_do_write _f _f _IO_write_base.. manipulation but it does call _IO_do_flush #define _IO_do_flush _f INTUSE _IO_do_write _f _f _IO_write_base _f _IO_write_ptr..
How do I flush the cin buffer? http://stackoverflow.com/questions/257091/how-do-i-flush-the-cin-buffer do I flush the cin buffer How do I clear the cin buffer in C c cin io..
fastest (low latency) method for Inter Process Communication between Java and C/C++ http://stackoverflow.com/questions/2635272/fastest-low-latency-method-for-inter-process-communication-between-java-and-c incrementing a static volatile int variable JVM happens to flush CPU caches when doing so and obtained record 72 nanoseconds..
C++ format macro / inline ostringstream http://stackoverflow.com/questions/303562/c-format-macro-inline-ostringstream 0 ios_base cur ostringstream . write 0 ostringstream . flush ostringstream flush ostringstream nounitbuf ostringstream unitbuf.. . write 0 ostringstream . flush ostringstream flush ostringstream nounitbuf ostringstream unitbuf ostringstream..
http://stackoverflow.com/questions/4340396/does-the-c-standard-mandate-poor-performance-for-iostreams-or-am-i-just-deali of iostreams can't be blamed on slow disk I O too much flushing synchronization with stdio or any of the other things people.. in a file I O class wouldn't have to do that it would just flush the current buffer and reuse it. So this should be an upper..
What is the C++ iostream endl fiasco? http://stackoverflow.com/questions/5492380/what-is-the-c-iostream-endl-fiasco was the preferred way to signify the end of a line and flush the buffer for a stream. Why is it considered a fiasco Should.. use std endl blindly instead of ' n' for newline flushing unnecessarily frequently and potentially making their program's.. even though it is very rarely necessary or appropriate to flush it. It is some people's opinion mine included that std endl..
“\n” or '\n' or std::endl to std::cout? http://stackoverflow.com/questions/8311058/n-or-n-or-stdendl-to-stdcout should be the default. Unless you want to also explicitly flush the stream and when and why would you want to do that there.. tied to std cin by default which leads to std cout being flushed before any input operation so that any prompt will be printed..
Why does changing 0.1f to 0 slow down performance by 10x? http://stackoverflow.com/questions/9314534/why-does-changing-0-1f-to-0-slow-down-performance-by-10x this has everything to do with denormalized numbers if we flush denormals to zero by adding this to the start of the code _MM_SET_FLUSH_ZERO_MODE.. round to zero instead. Timings Core i7 920 @ 3.5 GHz Don't flush denormals to zero. 0.1f 0.564067 0 26.7669 Flush denormals to..
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