c++ Programming Glossary: fa

http://stackoverflow.com/questions/11066068/how-to-program-c11-using-qt5

from this site http www.equation.com servlet equation.cmd fa fortran I installed it in C QtSDK mingw and simply overrode.. std c 0x Qt 4.7 and CONFIG c 11 Qt5 the IDE or toolchain fails to compile a simple range based for loop int main int argc..

C++11: GCC 4.8 `thread_local` Performance Penalty?

http://stackoverflow.com/questions/13106049/c11-gcc-4-8-thread-local-performance-penalty

rax rax 4005eb 74 05 je 4005f2 _ZTW3tls 0x13 4005ed e8 0e fa bf ff call 0 tls initialize the TLS 4005f2 64 48 8b 14 25 00.. 4005f3 48 c7 c0 fc ff ff ff mov rax 0xfffffffffffffffc 4005fa 64 89 10 mov DWORD PTR fs rax edx 4005fd b8 00 00 00 00 mov..

Why does changing `const ull` to `const ull&` in function parameter result in performance gain?

http://stackoverflow.com/questions/14805641/why-does-changing-const-ull-to-const-ull-in-function-parameter-result-in-pe

of the speedup it was even more noticeable for me 1.75x faster . The problem seems to be when you pass x by value it enables.. than compare and branch. The compare and branch runs much faster than the back to back conditional moves. I was able to avoid.. often you will see instructions with big counts when in fact it was the previous instruction that stalled or missed in..

rint not present in Visual Studio 2010 math.h and equivalent of CUDA rint

http://stackoverflow.com/questions/14919512/rint-not-present-in-visual-studio-2010-math-h-and-equivalent-of-cuda-rint

fully equivalent to CUDA rint for small numbers Will it fail for large numbers that cannot be represented as an int Is.. rounds according to the current rounding mode which defaults to round to nearest or even . Since CUDA does not support.. 2.5 2.0 3.0 3.5 4.0 4.0 4.5 4.0 5.0 round can be emulated fairly easily along the lines of the code you posted I am not aware..

Passing a string literal as a parameter to a C++ template class

http://stackoverflow.com/questions/2033110/passing-a-string-literal-as-a-parameter-to-a-c-template-class

From C ++ to Haskell Classes and States

http://stackoverflow.com/questions/6225483/from-c-to-haskell-classes-and-states

main using State or StateT Monad. What I have done so far is this import Control.Monad.State import Control.Monad.Identity.. A FieldsA where getX_A get return . x_A setX_A newx do fa get put fa x_A newx printX_A do fa get liftIO print fa return.. where getX_A get return . x_A setX_A newx do fa get put fa x_A newx printX_A do fa get liftIO print fa return data FieldsB..

Speed of accessing local vs. global variables in gcc/g++ at different optimization levels

http://stackoverflow.com/questions/7241035/speed-of-accessing-local-vs-global-variables-in-gcc-g-at-different-optimizati

another I would think gcc optimization would exploit that fact. Here come two examples in C but their C counterparts give.. essentially equal as I would expect at O1 it is somewhat faster but still equal but from O2 the version using the global.. but from O2 the version using the global variable is much faster a factor 7 or so . On the other hand in the following code..