Rounding up to next power of 2

Rounding up to next power of 2

c optimization bit-manipulation

c

Why does glibc's strlen need to be so complicated to run quickly?

c optimization glibc portability strlen

c

Once upon a time, when > was faster than < ... Wait, what?

c optimization opengl cpu gpu

c

Improve INSERT-per-second performance of SQLite

c performance sqlite optimization

c

Is "for(;;)" faster than "while (TRUE)"? If not, why do people use it?

c++ c optimization readability infinite-loop

c

Why does the order of the loops affect performance when iterating over a 2D array?

c performance for-loop optimization cpu-cache

c

Is there a performance difference between i++ and ++i in C?

c performance optimization post-increment pre-increment

c

Which is better option to use for dividing an integer number by 2?

c++ c optimization division micro-optimization

c

How many GCC optimization levels are there?

c optimization gcc compiler-construction

c

In release mode, code behavior is not as expected

c++ c optimization visual-studio-2008 compiler-bug

c

Position of least significant bit that is set

c++ c optimization bit-manipulation

c

What is more efficient? Using pow to square or just multiply it with itself?

c++ c optimization

c

Why is a simple loop optimized when the limit is 959 but not 960?

c gcc optimization clang

c

Quickly find whether a value is present in a C array?

c optimization assembly embedded arm

c

Why does Clang optimize away x * 1.0 but NOT x + 0.0?

c++ c optimization floating-point clang

c