GNU compilers and LLVM-based compilers like the Arm Compiler for HPC have three compiler flags in common: -march, -mtune, and -mcpu. These flags control binary code generation, so the correct use of these flags can dramatically improve runtime performance…

Welcome back!

A lot has happened since the last GNU Tool chain performance update. The GCC and glibc communities have been hard at work since, improving the compiler and the library with new usability, language, debugging, security and a myriad of other features…