New posts in compiler-optimization

Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_u64 on Intel CPUs

c++ performance assembly x86 compiler-optimization

Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?

gcc assembly floating-point compiler-optimization fast-math

Why are elementwise additions much faster in separate loops than in a combined loop?

c++ performance x86 vectorization compiler-optimization