Quote:
Originally Posted by LoRd_MuldeR
Regarding link-time optimization (LTO) see:
https://en.wikipedia.org/wiki/Interp...l_optimization
Regarding the " -ffast-math" option:
This enables some "unsafe" optimizations for math functions. Specifically, it drops compliance to the IEEE or ISO rules/specifications in order to yield even faster code. This may break some applications! |
So generally speaking do not use.