> To my surprise, there were no measurable differences outside of the standard deviation we already see when repeating tests multiple times.
This should be the main takeaway. Don't enable ffast-math if floating point calculations aren't a bottleneck, and especially not if you don't understand all the other optimizations it enables.
This should be the main takeaway. Don't enable ffast-math if floating point calculations aren't a bottleneck, and especially not if you don't understand all the other optimizations it enables.