GRAPHITE="-floop-interchange -ftree-loop-distribution -floop-strip-mine -floop-block"
CFLAGS="-Ofast -pipe -flto=8 ${GRAPHITE} -fprofile-generate -fopenmp -D_GLIBCXX_PARALLEL -fassociative-math -freciprocal-math -fno-signed-zeros -fno-trapping-math -frename-registers -funroll-all-loops"
CXXFLAGS="${CFLAGS}"
LDFLAGS="${CFLAGS} -fuse-linker-plugin"
>>60745180
>-funroll-all-loops
They don't call them funrolls for nuffin.
>>60745180
https://www.youtube.com/watch?v=qVHajrEhHa4