GCC/CLANG benchmarks: YAFM

source code for program: https://github.com/KisuYami/yafm

gcc:

-O2 -march=native:
compile time:
real 0.53
user 0.42
sys 0.10
size: 22880
-Ofast -march=native:
compile time:
real 0.50
user 0.40
sys 0.10
size: 22880
-Os:
compile time:
real 0.43
user 0.34
sys 0.09
size: 14680
-O3:
compile time:
real 0.48
user 0.37
sys 0.10
size: 22872

clang:

-O2 -march=native:
compile time:
real 1.04
user 0.84
sys 0.17
size: 22888
-Ofast -march=native:
compile time:
real 1.08
user 0.87
sys 0.20
size: 22888
-Os:
compile time:
real 1.05
user 0.85
sys 0.18
size: 22888
-O3:
compile time:
real 0.99
user 0.79
sys 0.20
size: 22888