>perl -MTime::HiRes=time -MInline=C,"void foo(){}" -wE"$t=time;foo()for 1..1e8;say time-$t" 4.92960906028748 >perl -MTime::HiRes=time -wE"$t=time;sub foo(){}foo()for 1..1e8;say time-$t" 7.65961289405823