System programming in D (Was: The God Language)
so
so at so.so
Fri Dec 30 17:59:04 PST 2011
On Sat, 31 Dec 2011 03:40:43 +0200, Iain Buclaw <ibuclaw at ubuntu.com> wrote:
> Take a pick of any examples posted on this ML. They are far better
> fit to use as a test bed. Ideally one that does number crunching and
> can't be easily folded away.
Well not them but another dummy function, i didn't think it would differ
this much.
time ./test_inl
real 0m0.013s
user 0m0.007s
sys 0m0.003s
time ./test
real 0m7.753s
user 0m5.966s
sys 0m0.013s
time ./test_inl
real 0m0.013s
user 0m0.010s
sys 0m0.000s
time ./test
real 0m7.391s
user 0m5.960s
sys 0m0.017s
time ./test_inl
real 0m0.014s
user 0m0.007s
sys 0m0.003s
time ./test
real 0m7.582s
user 0m5.950s
sys 0m0.030s
real test() // test.d
real test() @inline // test_inl.d
{
real a=423123, b=432, c=10, d=100, e=4045, f=123;
a = a / b * c / d + e - f;
b = a / b * c / d + e - f;
c = a / b * c / d + e - f;
d = a / b * c / d + e - f;
e = a / b * c / d + e - f;
f = a / b * c / d + e - f;
a = a / b * c / d + e - f;
b = a / b * c / d + e - f;
c = a / b * c / d + e - f;
d = a / b * c / d + e - f;
e = a / b * c / d + e - f;
f = a / b * c / d + e - f;
a = a / b * c / d + e - f;
b = a / b * c / d + e - f;
c = a / b * c / d + e - f;
d = a / b * c / d + e - f;
e = a / b * c / d + e - f;
f = a / b * c / d + e - f;
return f;
}
void main()
{
for(uint i=0; i<1_000_000_0; ++i)
test();
}
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