There's no inlining at the moment.
On Wed, Oct 7, 2009 at 6:31 AM, Viktor Linder <linder.vik...@gmail.com> wrote:
>
> Hi!
> I recently wrote a quick test that does this:
>
> private static int test_f(int i) { return i * 42; }
>
> ...
>
> int z = 41;
> for(int i = 0; i < 10000; ++i) { z = z*42; } // this loop runs
> in X seconds
> for(int i = 0; i < 10000; ++i) { z = test_f(z); } // this loop runs
> in 10*X seconds
>
> The results of this tests imples test_f() is not being inlined, even
> though it really is a prime candidate for it. It should also be
> possible to do this inlining at compile time.
>
> There seems to be no option to control optimization level of the
> compiler in Eclipse, perhaps optimizations like these are left to the
> VM?
>
> Does the Dalvik VM do inlining of functions at all, or did it just
> decide to not inline this specific instance?
>
> Curious to hear a response from someone more familiar with the Dalvik
> VM than me.
>
> Best regards,
> Viktor Linder
>
> >
>
--
Romain Guy
Android framework engineer
romain...@android.com
Note: please don't send private questions to me, as I don't have time
to provide private support. All such questions should be posted on
public forums, where I and others can see and answer them
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