Re: unexpected speedup by manual inlining

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On Tue, Oct 28, 2008 at 7:23 AM, Rohit Garg <rpg.314@xxxxxxxxx> wrote:
> Hi all,
>
> I have a small app. In it in a a particular place, I had a 2-3
> functions being called from one main function. They were small
> functions (5-6 lines) and inline keyword was used. The performance was
> ......... HORRIBLE.
>
> -Winline didn't report any case of a function not being inlined.

Perhaps this is suggesting the obvious, but gcc doesn't do inlining if
you aren't compiling with optimization.  You get no warning in this
case from -Winline.

-- 
Andrew Bell
andrew.bell.ia@xxxxxxxxx

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