[alsa-devel] [PATCH] snd_usb_caiaq: use likely()/unlikely()

Adrian Bunk bunk at kernel.org
Sat Apr 12 22:21:27 CEST 2008


On Sat, Apr 12, 2008 at 10:13:31PM +0200, Daniel Mack wrote:
> Use likely() and unlikely() in code which is called regularily.
>...

Does it bring any measurable advantage?

Otherwise it's usually better to let the compiler decide how to optimize 
the code.

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed



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