Re: Overhead of type casting when using GObject system

[Ross Lagerwall <rosslagerwall gmail com>]

On Sun, Feb 10, 2013 at 11:08:31AM +0000, Emmanuele Bassi wrote:
> disabling cast checks is usually the result of performance profiling,
> tho, so it should only be used if you have profiled your application
> code and verified that type casting is high on the profiles; there are
> also various ways to avoid that, by using ancillary values and the
> correct type to minimize casting, before a blanket type cast check
> disable.
> 

What are ancillary values, and how can you use them to minimize casting?

Regards
-- 
Ross Lagerwall