Re: optimizing method dispatch

[James W. W. <os...@jw...>]

On Apr 20, 2004, at 5:09 AM, Roger Holmes wrote:

> Dair has excellent hearing. That will be good, I will try to do you 
> another
> instalment, the one which optimises the dispatching inside 
> Q3ObjectDispose
> which is the main culprit.
>
> The only thing I think which is a bit of a negative is that the struct 
> of the instance
> data has to available to classes which inherit from it. I currently 
> put it into the
> E3.... .h file which I am afraid Dair will object to. If so, could we 
> put it in a file
> specifically for the task, E3...Instance.h or something?

How much of an improvement are you seeing?

I tried a simple approach of storing a few of the most heavily-used 
methods in the E3ClassInfo record.  This change improved the multibox 
frame rate by 6% or so, and the changes are confined to E3ClassTree.c.
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