RE: performance issues on win32

[Cameron Davidson csiro au]

> -----Original Message-----
> From: Tor Lillqvist [mailto:tml iki fi] 
> 
> (If I understand your table correctly) you see a significant 
> performance difference between GDK 1.3.0 (the gtk-1-3-win32-production
> branch) and 2.0, the latter being slower. This is expected, 
> as the win32-production branch implements a cache for Windows 
> DCs, exactly for performance reasons. The cache code was 
> written by the people at archaeopteryx.com. I haven't copied 
> the cache code to 2.0, as I feel it could be cleaned up a 
> bit, and I am not 100% sure that it works correctly in all cases.
> 
> --tml
>

Yes, that interpretation is correct.
The cached DC fits with most of the observed variation between
win32-production and 2.0.
The results also suggest that there might be room for further optimisation,
but I've not looked at the 1.3.0 source.

Cameron.