Re: performance issues on win32

[Mark Mielke <mark mark mielke cc>]

On Sun, Mar 31, 2002 at 02:50:29AM +1000, Cameron Davidson csiro au wrote:
> Most of the speed problem seems to tie in with a poor match between
> the X11-GC basis for GDK and the MS_Windows DC.  A lot of the time
> seems to be spent creating and deleting pens and brushes and/or
> other objects.

> It might be possible to get some speed improvement by delaying
> object deletion until a different one is required, but this would be
> at the expense of added code complexity, and I suspect it might even
> be counterproductive in some cases.

If the CreatePen()/etc. functions are implemented with a very thin wrapper,
an LRU-type cache or similar should suffice quite acceptably. This is not
completely unlike "Memory Chunks" avoiding calls to malloc().

mark

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