Hi Vaclav,
On 03-Apr-00 you wrote: [voyager] Re: What do you want in Voyager?
> Hmm when you compare PPC datatypes and 68k ones, there is big
> difference in speed. I can`t see the reason, why should be PPC image
> decoders slower. Maybe bad written in Aweb ???
It's not that they're badly written but the fact that most PPC
programs need to call OS functions at some point during their
execution (i.e. to render into a window, etc.). Since the OS/ROM is
not written in native PPC code, but instead m68k, a context switch
between the two processors needs to be performed and caches flushed,
for every OS call. These switches cause a lot of overhead and can
greatly kill performance. Unless careful programming is used.
The joys of programming hybrid CPUs. :/
Regards, Andrew Bell.
--
+----------------------------------------+
email: mailto:[EMAIL PROTECTED]
web: http://www.andrewb.exl.co.uk
+----------------------------------------+
The wild and the young they all have their dreams, they gotta be
free.-QR
____________________________________________________________
Voyager Mailing List - Info & Archive: http://www.vapor.com/
For Listserver Help: <[EMAIL PROTECTED]>, "HELP"
To Unsubscribe: <[EMAIL PROTECTED]>, "UNSUBSCRIBE"
