[RFI]Mac performance gap between OS-9 and OSX

tblanchard at mac.com tblanchard at mac.com
Tue Aug 5 15:22:05 UTC 2003


Have you tried Ian's unix vm?


On Tuesday, August 5, 2003, at 09:13  AM, Karsten Wolf wrote:

> Hi,
>
> has anybody investigated the BitBlt performance difference in 
> line-drawing between OS-9 and OSX?
>
> For (an extreme) example:
>
> TimeProfileBrowser onBlock: [
> 	Display fillWhite.
> 	1 to: 4 do: [:i | Pen new color: i; turn: 90*i; dragon: 14]]
>
> results on my machine (PBG4 886MHz):
>
> 	OS9: 6.7s
> 	OSX: 455s
>
> 	OSX CocoaSqueak: 479s
>
> Tested with various VMs up to 3.5.2b1.
>
> OS9 is nearly 70 times faster than OSX...
>
> It gets weirder when you just run the "Squeak 3.5.2b1 Classic" (taken 
> out of the package) in the Classic environment. It has nearly the same 
> fast timing as when started under OS9 even though a restore Display in 
> that environment takes nearly 2s!
>
> Any ideas?
>
> karsten
>
>



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