3 new mac VMs + pending Mac VM...
John M McIntosh
johnmci at smalltalkconsulting.com
Tue Oct 10 20:41:36 UTC 2000
>On Mon, 9 Oct 2000, John M McIntosh wrote:
>
>> >Are these VMs optimized at all? Does CodeWarrior (or MPW?) allows for any
>> >general optimization (ala gcc -On) or specific G3 or G4 (AltiVec)
>> >optimization?
>>
>> Yes these VM's are optimized for 603 CPUs. I'll consider looking at
>> the 750 optimization for the next version, but remember lots of
>> schools have 604 or less machines, goodness even rows of SE/30's. So
>> some more testing is required to decide which is the best Code
>> Warrior optimization level *and* target CPU for the general class of
>> machines that Squeak runs on, testing in Aug showed that some obvious
>> choices did NOT produce the best results.
>
>I understand that not everyone has a G3 or G4- but is there any way to
>release another build, perhaps optimized for G3 or G4? It would be
>especially useful for us with G4 if CodeWarrior does any automagic AltiVec
>optimization.
>
>Aaron
Well
1) There is NO! automagic AltiVec optimization... You must handcraft
either special C constructs or write nifty Assembler...
2) Building a specific 750 version of Squeak doesn't buy much, but
I'll revisit the question...
--
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John M. McIntosh <johnmci at smalltalkconsulting.com> 1-800-477-2659
Corporate Smalltalk Consulting Ltd. http://www.smalltalkconsulting.com
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Custom Macintosh programming & various Smalltalk dialects
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