Optimizing Squeak

Maloney johnm at wdi.disney.com
Wed Feb 24 23:47:33 UTC 1999


>> written such a program for the PPC, but I don't believe there are patchers
>> for most of the other Squeak platforms. As I recall, patching out the
>> bounds check speeds up the PPC VM by about 15-20% on bytecode-heavy
>> benchmarks. Folks maintaining other VM's might want to look into this
>> technique. (It only takes a few hours of studying assembly code listings to
>> figure out how to do this for a new architecture. See
>>
>>     Interpreter class>patchInterp:
>>
>> for an example of how to do it.
>
>Is it reasonable to assume that the 'official' PPC VM ships with this
>patch already applied?

It does.

	-- John





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