Optimizing Squeak

Jeffrey Chapman idolon at earthlink.net
Wed Feb 24 23:35:10 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?

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