Technology of the technologies (WAS: A Lisper asks, "Am I supposed to like Smalltalk?")

Lic. Edgar J. De Cleene edgardec2001 at
Thu May 18 10:10:30 UTC 2006

tim Rowledge puso en su mail :

> That's (indirectly) been done since 1984 or thereabouts. Peter
> Deutsch and Allan Schiffman did the work at PARQ and wrote a very
> famous paper for POPL (L. Peter Deutsch and Allan M. Schiffman,
> "Efficient Implementation of the Smalltalk-80 System", Conference
> Record of the Eleventh Annual ACM Symposium on Principles of
> Programming Languages, January 1984, pp. 297--302)
> This was a specialized VM targetted at the 68k architecture and a
> couple of years later it was redone and extended and made portable as
> part of developing ParcPlace's HPS VM. At various times that has run
> (to my knowledge) on 68k, 386/486/pentium/blahblah, PPC, POWER, ARM,
> MIPS under a wide range of OSs. I did the first working ARM version
> in '94.
> HPS compiles Smalltalk to bytecodes and then the VM converts those to
> quite well optimised machine code at need; it was a JIT many years
> before the javanauts made the term popular.
Several times I dreamed about this, as Sebastian said.
Could be found the VM somewhere ?
PPC version preferible.

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