[Q][VM][ENH][RFH][COMP] Request For Help : CompilerPlugin
Richard A. O'Keefe
ok at cs.otago.ac.nz
Tue Apr 9 00:22:57 UTC 2002
Karl Goiser <kgoiser at bigpond.net.au> wrote:
Speaking about compilers and the like, I was wondering if Squeak
would benefit from being run on a Java VM?
No. The JVM is very explicitly designed for a language which is
not "Objects all the way down". That is, it relies heavily on numbers
_not_ being objects. Lisp and Scheme people have noticed the same
The positives I can see are that they are already installed on heaps
>From what I've gathered in this list, Squeak is already on more.
they have JIT's and the like, it allows people to
concentrate on other areas of interest. I am sure there are a lot
Note that there is already a Smalltalk-on-JVM for those who want it.
The negatives are: if you don't have a JVM for your platform, you're
out of luck and we wouldn't be able to fiddle with the VM. Also, is
there some heresy here?
There's a non-sequitur there. Intel have an Open Source JVM implementation
(http://www.intel.com/research/mrl/orp); it should not be impossible to
adapt that to other architectures, and then we'd have a JVM we could fiddle
The only thing we'd gain is (SOMETIMES) a JIT, but it is far from clear
that the speedup would compensate for the slowdown due to the architectural
The really obvious thing is that Squeakers are ALREADY "concentrat[ing]
on other areas of interest"; you don't find thousands beavering away on
the Squeak Jitter.
More information about the Squeak-dev