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Re: Harlequin 1.2 still available?
Rainer Joswig <rainer.joswig@ision.net> wrote:
> In article <200006061653.MAA18047@life.ai.mit.edu>, Kim Barrett
> <kab@camellia.org> wrote:
>
> > I assume your speed complaints have to do with the development
> > environment. Such complaints were well deserved, particularly
> > running on PPC, where the initial technology release was running
> > emulated. The second TR, which was ported to a later PPC-native
> > version of MCL, was considerably better, though still had a lot of
> > room for improvement. Recall that the TR was essentially
> > pre-alpha. One of the areas where substantial improvement was
> > needed was in the performance of the development environment.
>
> MCL's speed made a big improvement with the introduction of the G3.
> It runs ten times faster on a 292 Mhz G3 compared to a 100 Mhz
> PowerPC 603e. The PowerPC version of the Apple Dylan IDE runs *very*
> fast on today's Macs.
Why is this? Is it because of general RISC-has-easier-code-generation
reasons, or is there some additional hardware support in PowerPC for
dynamic-language features. (IIRC, the Sun SPARC has hardware support
for tagged integer arithmetic.)
Neel
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