LispOS on a 68000

Rainer Joswig
Fri, 15 May 1998 22:03:30 +0200

At 12:21 Uhr -0700 15.05.1998, Mike McDonald wrote:

>>    I am curious, how did the old LispMs relate to the 68000, 68030,
>>    and 68040 speed wise?
>>    What type of processor, architecture, and amount of memory/storage?
>>    -Dave
>  The old LispM had specially designed processors that had support for
>operations that would be encountered in Lisp. It had support for
>stacks, GC, things like that. (There used to be some online docs about
>the architecture at the On-Line Symbolics Museum but the URL I have
>for it doesn't work anymore. :-() I'd guess off hand that the raw
>speed of the machine would be in the same general catagory as some of
>the older 68Ks. As for memory, my loaded XL1201 has 6MW of memory in
>it. The 3620s we used to use on a daily basis had 2 or 3MW in
>them. Typical disk in the desktop versions was 180-360MB. Our 3600
>file server had 450MB in it. So by today's standard, they were pretty
>pathetic. But oh what they could do with what they had! This type of
>machine is an excellant example of "It's not how much you have, it how
>you use it."

A MacIvory 3 is for many operations comparable to a 40 Mhz 68030
with MCL. For some operations it is faster.

I have a 3640 with a >600 MB Disk. Solid steal. ;-) 12 KG maybe?
The disk that is.

Rainer Joswig, Lavielle EDV Systemberatung GmbH & Co, Lotharstrasse 2b, D22041
Hamburg, Tel: +49 40 658088, Fax: +49 40 65808-202,
Email: , WWW: