Make LispM code FREE (fwd)
The Weasel
weasel@cs.stanford.edu
Wed, 01 Apr 1998 16:10:17 -0800
At 01:45 PM 4/1/98 , William A. Barnett-Lewis wrote:
>P. T. Withington wrote:
>> On 4/1/98 15:22, William A. Barnett-Lewis wrote:
>> >P. T. Withington wrote:
>> >> On 3/31/98 23:41, Chris Hanson wrote:
>> >> >At 10:05 PM -0600 3/31/98, Chris Bitmead wrote:
>(CHOMP)
[ .. Deletia .. ]
>> The big
>> hit on performance was emulating a 40-bit word on a 32-bit machine.
>> Alpha makes that easier, being a 64-bit machine.
>Ah. The word size differences; that makes somewhat more sense. Would
>this allevied by the P2 and PPC being 64 bit internally?
The PII does not expose 64 bit #'s, and I don't think that any of the
common PowerPC's have 64 bit stuff exposed (it has been a while since i
looked).
>They would
>still be choked by the bus width, but it shouldn't be as big a hit as
>emulating 40 bits in 32.
I think that their buses, however, are wider so that they can do bursting
easier.
\p
--
The game of life is not so much in holding a good hand
as in playing a poor hand well. -- H. T. Leslie