• Subject: Re: Record Length - Trivia
  • From: John P Carr <jpcarr@xxxxxxxxxxxx>
  • Date: Thu, 14 Oct 1999 20:07:05 -0400


John P Carr wrote:
> 
> >>John P Carr wrote:
> >> TRIVIA QUESTION;
> >> If there were such a thing as an optimal record length what would it be
?

> 
>> Something like that.  On the CISC machines,  John Sears once said it
would
>> be 31 bytes because of something like you said.

>John:
>I can't remember that "cute" number(nobody cares anymore) but I "think"
>it was 256 for the CISC and it jumped to 512 for the risc... but I been
>wrong before. Back before we had machines with a gazillion disk bytes,
>I paid attention to that sort of thing..
Pat Barber

I think you were thinking of memory page size. The memory page size on the
CISC(and Sys/38) was 512.
(That is why it made sense to make character D/A's in multuples of 512
cause that is what they would take up anyway)

But the Risc changed to 4096 memory page size.    It's all meaningless now.


John Carr


+---
| This is the Midrange System Mailing List!
| To submit a new message, send your mail to MIDRANGE-L@midrange.com.
| To subscribe to this list send email to MIDRANGE-L-SUB@midrange.com.
| To unsubscribe from this list send email to MIDRANGE-L-UNSUB@midrange.com.
| Questions should be directed to the list owner/operator: david@midrange.com
+---

This thread ...


Follow On AppleNews
Return to Archive home page | Return to MIDRANGE.COM home page

This mailing list archive is Copyright 1997-2019 by midrange.com and David Gibbs as a compilation work. Use of the archive is restricted to research of a business or technical nature. Any other uses are prohibited. Full details are available on our policy page. If you have questions about this, please contact [javascript protected email address].