Path: utzoo!mnetor!uunet!lll-winken!lll-tis!oodis01!uplherc!sp7040!obie!wes
From: wes@obie.UUCP (Barnacle Wes)
Newsgroups: comp.sys.atari.st
Subject: PC-Ditto and Norton SI (was About Atari's, Mac's, and IBM's)
Message-ID: <171@obie.UUCP>
Date: 24 Apr 88 18:36:46 GMT
References: <213@bdt.UUCP> <116@avsd.UUCP>
Organization: the Well of Souls
Lines: 21
Summary: Noroton SI only gives *CPU performance index*

In article <116@avsd.UUCP>, govett@avsd.UUCP (David Govett) writes:
> We tested pc ditto here, and it has a Norton of index of .3, which
> means .3 x 4.77 MHz.  Still, it's fast enough for most tasks and
> completely compatible so far.  

Remember the Norton SI only rates raw CPU performance.  It does not
rate any of the system calls.  The PC-Ditto system calls seem to
mainly consist of taking the correct parameters out of the "8088
registers" and pushing them on the stack, then calling GEMDOS.  At any
rate, they are pleasingly fast.

If you want a more realistic test for what most people would use
PC-Ditto for, load Ditto, start your favorite MS-DOS word processor
(if there is such a creature! :-), and then load and save a large
file.  Now go try the same test on the same file.  THIS will give you
the relative performance figures for the PC and ST/Ditto.  Do the same
with all the software you normally use.
-- 
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