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From: caf@omen.UUCP (Chuck Forsberg WA7KGX)
Newsgroups: comp.sys.m68k,comp.sys.intel
Subject: Re: 386 vs 020 and big benchmarks (sieve)
Message-ID: <527@omen.UUCP>
Date: Sat, 25-Apr-87 19:21:48 EDT
Article-I.D.: omen.527
Posted: Sat Apr 25 19:21:48 1987
Date-Received: Sun, 26-Apr-87 22:52:53 EDT
References: <930@intsc.UUCP> <513@omen.UUCP> <933@intsc.UUCP> <523@omen.UUCP> <6011@ism780c.UUCP> <526@omen.UUCP> <6048@ism780c.UUCP>
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Organization: Omen Technology Inc, Portland Oregon
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Xref: mnetor comp.sys.m68k:410 comp.sys.intel:199

In article <6048@ism780c.UUCP> tim@ism780c.UUCP (Tim Smith) writes:
:In article <526@omen.UUCP> caf@omen.UUCP (Chuck Forsberg) writes:
::: I just tried this.  Under V.3 on a 16Mhz 386 ( Intel production board,
::: with a 387, which shouldn't matter ), I get 12.6 real, 11.2 user, .6
::: system.  bc was compiled with rcc. 
:::
:: Assuming the "Intel Production Board" you refer to is the "386 AT Clone"
:: motherboard, your 11.2 second user time represents a 100 per cent
:: improvement in code execution speed over Xenix code running on the 386
:: toolkit (factoring the 18 mHz vs 16 mHz speed).
:
:Nope, it is not a 386 AT clone.  It is a Multibus board.  I wonder if the
:bus on it is twice as wide as AT clone bus?  That would explain the factor
:of two.

Nope, the Intel 386 AT cloneboard uses 32 bit data paths to the 2.5 MB of ram
(512k on the board, 2 MB on an Intel dual banked 32 bit plug in).