Article View: comp.sys.amiga.tech
Article #12108Re: New stuff
From: Colin Plumb
Date: Wed, 05 Apr 1989 05:32
Date: Wed, 05 Apr 1989 05:32
17 lines
1253 bytes
1253 bytes
king@dretor.dciem.dnd.ca (Stephen King) wrote: > Excuse me if this seems like a foolish question, but how do they get > 120 MOPS with a (maximum) 50MHz clock speed? I could understand an > instruction executed on both the rising and falling edges of the clock, but > that is still less than 120 MOPS. They have a special mode where the processor reads 64 bits of instruction per cycle and executes one intger op and one f.p. op. And the f.p. op can be a multiply-accumulate, which they count as two FLOPs. Thus, 150 MOPS peak at 50 MHz. In reality, of course... I posted more information than you probably want to know about the N-10/i860/80860 to comp.arch a while ago. Mail me if you want a copy. -- -Colin (uunet!microsoft!w-colinp) "Don't listen to me. I never do." - The Doctor
Technical Details
Message-ID:
<1233@microsoft.UUCP>Path:
arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ames!lll-winken!uunet!microsoft!w-colinpReferences:
<2017.AA2017@panchax> <846@savax.UUCP> <1619@dretor.dciem.dnd.ca>Show Full Headers
Complete Article Headers
Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ames!lll-winken!uunet!microsoft!w-colinp From: w-colinp@microsoft.UUCP (Colin Plumb) Newsgroups: comp.sys.amiga.tech Subject: Re: New stuff Keywords: i860 Message-ID: <1233@microsoft.UUCP> Date: 5 Apr 89 05:32:01 GMT References: <2017.AA2017@panchax> <846@savax.UUCP> <1619@dretor.dciem.dnd.ca> Reply-To: w-colinp@microsoft.uucp (Colin Plumb) Organization: very little Lines: 17