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- From: prener@watson.ibm.com (Dan Prener)
- Subject: Re: Superscalar vs. multiple CPUs ?
- Sender: news@watson.ibm.com (NNTP News Poster)
- Message-ID: <PRENER.92Dec12010123@prener.watson.ibm.com>
- In-Reply-To: norm@netcom.com's message of Fri, 11 Dec 1992 06:00:38 GMT
- Date: Sat, 12 Dec 1992 06:01:23 GMT
- Disclaimer: This posting represents the poster's views, not necessarily those of IBM
- References: <1992Dec10.002348.24894@nas.nasa.gov>
- <1992Dec10.101343.4381@shannon.ee.wits.ac.za>
- <1992Dec10.173032.1418@twisto.eng.hou.compaq.com>
- <1992Dec11.060038.27494@netcom.com>
- Nntp-Posting-Host: prener.watson.ibm.com
- Organization: IBM T.J. Watson Research Center, Hawthorne, New York
- Lines: 12
-
- In article <1992Dec11.060038.27494@netcom.com> norm@netcom.com (Norman Hardy) writes:
-
- > How about sharing expensive functional units (multiply, divide,
- > DES) between processors on the same chip. This gives the economic
- > advantages of heterogeneous processors (division of labor) without
- > the software pain. The processors would appear to the operating
- > system as CPUs sharing memory. Indeed this approach makes special
- > purpose hardware more attractive as functional units.
-
- Doesn't that make saving the state of a processor somewhat complicated?
- --
- Dan Prener (prener@watson.ibm.com)
-