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- Newsgroups: comp.arch
- Path: sparky!uunet!europa.asd.contel.com!darwin.sura.net!jvnc.net!nuscc!ntuix!eoahmad
- From: eoahmad@ntuix.ntu.ac.sg (Othman Ahmad)
- Subject: Re: DEC Alpha AXP System INTEGER Performance
- Message-ID: <1992Nov16.055833.14566@ntuix.ntu.ac.sg>
- Organization: Nanyang Technological University - Singapore
- X-Newsreader: TIN [version 1.1 PL6]
- References: <1698@niktow.canisius.edu>
- Date: Mon, 16 Nov 1992 05:58:33 GMT
- Lines: 19
-
- Greg Pavlov (pavlov@niktow.canisius.edu) wrote:
- : The SPECint92 values seem somewhat low, in terms of processor MHz. Any
- : known reasons why ? Essentially, our R3000-based systems, at 40 MHz,
- : have a SPECint92 (measured by DEC) that is apx. 40% of an ALPHA-based
- : system at 133 MHz.
- The bus clock for alpha is much lower. If I remember correctly it is only
- half that or even worse(33Mhz?).
- With 64 bits, the amount of data and instruction that can be cached
- is much smaller so the internal cache is not as effective as many people
- thought, especially in this newsgroup.
- This is only a very wild guess. How about dhryston performance?
- It may tell us more about the cache performance.
-
- --
- Othman bin Ahmad, School of EEE,
- Nanyang Technological University, Singapore 2263.
- Internet Email: eoahmad@ntuix.ntu.ac.sg
- Bitnet Email: eoahmad@ntuvax.bitnet
-
-