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- Newsgroups: comp.arch
- Path: sparky!uunet!think.com!yale.edu!newsserver.jvnc.net!newsserver.technet.sg!ntuix!eoahmad
- From: eoahmad@ntuix.ntu.ac.sg (Othman Ahmad)
- Subject: Re: HOw many PC's make an Amdahl mainframe
- Message-ID: <1993Jan28.041039.9748@ntuix.ntu.ac.sg>
- Organization: Nanyang Technological University - Singapore
- X-Newsreader: TIN [version 1.1 PL8]
- References: <9301271650.AA13180@iecc.cambridge.ma.us>
- Date: Thu, 28 Jan 1993 04:10:39 GMT
- Lines: 24
-
- John R. Levine (johnl@iecc.cambridge.ma.us) wrote:
-
- : Maybe and maybe not. I've seen plausible claims that when you're handing
- : data bases, 10 systems of capacity N are no substitute for one system of
- : capacity 10N, mostly because the slower systems hold each lock 10 times as
- : long so you get considerably more lock contention.
-
- How about interrupt processing ability? Shouldn't PCs be able to handle more
- interrupts than a mainframe?
- My initial rough study do not indicate a clear lead but my gut feelings
- tell me that this should be.
- Anyone had done a more concerete study on this?
-
- : Is there any reason to think this isn't true? I realize that for slowly
- : changing data, e.g. schedules and fares in an airline system, you can
- : replicate and partition the data, but they do that on mainframes, too.
-
-
- --
- Othman bin Ahmad, School of EEE,
- Nanyang Technological University, Singapore 2263.
- Internet Email: eoahmad@ntuix.ntu.ac.sg
- Bitnet Email: eoahmad@ntuvax.bitnet
-
-