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Subject: Re: $333.70 per elo point over my pc..

Author: Jeremiah Penery

Date: 19:48:35 02/23/03

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On February 23, 2003 at 21:25:04, Robert Hyatt wrote:

>On February 23, 2003 at 01:50:31, Jeremiah Penery wrote:
>
>>On February 23, 2003 at 00:53:51, Robert Hyatt wrote:
>>
>>>On February 22, 2003 at 20:06:44, Jeremiah Penery wrote:
>>>
>>>>If you don't like SPEC, look at TPC numbers.
>>>
>>>Let's back up to reality a minute.  Servers have one type of requirement.
>>>workstations have another.  I'm not about to talk about the PC platform as
>>>a high-performance server. It is _not_.  The raw PCI bus is completely
>>>unable to sustain the kind of bandwidth that the high-end server market is
>>>all about, and that is a problem.  Doesn't matter how fast the CPU goes.
>>>
>>>Just compare the I/O bandwidth of "server machines" with the I/O bandwidth
>>>of a PC and you will see what I mean.
>>
>>Do you have any clue what TPC benchmarks are all about?  No, I thought not.  TPC
>>are SERVER benchmarks, heavily stressing on I/O performance!
>
>And look at the machines you quote.  Who cares about a machine that is a big
>cluster of slow machines that can handle a large TPC?  Just because such
>cluster architectures dominate some particular niche, doesn't mean they work
>for all large server applications.
>
>Dunn and Bradstreet in NY comes to mind.  But so do others.
>
>
>Any time you want to compare I/O throughput on any PC of your choice against
>an alpha server here, I'll provide some benchmark data.  But we are talking
>about a database that is _not_ split into tiny parts on a pile of PCs.  One
>database, on one machine, spread over say 64 drives...
>
>The PC simply doesn't address that market.  The NUMA Itaniums are up there
>of course but they aren't PCs.

You seem to be ignoring that TPC-W has non-clustered x86 machines in the lead.



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