Author: Jeremiah Penery
Date: 17:06:44 02/22/03
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On February 22, 2003 at 17:31:35, Robert Hyatt wrote: >On February 22, 2003 at 01:49:45, Jeremiah Penery wrote: > >>If Xeon suddenly clocked up to 5GHz tomorrow, and all other chips stayed the >>same, it would certainly begin eating into that market segment. Assuming >>something near linear scaling, a 5GHz P4 would have SPECint and SPECfp near >>1800. That's _twice_ as fast in SPECint as any currently released "server" >>processor (POWER/Alpha/Itanium), and almost 25% faster in SPECfp than _any_ >>processor. > >SPEC is not that important for servers. Ditto for mainframes. I/O is the If you don't like SPEC, look at TPC numbers. In TPC-C, the machine currently with the best price/performance ratio is a 2.4GHz P4 machine. The machine with the highest total score is a 272 processor P3-900MHz Xeon cluster. In TPC-H, using the 3TB and 10TB database sizes, the machines with highest submitted results are both 128 processor 2.8GHz P4 Xeon clusters. And, finally, on TCP-W, x86 machines (not clusters) win in both the 10k (8p 1.6GHz XeonMP) and 100k (16p 900MHz Xeon) item tests. >name of the game, and multiple channels/busses is the issue. The PC is still >a PC, whether it is 500mhz or 50ghz. Of course they're not suited to some kinds of big-iron tasks, but there are several types of server workloads that they do handle very well.
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