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To: Tenchusatsu who wrote (126871)	2/7/2001 8:41:34 PM
From: Dan3	Read Replies (1) \| Respond to of 186894

Re: But with Foster running on workstation and server apps For streaming operations such as disk and network i/o, the Bandwidth of even PC133 is quite capable of keeping up with any SHV server's needs. So any limitations will still come from executing server applications doing things like database queries or jumping around in indexes while checking files for viruses. If P4's prefetch keeps loading the bus with 2 to 4 reads for every one called for by the software, it will require at least two time the memory bandwidth in order to provide the same performance as a PIII or Athlon. Dan

To: Tenchusatsu who wrote (126871)	2/8/2001 12:23:30 AM
From: milo_morai	Read Replies (1) \| Respond to of 186894

Tench, Server Apps are small amounts of data requests. So small Latency is very important. Workstations maybe okay with bandwidth hungry apps, but not Servers. Why else does INTC want Low Latency DDR for Servers over RamBUST. M.

To: Tenchusatsu who wrote (126871)	2/8/2001 1:44:42 AM
From: Petz	Read Replies (1) \| Respond to of 186894

RE: "Bandwidth is not a concern for P4" There were some benchmarks done on a P4 with a single channel of RDRAM and they were pretty awful. Similarly, just switching to PC600 from PC800 kills performance of a P4 system much more than switching to PC133 from DDR PC2100 on an Athlon system. This is true even though PC600 vs. PC800 RDRAM is only a 25% bandwidth reduction, but PC133 vs. PC2100 is a 50% reduction. So, I don't think its true that an SMP Athlon system will be "starved for bandwidth" as you assert. That's why DDR isn't really necessary on an Athlon system except for a few oddities like Quake 3. I can't comment on your assertion that "other features" will make a big difference on SMP Foster systems, because I don't know what these features are, or whether they will be better than "Palomino features," which I also know nothing about. Petz