Hardware/CPU Thoughts (Was: Re: system usage stats )
От | The Hermit Hacker |
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Тема | Hardware/CPU Thoughts (Was: Re: system usage stats ) |
Дата | |
Msg-id | Pine.BSF.4.21.0005041133570.51171-100000@thelab.hub.org обсуждение исходный текст |
Ответ на | Re: system usage stats (Was: Re: Why Not MySQL? ) (Thomas Lockhart <lockhart@alumni.caltech.edu>) |
Список | pgsql-hackers |
On Thu, 4 May 2000, Thomas Lockhart wrote: > > > A Celeron is basically a PII with 128k of full-speed cache. NOT a > > > server processor, I know but sadly I can't do much about it at this > > > point.. It's my understanding that "we" want to wait for an AMD board > > > that has a 64-bit PCI slot because "we" don't like the i840 chipset > > > for some reason "we" can't understand. > > Can someone out there that understands CPUs help me out here? My > > understanding is that Intel vs AMD has benefits depending on > > use. Unfortunately, I don't recall how it goes ... as a server, Intel is > > faster, and for graphics processing, AMD is ... or something like that? > > >From what I've read, the extra cache in the PII/III gives you a 5% > boost over the Celeron (I'll guess more for some server apps). Intel > still sells the Xeon chips, which have a cache twice as big as the > PII/III, but I'm not sure the clock has kept pace and it was always > overpriced wrt performance. > > I don't remember which way the Intel/AMD thing goes, but most folks > won't notice a 5% difference in speed. > > Not that anyone asked, but imho the best price/performance x86 machine > has always been a dual processor box one or two clock jumps behind the > fastest available. You get ~80% more performance for ~5% more cost > than a uniprocessor at the fastest speed. I haven't looked recently to > see if there are now uniprocessor machines at the low end that can > beat the price/performance of the dual-processor setup. this is the sort of thing I've been moving towards as well ... went a little cheaper this last time with upgrading my home machine and have a Dual-Celeron ... quite happy with her so far ...
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