Re: intel vs amd benchmark for pg server
От | Michael Loftis |
---|---|
Тема | Re: intel vs amd benchmark for pg server |
Дата | |
Msg-id | 3CC99E8E.4070309@wgops.com обсуждение исходный текст |
Ответ на | intel vs amd benchmark for pg server (postgres@vrane.com) |
Список | pgsql-general |
Yes but you keep comparing apples and oranges. Your benchmarks don't mean hardly anything CPU speed wise because you've got so many other variants. postgres@vrane.com wrote: >1. 64MB machines beat 192MB and 240MB machies. > >2. On 64 MB machine I tested on 5400rpm drive > and still much faster than athlon machine. > >3. On sis machine I am using a separete ati agp card > not the built in one and as a result > i am using all memory. > >You would expect AMD machines to be at least >slightly faster because cpu speed ratio are >about 2 or bigger. You might not expect >linear scaling but at least faster you know. > >Also as I said kernel compilation time >scales almost linearly with cpu speed > > > >On Fri, Apr 26, 2002 at 09:49:31AM -0400, P.J. Josh Rovero wrote: > >>A fairer test would be to equip the machines with equivalent >>disk (rpms and number) and RAM (amount and speed) configurations. >> >>SiS motherboards, particularly with on-board video, tend >>to be lower performance than boards with separate AGP/PCI >>video. >> >>postgres@vrane.com wrote: >> >>>Hi >>> >>>I would like to upgrade my production pg server from a machine with >>>following specs >>> celeron 900MHz, intel 810 motherboard, 512MB >>> pc 133 sdram memory, >>> PGDATA is on 2 ide 7200rpm drives under software raid 1, >>> linux kernel 2.4.18 >>> >>. >>. >>. >> >>>My workstation specs is amd 1.33GHz, 192MB SDRAM, SIS motherboard, >>>$PGDATA is on a single 5400rpm drive. >>> >>-- >>P. J. "Josh" Rovero Sonalysts, Inc. >>Email: rovero@sonalysts.com www.sonalysts.com 215 Parkway North >>Work: (860)326-3671 or 442-4355 Waterford CT 06385 >>*********************************************************************** >> > >---------------------------(end of broadcast)--------------------------- >TIP 5: Have you checked our extensive FAQ? > >http://www.postgresql.org/users-lounge/docs/faq.html >
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