Article View: aus.computers.linux
Article #243Re: Dual processors ?
From: Greg Thiedecke
Date: Wed, 08 Jan 2003 09:32
Date: Wed, 08 Jan 2003 09:32
42 lines
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2909 bytes
can we all drop the aus.ads.forsale.used out of an offtopic discussion "George Bell" <MasterofTimeADim@netscape.net> wrote in message news:3E1B242E.8040703@netscape.net... > Floyd Davidson wrote: > > > George Bell <MasterofTimeADim@netscape.net> wrote: > > > >>warr wrote: > >> > >>>if a program is written for single CPU only, even though your OS is > >>>coordinating the 2 cpus and this program may be running on 2 cpus, but > >>>they are not running concurrently. they are still sequential > >>>processing. > >>> > >>> > >> > >>How do you know this is true for Linux? I don't believe that the load > >>balancing algorithm implemented for SMP by the Linux kernel will make > >>such bad decisions when allocating CPU time to the processes. > >> > > > > As the figures I just posted in a separate article shows, the > > SMP kernel is actually 2% faster (on this particular motherboard) > > than a non-SMP kernel. That is for sequential processing of the > > make job! With parallel processing running up to 4 processes at > > once, the non-SMP job took 1.7 times as long. > > > > > >>That just tells me that Windows sucks, which I already knew. > >> > > > > Exactly! > > > > > > Bravo! :-) Thanks for performing the tests and sharing the results > with us. Especially helpful for those of us who, like me, don't have a > dualie to compare to. > > George >
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 114381,acfea8e5e9ff6f15 X-Google-Attributes: gid114381,public X-Google-Thread: 102b32,acfea8e5e9ff6f15 X-Google-Attributes: gid102b32,public X-Google-Thread: 102983,acfea8e5e9ff6f15 X-Google-Attributes: gid102983,public X-Google-ArrivalTime: 2003-01-08 01:42:08 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!newsfeed.stanford.edu!cyclone.bc.net!newsfeed.media.kyoto-u.ac.jp!snewsf0.syd.ops.aspac.uu.net!nnrp1.ozemail.com.au!53ab2750!not-for-mail From: "Greg Thiedecke" <softwist@ozemail.com.au> Newsgroups: aus.computers.linux,comp.os.linux.hardware,aus.ads.forsale.computers.used References: <pan.2003.01.03.13.58.10.249319@iprimus.com.au> <av578p$c8s17$1@ID-99293.news.dfncis.de> <av5qtf$tcf$1@lust.ihug.co.nz> <fbf82913.0301040421.1a35bdfa@posting.google.com> <3E178C63.7040901@netscape.net> <3E1797D0.4050907@netscape.net> <fbf82913.0301052133.36e2aee9@posting.google.com> <3E19F971.5080005@netscape.net> <87vg11x9hn.fld@barrow.com> <3E1B242E.8040703@netscape.net> Subject: Re: Dual processors ? Lines: 44 X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Message-ID: <nfSS9.163$Yy4.8654@nnrp1.ozemail.com.au> Date: Wed, 8 Jan 2003 19:32:37 +1000 NNTP-Posting-Host: 210.84.187.16 X-Trace: nnrp1.ozemail.com.au 1042018387 210.84.187.16 (Wed, 08 Jan 2003 20:33:07 EST) NNTP-Posting-Date: Wed, 08 Jan 2003 20:33:07 EST