Date: Sat, 10 May 2008 09:10:37 +0200 (CEST) From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> To: Matthew Seaman <m.seaman@infracaninophile.co.uk> Cc: DAve <dave.list@pixelhammer.com>, 'User Questions' <freebsd-questions@freebsd.org> Subject: Re: FBSD 6.2 Xeon 2.4ghz CPU and high load Message-ID: <20080510090439.U58698@wojtek.tensor.gdynia.pl> In-Reply-To: <4824CEE7.6070605@infracaninophile.co.uk> References: <482473B7.7070707@pixelhammer.com> <48248AC9.5060507@infracaninophile.co.uk> <20080509202941.J53368@wojtek.tensor.gdynia.pl> <4824CEE7.6070605@infracaninophile.co.uk>
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>> and what most unix users do. > > It is what a lot of unix users have done historically, but now that there is and still most do. > It's not a "Unix way" versus "Other OS Way" thing -- its a response to the > change > in direction hardware development has taken over the past several years. > Chip on multichip hardware you can do many different things too - even faster as it's spread over cores. > and > how much cache RAM there is on each chip. 4 cores and 8MB is just the latest > step in that evolutionary arms race. that's much better than "more gigaherts" way. any unix should support it good - with any kind of load. today i see performance improvements are mostly towards synthetic benchmarks like running 8 threads of mysql server. it looks cool on paper, but we need good performance when running concurrently many different things. if one plan to use single one program - why unix at all? as i've tested 7.0 once, it was on same computer noticably slower under high load of different programs. now i read 6.* is slower than 4.* (i never user 4.*) isn't it something wrong with it?! > It depends very much on the application load you have to support and the sort > of hardware you have available. For the sort of multicore chips that are all > the > rage nowadays, I'd go with 7.0 every time, even running single threaded > applications. did you actually made a comparision with 6.*? not with "paper benchmarks" but just run 100 different things and check how responsive machine is.
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