Date: Mon, 24 May 2004 08:27:07 -0700 From: JG <amd64list@jpgsworld.com> To: freebsd-threads@freebsd.org Subject: Re: Why is MySQL nearly twice as fast on Linux? Message-ID: <5.2.0.9.2.20040524081943.0343ec68@mail.ojoink.com> In-Reply-To: <20040524144545.GA1378@voi.aagh.net> References: <5.2.0.9.2.20040523200223.01583468@mail.ojoink.com> <5.2.0.9.2.20040523103738.01563ed0@mail.ojoink.com> <5.2.0.9.2.20040522052606.0156fd70@mail.ojoink.com> <5.2.0.9.2.20040521154458.01627688@127.0.0.1> <5.2.0.9.2.20040521154458.01627688@127.0.0.1> <5.2.0.9.2.20040522052606.0156fd70@mail.ojoink.com> <5.2.0.9.2.20040523103738.01563ed0@mail.ojoink.com> <5.2.0.9.2.20040523200223.01583468@mail.ojoink.com>
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At 03:45 PM 5/24/2004 +0100, you wrote: >* JG (amd64list@jpgsworld.com) wrote: > > > At 01:18 AM 5/24/2004 +0100, you wrote: > > > Well, super-smack isn't that effecient; with 30 clients you'll be > > > getting 30 copies of it (perl I think) > > > > It's written in C++ ... you might want to minimally know what language > > an application is written in before you pass judgements on it or make > > statements of it's efficiency :-/ > >Hm... not sure where I got perl from; I even remember compiling it. It >still sucks quite a bit of CPU, either way, although top could be >misleading me. The benchmarking util that JeremyZ originally wrote was written in Perl. Maybe you were thinking of that. >Still, if we're going to be comparing with results from Linux which are >near the peak of it's performance curve we don't want to be running in >the middle of our much lower one. Why would you assume Linux is near the peak of it's performance curve? Nobody that I have seen so far, including myself, has even tried to tweak Linux or MySQL on Linux beyond and out-of-the-box installation to get results that far exceed the performance of FreeBSD. So to the contrary, it is more likely to be the Linux results that are near the middle or lower end, and FreeBSD's which we are hitting peak performance (trying -CURRENT with every tweak and variation available). > > No more help from you please. > >No, at least not late at night after not having a caffeine fix for about >8 hours. It doesn't help that Debian's rotting my brain now *sulk* Yeah I'm sorry I flamed you there... I'm just very frustrated over here.
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