Date: Wed, 27 Feb 2008 13:50:48 +0100 From: Joerg Sonnenberger <joerg@britannica.bec.de> To: freebsd-hackers@freebsd.org Subject: Re: emulate an end-of-media Message-ID: <20080227125048.GE352@britannica.bec.de> In-Reply-To: <20080226160000.624c5d0f@bhuda.mired.org> References: <op.t63j2veq724k7f@martin> <20080225154455.4822e72a@bhuda.mired.org> <47C33384.6040701@dial.pipex.com> <200802252243.m1PMhTeq016201@fire.js.berklix.net> <47C3A228.7090703@freebsd.org> <op.t65acy13724k7f@martin> <20080226202853.GA859@britannica.bec.de> <20080226160000.624c5d0f@bhuda.mired.org>
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On Tue, Feb 26, 2008 at 04:00:00PM -0500, Mike Meyer wrote: > On Tue, 26 Feb 2008 21:28:53 +0100 Joerg Sonnenberger <joerg@britannica.bec.de> wrote: > > On Tue, Feb 26, 2008 at 07:44:48PM +0100, Martin Laabs wrote: > > > I also made a comparison between gzip and bzip2 regarding > > > the compression ratio on a dump of my home directory (3.2GB) > > > bzip2 took about 74min to compress, gzip only 11minutes. And > > > in terms of compression ratio bzip2 was only 3% better than > > > gzip. > > That's not a realistic test case. bzip2 normally takes trice the time > > and compresses 10% better. I can't comment on compress. > > Considering we're talking about compression methods to use on dump > output, that would seem to be the definition of a "realistic test > case". Telling us what it "normally" does without defining what input > is considered "normal" doesn't help much. Source code in my case and various other documents. The test case above certainly was not normal. Joerg
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