Date: Mon, 25 Apr 2005 09:23:42 -0700 From: Marcel Moolenaar <marcel@xcllnt.net> To: Kirill Ponomarew <krion@voodoo.oberon.net> Cc: Kris Kennaway <kris@obsecurity.org> Subject: Re: FreeBSD 6 is coming too fast Message-ID: <657be6bca0955ea1d1571a92f074e43f@xcllnt.net> In-Reply-To: <20050425145206.GM91852@voodoo.oberon.net> References: <6.2.1.2.0.20050424204611.072105a0@64.7.153.2> <20050425010242.GA44110@xor.obsecurity.org> <6.2.1.2.0.20050424210422.03d22990@64.7.153.2> <20050425014453.GA59981@xor.obsecurity.org> <426C6B1D.3040704@elischer.org> <20050425061459.GA33247@xor.obsecurity.org> <20050425062106.GB91852@voodoo.oberon.net> <426CF3DE.4000409@samsco.org> <20050425144108.GK91852@voodoo.oberon.net> <426D0252.5050805@samsco.org> <20050425145206.GM91852@voodoo.oberon.net>
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On Apr 25, 2005, at 7:52 AM, Kirill Ponomarew wrote: > On Mon, Apr 25, 2005 at 08:44:34AM -0600, Scott Long wrote: >>> No, I'm not going to do it because of lack of knowledge, there are >>> people who have more experience with it than me. >>> >> Well, as I said in another email, switching to GCC 4 just because of >> dubious "25% faster" (faster at what? compiling? resulting generated >> code? crashing?) claims in the changelog is not a terribly good >> reason =-) > > 25% faster to compile the code, not running it. Not to pick on you, Kirill, but rather in general: That entirely depends on the optimization level and the configuration. I measured a small degradation (<5%) at -O3 on ia64. So, let's find out how the 25% compile-time performance improvement was achieved before we use it as an argument in any discussion, shall we? -- Marcel Moolenaar USPA: A-39004 marcel@xcllnt.net
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