Date: Mon, 15 Mar 2004 19:48:21 -0500 (EST) From: "Mike Jakubik" <mikej@rogers.com> To: "Max Laier" <max@love2party.net> Cc: net@freebsd.org Subject: Re: Byte counters reset at ~4GB Message-ID: <2697.192.168.0.200.1079398101.squirrel@192.168.0.1> In-Reply-To: <20040316004046.GA74287@router.laiers.local> References: <2650.192.168.0.200.1079393908.squirrel@192.168.0.1> <20040316000153.GA73860@router.laiers.local> <2662.192.168.0.200.1079396323.squirrel@192.168.0.1> <20040316004046.GA74287@router.laiers.local>
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Max Laier said: > Sure, you measure it ;) ... no, of course it is more expensive to update a > 64bit counter on a 32bit arch, but the key (once again) is descision: > While > (almost) all of the pf counters are 64bit types you can configure it not > to > use the loginterface or whatsoever more. So it's up to you: You need 64bit > counters? You shall have them! You need *fast* 64bit counters? AMD sells > nice processors (they say)! ... you get the idea. Got it. In just curious though... realistically, how big of an impact on performance is this on a modern CPU? Is it not simply the original 32bit calculation x 2?
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