From owner-freebsd-arch@FreeBSD.ORG Wed Dec 19 09:54:17 2012 Return-Path: Delivered-To: freebsd-arch@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 5A2D914F; Wed, 19 Dec 2012 09:54:17 +0000 (UTC) (envelope-from phk@phk.freebsd.dk) Received: from phk.freebsd.dk (phk.freebsd.dk [130.225.244.222]) by mx1.freebsd.org (Postfix) with ESMTP id D3CEE8FC13; Wed, 19 Dec 2012 09:54:16 +0000 (UTC) Received: from critter.freebsd.dk (critter.freebsd.dk [192.168.61.3]) by phk.freebsd.dk (Postfix) with ESMTP id AA90289EAF; Wed, 19 Dec 2012 09:54:09 +0000 (UTC) Received: from critter.freebsd.dk (localhost [127.0.0.1]) by critter.freebsd.dk (8.14.5/8.14.5) with ESMTP id qBJ9s8Kn014605; Wed, 19 Dec 2012 09:54:08 GMT (envelope-from phk@phk.freebsd.dk) To: Ian Lepore Subject: Re: API explosion (Re: [RFC/RFT] calloutng) In-reply-to: <1355873265.1198.183.camel@revolution.hippie.lan> From: "Poul-Henning Kamp" References: <50CF88B9.6040004@FreeBSD.org> <20121218173643.GA94266@onelab2.iet.unipi.it> <50D0B00D.8090002@FreeBSD.org> <50D0E42B.6030605@FreeBSD.org> <20121218225823.GA96962@onelab2.iet.unipi.it> <1355873265.1198.183.camel@revolution.hippie.lan> Date: Wed, 19 Dec 2012 09:54:08 +0000 Message-ID: <14604.1355910848@critter.freebsd.dk> Cc: Davide Italiano , Alexander Motin , phk@onelab2.iet.unipi.it, freebsd-current , "freebsd-arch@freebsd.org" X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 Dec 2012 09:54:17 -0000 -------- In message <1355873265.1198.183.camel@revolution.hippie.lan>, Ian Lepore writes : >On Tue, 2012-12-18 at 23:58 +0100, Luigi Rizzo wrote: >I'm not so sure about the 2^k precision. You speak of seconds, but I >would be worrying about sub-second precision in my work. It is a bad idea, and it is physically pointless, given the stabilities of the timebases available for computers in general. Please just take my word as a time-nut, and use a 32.32 binary format in seconds (see previous email) and be done with it. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.