Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!samsung!zaphod.mps.ohio-state.edu!think!paperboy!meissner From: meissner@osf.org (Michael Meissner) Newsgroups: comp.arch Subject: Re: Computer time measurements (Was Re: 64 bits for times....) Message-ID: Date: 22 Aug 90 15:44:25 GMT References: <26012@bellcore.bellcore.com> <11187@alice.UUCP> <1990Aug22.044826.18572@portia.Stanford.EDU> Sender: news@OSF.ORG Organization: Open Software Foundation Lines: 17 In-reply-to: kevinw@portia.Stanford.EDU's message of 22 Aug 90 04:48:26 GMT In article <1990Aug22.044826.18572@portia.Stanford.EDU> kevinw@portia.Stanford.EDU (Kevin Rudd) writes: | I am unclear as to the self measuring precision required of a computer | system. For example, I don't see the relevence of marking file time | stamps to the 1ns increment... But I already see the need for at least microsecond resolution in filestamps. A second is fairly long these days with the faster processors, and things like make are forced to use second granualarity. Unfortunately, the POSIX committee doesn't agree with me, and outlawed extra fields in the stat/utime structures. -- Michael Meissner email: meissner@osf.org phone: 617-621-8861 Open Software Foundation, 11 Cambridge Center, Cambridge, MA, 02142 Do apple growers tell their kids money doesn't grow on bushes?