From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Thread: 103376,8c564a80b820db35 X-Google-NewGroupId: yes X-Google-Attributes: gida07f3367d7,domainid0,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit Received: by 10.68.74.201 with SMTP id w9mr255117pbv.0.1331069846021; Tue, 06 Mar 2012 13:37:26 -0800 (PST) Path: h9ni47259pbe.0!nntp.google.com!news1.google.com!goblin1!goblin.stu.neva.ru!eternal-september.org!feeder.eternal-september.org!mx04.eternal-september.org!.POSTED!not-for-mail From: Simon Wright Newsgroups: comp.lang.ada Subject: Re: Any leap year issues caused by Ada yesterday? Date: Tue, 06 Mar 2012 21:37:24 +0000 Organization: A noiseless patient Spider Message-ID: References: Mime-Version: 1.0 Injection-Info: mx04.eternal-september.org; posting-host="dFCm8HWntFqmDIilBLqEJQ"; logging-data="20039"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19yeRF1L0CbN68786kJQYDviWczv3eZu00=" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.3 (darwin) Cancel-Lock: sha1:zuMgv04PXZQ5UKfONGF8he7j+Es= sha1:NPpluOB9jhBdANwgwhHOnjiPvRI= Content-Type: text/plain; charset=us-ascii Date: 2012-03-06T21:37:24+00:00 List-Id: tmoran@acm.org writes: >> Otherwise you have to compensate the deviation, which could well be as big >> as 5 microseconds per second. > Where do you find PCs with such a good clock? PCs of my acquaintance > typically have a performance counter error of a few seconds/day, which > is more like 5 times that bad. We used this - http://defense.ge-ip.com/products/2113 - the clock deviation on the datasheet was 50 ppm AFAICR.