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=unavailable autolearn_force=no version=3.4.4 Path: eternal-september.org!reader01.eternal-september.org!.POSTED!not-for-mail From: G. B. Newsgroups: comp.lang.ada Subject: Re: Why couldn't an operating system be written in ada Date: Thu, 28 Feb 2019 06:23:13 -0000 (UTC) Organization: A noiseless patient Spider Message-ID: References: <4s8rud$9j3@tribune>#1/1> <67b7e60f-2750-4982-ab03-4f04178dd739@googlegroups.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Injection-Date: Thu, 28 Feb 2019 06:23:13 -0000 (UTC) Injection-Info: reader02.eternal-september.org; posting-host="97d6eb13114f4fa82148a80b0bec806f"; logging-data="1432"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+/t9hutols3BU7ogsoGXeD9FTRLqtF7OE=" User-Agent: NewsTap/5.3.3 (iPhone/iPod Touch) Cancel-Lock: sha1:59N0QaO+PUm3N8CORLtezP4Asts= sha1:mwDcvk+2ygGdAQnxK+Op4tzI8iA= Xref: reader01.eternal-september.org comp.lang.ada:55715 Date: 2019-02-28T06:23:13+00:00 List-Id: Patrick Jakubowski wrote: > I am curious myself if I could prepare and provoke ADA to keep data > structures in L1 cache. > You can. (I wouldn‘t know, though, how to have the ADA (organization) store things in a cache.) The idea is that Ada (the language) lets the programmer express, with relative ease, what needs to be known to safely disable checks. And then, also, the run-time system can be minimized, even zeroed.