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!reader02.eternal-september.org!news.eternal-september.org!mx02.eternal-september.org!feeder.eternal-september.org!border1.nntp.ams1.giganews.com!nntp.giganews.com!buffer1.nntp.ams1.giganews.com!local2.nntp.ams1.giganews.com!news.giganews.com.POSTED!not-for-mail NNTP-Posting-Date: Sun, 10 Jan 2016 08:46:14 -0600 From: "Michael Erdmann" Newsgroups: comp.lang.ada Subject: Re: Everything You Know Is Wrong References: User-Agent: Mimo Usenet Browser - http://www.mimousenet.com/mimo/post Organization: Message-ID: <44ydnT2kpMMr8w_LnZ2dnUU78aOdnZ2d@giganews.com> Date: Sun, 10 Jan 2016 08:46:14 -0600 X-Usenet-Provider: http://www.giganews.com X-Trace: sv3-ARbGgjsD4ZPBJdau9ck3zKaAKCSGopNr1neyCKzn0Z8nsIyUxI8c3Ef96S8s8lWGqzzBoe3+PTItPQj!PdVIEMxPE12cE/R/A5UbbK2mDSOtqukkEzb+3yiFy2GK3MBmC1JsK6hdYIi591NDIa68R1sZfiRk X-Complaints-To: abuse@giganews.com X-DMCA-Notifications: http://www.giganews.com/info/dmca.html X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.40 X-Original-Bytes: 3524 Xref: news.eternal-september.org comp.lang.ada:29073 Date: 2016-01-10T08:46:14-06:00 List-Id: I think you forget the changes of the development ecosystem :-) "Some language" should relect this as well. /Michael BTW: All development organisationts are capable of creating code with error 1202. On 27 Dec 2015 01:37 AM ,"Jeffrey R. Carter" wrote: > When I started out in S/W development, I learned some rules, such as, "Integer > math is much faster than floating point," and, "Memory is scarce." > > In the 90s, processors began to typically have an FPU, and floating-point math > became as fast as integer, and in some cases, since it could proceed in parallel > with the CPU, faster. > > When computers began to commonly have RAM in quantities measured in GB rather > than KB or MB, memory ceased to be scarce, and things that were previously > laughable, such as > > type Int_Set is array (Integer) of Boolean; > for Int_Set'Component_Size use Boolean'Size; > > became possible (for a 32-bit Integer, Int_Set'Size would be 512 MB). What I > knew is wrong. > > Today we learn that memory is much faster than persistent storage. That may soon > be wrong, too. I've been reading about non-volatile memory research, and it > seems that in a few years NV RAM will be available as fast current RAM and as > persistent and durable as current disks. > > This will no doubt revolutionize computer architectures and programming > languages. Instead of computers with distinct memory and storage, there will > probably be computers with lots of NV RAM (1-10 TB?) but no disk. > > People will no doubt still want a hierarchical naming system for data stored in > that memory, but presumably S/W will map variables onto these "files". So > instead of the current "open, loop over read/modify/write, close" paradigm, we > might have something like > > type R is record ... > > type L is array (Positive range <>) of R; > > F: mapped L with File_Name => "name"; > > All_Records : for I in F'range loop -- or "of F" > > where the bounds of F will be determined from "name". A mechanism will be needed > for collections of heterogenous data as well. F would be equivalent to a > Direct_IO file with in-out mode. > > I would think that the Ada 2X project should be thinking about these things, and > wonder what others here think about them. > > -- > Jeff Carter > "He that hath no beard is less than a man." > Much Ado About Nothing > 132 -- Posted by Mimo Usenet Browser v0.2.5 http://www.mimousenet.com/mimo/post