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=-1.3 required=5.0 tests=BAYES_00,INVALID_MSGID autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,c9db882405e08110 X-Google-Attributes: gid103376,public From: Ehud Lamm Subject: Re: Large Look-up Table question ? Date: 1999/06/03 Message-ID: #1/1 X-Deja-AN: 485230774 References: <375299F4.CDEA8A81@hotmail.com> <3755a21c@eeyore.callnetuk.com> Content-Type: TEXT/PLAIN; charset=US-ASCII Organization: The hebrew University of Jerusalem Mime-Version: 1.0 Newsgroups: comp.lang.ada Date: 1999-06-03T00:00:00+00:00 List-Id: On Wed, 2 Jun 1999, Nick Roberts wrote: > A huge array, particularly a linear (one-dimensional) one, can work on a > virtual memory machine very efficiently when implemented in the language as > a simple array: the virtual memory management system effectively converts > the array into a sparse array invisibly. I suggest trying things out! Searching a large (~10^6 elements) array of floating point numbers, on a PC using GNAT seems fast enough (to make life interesting I looked for the sqrt). This is part something I am playing with, so there is a good chance more on this will come later in more detail. Ehud Lamm mslamm@pluto.mscc.huji.ac.il