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: fc89c,97188312486d4578 X-Google-Attributes: gidfc89c,public X-Google-Thread: 109fba,baaf5f793d03d420 X-Google-Attributes: gid109fba,public X-Google-Thread: 103376,97188312486d4578 X-Google-Attributes: gid103376,public X-Google-Thread: 1014db,6154de2e240de72a X-Google-Attributes: gid1014db,public From: ark@research.att.com (Andrew Koenig) Subject: Re: Teaching sorts [was Re: What's the best language to start with?] Date: 1996/08/23 Message-ID: #1/1 X-Deja-AN: 176125689 references: <4vfk6b$i6h@krusty.irvine.com> organization: AT&T Research, Murray Hill NJ newsgroups: comp.lang.c,comp.lang.c++,comp.unix.programmer,comp.lang.ada Date: 1996-08-23T00:00:00+00:00 List-Id: In article christian.bau@isltd.insignia.com (Christian Bau) writes: > On a real computer (PowerMac, no virtual memory, no background processes, > nothing that would interfere with execution time), the _number of > instructions per second_ did reproducably vary by a factor up to _seven_ > when going from n to n+1 (for example, case n = 128 took seven times > longer than cases n = 127 and n = 129). Aha! Your machine had interleaved memory! -- --Andrew Koenig ark@research.att.com