From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail3-relais-sop.national.inria.fr (mail3-relais-sop.national.inria.fr [192.134.164.104]) by walapai.inria.fr (8.13.6/8.13.6) with ESMTP id p6FE1XOA005038 for ; Fri, 15 Jul 2011 16:01:34 +0200 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AskAAH9HIE7RVaG+i2dsb2JhbABTmCdDjnIIFAEBAQoLCwcSBiGvEowrhyg7iG+GOgSHVINrk2M8g3s X-IronPort-AV: E=Sophos;i="4.65,535,1304287200"; d="scan'208";a="87160697" Received: from mail-gx0-f190.google.com ([209.85.161.190]) by mail3-smtp-sop.national.inria.fr with ESMTP/TLS/RC4-SHA; 15 Jul 2011 16:01:28 +0200 Received: by gxk7 with SMTP id 7so985431gxk.27 for ; Fri, 15 Jul 2011 07:01:27 -0700 (PDT) Received: by 10.90.20.38 with SMTP id 38mr473343agt.24.1310738487112; Fri, 15 Jul 2011 07:01:27 -0700 (PDT) Path: glegroupsg2000goo.googlegroups.com!not-for-mail Newsgroups: fa.caml Date: Fri, 15 Jul 2011 07:01:26 -0700 (PDT) In-Reply-To: Reply-To: fa.caml@googlegroups.com Complaints-To: groups-abuse@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=138.37.88.134; posting-account=e5mzsQoAAAB7g9y7Bkgam0zJDHRr7bCB NNTP-Posting-Host: 138.37.88.134 User-Agent: G2/1.0 X-Google-Web-Client: true MIME-Version: 1.0 Message-ID: From: Radu Grigore To: fa.caml@googlegroups.com Cc: caml-list@inria.fr Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by walapai.inria.fr id p6FE1XOA005038 Subject: Re: RE: RE: RE: [Caml-list] Priority queues, reloaded On Thursday, July 14, 2011 6:34:16 PM UTC+1, Jon Harrop wrote: > Yes. That shows that it can be done but not that it is worth doing. What are > the practical applications (if any) of heap-based MST algorithms? >From the same file: "Conclusions. The winning algorithm, of the four methods considered here, on problems of the size considered here, is clearly Jarn{\'\i}k/Prim with binary heaps. Second is Kruskal with radix sorting, on sparse graphs, but the Fibonacci heap method beats it on dense graphs."