From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Delivered-To: caml-list@yquem.inria.fr Received: from nez-perce.inria.fr (nez-perce.inria.fr [192.93.2.78]) by yquem.inria.fr (Postfix) with ESMTP id BB277BC75 for ; Fri, 25 Feb 2005 22:52:58 +0100 (CET) Received: from rproxy.gmail.com (rproxy.gmail.com [64.233.170.200]) by nez-perce.inria.fr (8.13.0/8.13.0) with ESMTP id j1PLqv0s015454 for ; Fri, 25 Feb 2005 22:52:58 +0100 Received: by rproxy.gmail.com with SMTP id a36so155282rnf for ; Fri, 25 Feb 2005 13:52:57 -0800 (PST) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:references; b=SFhMgVNG3RsXLBdP54txlsha+JzarxfytzYwli1Whvh2JLVv+dM2Ik/irR14KSMqfNQPOIn0S5gspMTjfB0Jyq4dVY4wD/MiOvedXjTDPq/9GQVq0mcr4R33Pa/7XlW+mGRE1PKixY9c7xQUlk6Jz01tdqToghqAz1ZPuijpJ7A= Received: by 10.38.70.70 with SMTP id s70mr5737rna; Fri, 25 Feb 2005 13:52:57 -0800 (PST) Received: by 10.38.65.58 with HTTP; Fri, 25 Feb 2005 13:52:57 -0800 (PST) Message-ID: <7f8e92aa05022513527a1b794@mail.gmail.com> Date: Fri, 25 Feb 2005 23:52:57 +0200 From: Radu Grigore Reply-To: Radu Grigore To: Jon Harrop Subject: Re: [Caml-list] Complexity of Set.union Cc: caml-list@yquem.inria.fr In-Reply-To: <7f8e92aa0502251350202ec368@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit References: <200502240920.04902.jon@jdh30.plus.com> <200502251730.13003.jon@jdh30.plus.com> <20050225174853.GA25527@yquem.inria.fr> <200502251947.46657.jon@jdh30.plus.com> <7f8e92aa0502251350202ec368@mail.gmail.com> X-Miltered: at nez-perce with ID 421F9E3A.000 by Joe's j-chkmail (http://j-chkmail.ensmp.fr)! X-Spam: no; 0.00; caml-list:01 wrote:01 achieves:01 node:01 constructor:01 radu:05 radu:05 indeed:05 fri:05 complexity:07 constant:08 feb:09 sets:12 but:12 set:13 X-Spam-Checker-Version: SpamAssassin 3.0.2 (2004-11-16) on yquem.inria.fr X-Spam-Status: No, score=0.0 required=5.0 tests=RCVD_BY_IP autolearn=disabled version=3.0.2 X-Spam-Level: On Fri, 25 Feb 2005 23:50:25 +0200, Radu Grigore wrote: > > > That > > > could indeed run in constant time (just join the two sets with a > > > "Node" constructor), but I doubt the current implementation achieves > > > this because of the repeated splitting. > > What splitting? I see none in this case. 30s later and I see it :) -- regards, radu http://rgrig.blogspot.com/