From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Original-To: caml-list@sympa.inria.fr Delivered-To: caml-list@sympa.inria.fr Received: from mail3-relais-sop.national.inria.fr (mail3-relais-sop.national.inria.fr [192.134.164.104]) by sympa.inria.fr (Postfix) with ESMTPS id 4B8987FCCB for ; Tue, 28 Apr 2015 06:35:31 +0200 (CEST) Received-SPF: None (mail3-smtp-sop.national.inria.fr: no sender authenticity information available from domain of jpathy@fssrv.net) identity=pra; client-ip=209.85.212.179; receiver=mail3-smtp-sop.national.inria.fr; envelope-from="jpathy@fssrv.net"; x-sender="jpathy@fssrv.net"; x-conformance=sidf_compatible Received-SPF: Pass (mail3-smtp-sop.national.inria.fr: domain of jpathy@fssrv.net designates 209.85.212.179 as permitted sender) identity=mailfrom; client-ip=209.85.212.179; receiver=mail3-smtp-sop.national.inria.fr; envelope-from="jpathy@fssrv.net"; x-sender="jpathy@fssrv.net"; x-conformance=sidf_compatible; x-record-type="v=spf1" Received-SPF: None (mail3-smtp-sop.national.inria.fr: no sender authenticity information available from domain of postmaster@mail-wi0-f179.google.com) identity=helo; client-ip=209.85.212.179; receiver=mail3-smtp-sop.national.inria.fr; envelope-from="jpathy@fssrv.net"; x-sender="postmaster@mail-wi0-f179.google.com"; x-conformance=sidf_compatible X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A0AgAgATDT9Vm7PUVdFchDsFgxXLKgKBLgc7EQEBAQEBAQERAQEBAQEGCwsJIS6EIQEBBBIRHQEBNwEPCwsNAgImAgIhARIBBQEcBhMih3UDEaYsPjGKSXCEYQEFiWMNhTQBAQEBAQUBAQEBARcGCoEXiheCTYI4B4JogUWLYo5dgVSPDIULEiOBFYQ3HjGCRAEBAQ X-IPAS-Result: A0AgAgATDT9Vm7PUVdFchDsFgxXLKgKBLgc7EQEBAQEBAQERAQEBAQEGCwsJIS6EIQEBBBIRHQEBNwEPCwsNAgImAgIhARIBBQEcBhMih3UDEaYsPjGKSXCEYQEFiWMNhTQBAQEBAQUBAQEBARcGCoEXiheCTYI4B4JogUWLYo5dgVSPDIULEiOBFYQ3HjGCRAEBAQ X-IronPort-AV: E=Sophos;i="5.11,662,1422918000"; d="scan'208";a="113745087" Received: from mail-wi0-f179.google.com ([209.85.212.179]) by mail3-smtp-sop.national.inria.fr with ESMTP/TLS/RC4-SHA; 28 Apr 2015 06:35:30 +0200 Received: by widdi4 with SMTP id di4so14009984wid.0 for ; Mon, 27 Apr 2015 21:35:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fssrv.net; s=google; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=o2qsiFIqTrARSu0jj6M+a68TSIHYF73J7RQ6A4LMAaA=; b=S2XjFSyssbQIeBQb/T/JcfnBdT6fDbJZvBJqKk9xKHN3hi/L8bQm/uNdJHfzZulH+U 4ZCAZqb8vJvt2bUHPSgP0T4RMQrHeW465DflzcyZpyGlInTVNidLRLhgu5WF9Sf7s8kZ RKvRuIhBDTBDzts8UO56AkUYOq2w8ZTpArU1Q= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=o2qsiFIqTrARSu0jj6M+a68TSIHYF73J7RQ6A4LMAaA=; b=KnxrpXRagWv6hTVghgs+1muxLUo4YndSfZQDpJH6leUvvlsQIuTgs96VltyOO0WDLM xIcNClk3eJN4R+PnN5hhQWzwuJR95KW1ZvuPds7CsSfC/TX8dr3tFQ2cBQAFlRnE0dao SSVYTEcFMma7QzX/vO+F1NGS6X/fi+pfmZSf4XktOaGrEbTpryrWi/wg/gHf60gUZ2dE LeUGtqrgKquWGw64VUNyXCnlkYJbuBuSqrKf5SffBWECXUhq+S6k6EKiHlO5y2yYnoP6 sU1xnWUvAS1EZlhFobhDHXwSCwe9h+p7wys87gxolfAy1FNvxBIVAatnXb4jCZ68oZly qzug== X-Gm-Message-State: ALoCoQmFo50BW5QdBHOqpEeFVUZ+AIQFyA5CWxniaVPKpZk/dQggAky9pKA0V6Vy4DKsLRmF63G1 MIME-Version: 1.0 X-Received: by 10.180.101.3 with SMTP id fc3mr6924083wib.47.1430195730032; Mon, 27 Apr 2015 21:35:30 -0700 (PDT) Received: by 10.27.97.66 with HTTP; Mon, 27 Apr 2015 21:35:29 -0700 (PDT) In-Reply-To: References: Date: Mon, 27 Apr 2015 21:35:29 -0700 Message-ID: From: Jiten Pathy To: Jeremy Yallop Cc: Stephen Dolan , "caml-list@inria.fr" Content-Type: text/plain; charset=UTF-8 Subject: Re: [Caml-list] phantom type No, it was just a speculation as a new record is created for every sub-term evaluation. On Mon, Apr 27, 2015 at 5:30 AM, Jeremy Yallop wrote: > On 27 April 2015 at 13:17, Jiten Pathy wrote: >> It seems this encoding using first-class modules has overheads in the >> interpreter(due to the functor), whereas the gadt implementation would >> have no overheads. > > Have you measured it?