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 mail1-relais-roc.national.inria.fr (mail1-relais-roc.national.inria.fr [192.134.164.82]) by sympa.inria.fr (Postfix) with ESMTPS id 842D67ED1A for ; Mon, 21 May 2012 08:11:34 +0200 (CEST) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ApwBABzcuU9KfVK2kGdsb2JhbABEtBIIIgEBAQEJCQ0HFAQjghYBAQQSAiwBGx0BAwwGBQs7IgERAQUBHAY1h10BAwugYwkDjCKCcoQTChknDVeIdQEFDJBGA41Vh0aOFT2ECQ X-IronPort-AV: E=Sophos;i="4.75,629,1330902000"; d="scan'208";a="159099995" Received: from mail-we0-f182.google.com ([74.125.82.182]) by mail1-smtp-roc.national.inria.fr with ESMTP/TLS/RC4-SHA; 21 May 2012 08:11:34 +0200 Received: by werg1 with SMTP id g1so5032507wer.27 for ; Sun, 20 May 2012 23:11:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=ibH3bhJiLb4ghbuAFg3jkoa8hWx4hC/mHj++Dr+vUBk=; b=hCpur3OnChtf6x0dsE8pF9XE1fmoPeQF33MiUhBBwkPHNeWQbOfBmQn05oTtRgPQaO pQd56kzFJrP/UuHemsQvif+zpjFuS8ukmrjEjR+vIAElF0sX89I8K7buOvwt46BdeCIR giKqEOTxAo3zkSl9wLNfwxhPSMm/UNd6dEbBS4ZZyfHOH8FwVhfxBwQmsmIgP3KN4zgv yAemVpLf0w4llUV0JSn70eCO33pOyeT1dSaSd6P98kU++XolRvC1BmIZHqanpu9TwLxl CmLNkF3hRuG5CTcppr6OncXrq8nu1HyI1lwCisyxXpYMg6LpykD8yzb41H8Db2wsNKSc AIgA== MIME-Version: 1.0 Received: by 10.180.14.193 with SMTP id r1mr19256959wic.13.1337580693955; Sun, 20 May 2012 23:11:33 -0700 (PDT) Received: by 10.223.127.20 with HTTP; Sun, 20 May 2012 23:11:33 -0700 (PDT) In-Reply-To: <4FB9985C.6040002@riken.jp> References: <4FB1B5F3.3080908@riken.jp> <4FB1B60F.3060408@riken.jp> <4FB1BB82.6010900@riken.jp> <20120518221404.GA26540@annexia.org> <4FB9985C.6040002@riken.jp> Date: Mon, 21 May 2012 08:11:33 +0200 Message-ID: From: Adrien To: Francois Berenger Cc: caml-list , batteries-devel@lists.forge.ocamlcore.org Content-Type: text/plain; charset=ISO-8859-1 Subject: Re: [Caml-list] Any library for reading/writing compressed files? You should check the bitmasks and Marshal's output with a binary editor. There's probably at least one thing to learn. This is with 2.1MB of zeroes. 8:08 ~ % dd if=/dev/zero of=Z.mask bs=1M count=2 2+0 records in 2+0 records out 2097152 bytes (2.1 MB) copied, 0.00606737 s, 346 MB/s 8:09 ~ % gzip -1v Z.mask Z.mask: 99.6% -- replaced with Z.mask.gz 8:09 ~ % ls -lh Z.mask.gz -rw-r--r-- 1 adrien users 9.0K May 21 08:09 Z.mask.gz -- Adrien Nader