From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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 8CAA8820A1 for ; Fri, 6 Sep 2013 18:04:56 +0200 (CEST) Received-SPF: None (mail3-smtp-sop.national.inria.fr: no sender authenticity information available from domain of markus.mottl@gmail.com) identity=pra; client-ip=209.85.212.176; receiver=mail3-smtp-sop.national.inria.fr; envelope-from="markus.mottl@gmail.com"; x-sender="markus.mottl@gmail.com"; x-conformance=sidf_compatible Received-SPF: Pass (mail3-smtp-sop.national.inria.fr: domain of markus.mottl@gmail.com designates 209.85.212.176 as permitted sender) identity=mailfrom; client-ip=209.85.212.176; receiver=mail3-smtp-sop.national.inria.fr; envelope-from="markus.mottl@gmail.com"; x-sender="markus.mottl@gmail.com"; 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-f176.google.com) identity=helo; client-ip=209.85.212.176; receiver=mail3-smtp-sop.national.inria.fr; envelope-from="markus.mottl@gmail.com"; x-sender="postmaster@mail-wi0-f176.google.com"; x-conformance=sidf_compatible X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AnIBAMr8KVLRVdSwk2dsb2JhbABbgzxFDMFVgRwIFg4BAQEBBwsLCRQEJIIkAQEFQAEUBxQJAQMMBgULDS4hAQERAQUBHAYTh28BAw+gXoxQgwWECgoZJw1kiAwBBQyNAoJuB4QdA5YMgWmMN4NGGCmEZCA X-IPAS-Result: AnIBAMr8KVLRVdSwk2dsb2JhbABbgzxFDMFVgRwIFg4BAQEBBwsLCRQEJIIkAQEFQAEUBxQJAQMMBgULDS4hAQERAQUBHAYTh28BAw+gXoxQgwWECgoZJw1kiAwBBQyNAoJuB4QdA5YMgWmMN4NGGCmEZCA X-IronPort-AV: E=Sophos;i="4.90,855,1371074400"; d="scan'208";a="25985079" Received: from mail-wi0-f176.google.com ([209.85.212.176]) by mail3-smtp-sop.national.inria.fr with ESMTP/TLS/RC4-SHA; 06 Sep 2013 18:04:51 +0200 Received: by mail-wi0-f176.google.com with SMTP id cb5so1099531wib.9 for ; Fri, 06 Sep 2013 09:04:51 -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=JJFBBeDompD6WNnOx4YFfqjDfUSpHViCbzlO+9sleYI=; b=p5Pl13lxLYO+sZZ/ynBTkj7iDwFIOwzJ+DP/VCmyb95SL5Do+sfqpGMo/7DG+qtjLH KARKvu5QYG2liQDJWb3GWe7oo+YQohqQgyfW4JpFzrsZ4fOmfqmBwrf17FUgBgLbFWtu JrpVV9MCpQvQ7nf+C/prUzeAIlCOUqU6DAmBa15Q+RmVN0N80y5OPJ1cWAV4hi78LDlA iv9uaNOhGTz+HifZP2flgTaM+DmV85LbAir74fPEfnwMLYjUyHWUYKWZPS83Mpqomuur RL1MKnhQVcq34M5q/pAvpG0lqO8RO2GyK/a1wCUtq61Xv9YC2RhO4Pykz0JIDOMtVgHW LjTA== MIME-Version: 1.0 X-Received: by 10.181.12.16 with SMTP id em16mr10912442wid.36.1378483491316; Fri, 06 Sep 2013 09:04:51 -0700 (PDT) Received: by 10.194.172.4 with HTTP; Fri, 6 Sep 2013 09:04:51 -0700 (PDT) In-Reply-To: References: <5229DEF9.7040706@inria.fr> Date: Fri, 6 Sep 2013 12:04:51 -0400 Message-ID: From: Markus Mottl To: Gabriel Scherer Cc: Romain Bardou , "caml-list@inria.fr" Content-Type: text/plain; charset=ISO-8859-1 Subject: Re: [Caml-list] Accelerating compilation On Fri, Sep 6, 2013 at 11:18 AM, Gabriel Scherer wrote: > While there is support for parallel compilation in ocamlbuild (... > except on Windows, I'm afraid), I've often found out that it doesn't > parallelize much in practice because of current implementation > limitations -- but if you have success stories about this I'd be glad > to hear about them. Improving on this is on the medium-term > ocamlbuild-development TODO list. I definitely do see significant speedups on some projects, e.g. building Lacaml. But I don't see that on other projects even though the dependency graph would allow for it. I guess it's still work in progress... Regards, Markus -- Markus Mottl http://www.ocaml.info markus.mottl@gmail.com