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From: Anil Madhavapeddy <anil@recoil.org>
To: Fabrice Le Fessant <Fabrice.Le_fessant@inria.fr>
Cc: Francois Berenger <berenger@riken.jp>,
	Ocaml Mailing List <caml-list@inria.fr>
Subject: Re: [Caml-list] from oasis to obuild (original subject was Re: Accelerating compilation)
Date: Mon, 30 Sep 2013 10:13:07 +0100	[thread overview]
Message-ID: <C8A349B1-5CFD-4F9F-9596-01CBD6F28272@recoil.org> (raw)
In-Reply-To: <CAHvkLrMaubL8TmEKDnEy22LaGKyRB3aNEDWqMwVH0ERviBAUsA@mail.gmail.com>

On 30 Sep 2013, at 10:00, Fabrice Le Fessant <Fabrice.Le_fessant@inria.fr> wrote:

> On Mon, Sep 30, 2013 at 10:07 AM, Francois Berenger <berenger@riken.jp> wrote:
>> # time ./build.sh
>> real    0m9.397s
>> 
>> Compile time after, with obuild:
>> # obuild clean && time (obuild configure && obuild build -j 1)
>> real    0m3.624s
> 
> If you compile with "-j 1", where does the speed-up come from ? Is
> Oasis using bytecode commands instead of native-code commands ? Could
> you ask the two tools to display the commands they are calling, to
> understand the difference ?

OASIS runs every single build command through ocamlfind.  Moving that
to the configure phase gives a big speedup for almost any project
with a non-trivial number of source files.

-anil


  reply	other threads:[~2013-09-30  9:13 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-06 13:56 [Caml-list] Accelerating compilation Romain Bardou
2013-09-06 14:55 ` Markus Mottl
2013-09-06 15:19   ` Romain Bardou
2013-09-06 15:27     ` Gabriel Scherer
2013-09-06 15:33       ` Alain Frisch
2013-09-06 20:51     ` Fabrice Le Fessant
2013-09-09  7:44       ` Romain Bardou
2013-09-11 13:00       ` Francois Berenger
2013-09-11 13:46         ` Wojciech Meyer
2013-09-12  1:23           ` Francois Berenger
2013-09-12 15:15             ` Jacques Le Normand
2013-09-30  8:06       ` [Caml-list] from oasis to obuild (original subject was Re: Accelerating compilation) Francois Berenger
2013-09-30  8:18         ` Török Edwin
2013-09-30  9:00         ` Fabrice Le Fessant
2013-09-30  9:13           ` Anil Madhavapeddy [this message]
2013-09-30 11:13             ` Alain Frisch
2013-09-30 11:19               ` Anil Madhavapeddy
2013-09-30 11:27                 ` Alain Frisch
2013-09-30 11:36                   ` Anil Madhavapeddy
2013-09-30  9:18           ` Francois Berenger
2013-09-30 14:11         ` Sylvain Le Gall
2013-10-01  0:57           ` Francois Berenger
2013-10-01 12:25             ` Sylvain Le Gall
2013-09-07 11:37     ` [Caml-list] Accelerating compilation Matej Kosik
2013-09-08  6:37     ` Francois Berenger
2013-09-06 15:18 ` Gabriel Scherer
2013-09-06 15:28   ` Romain Bardou
2013-09-06 16:04   ` Markus Mottl
2013-09-06 16:30 ` Xavier Leroy
2013-09-07 19:13   ` Wojciech Meyer
2013-09-07 21:42     ` Jacques-Pascal Deplaix
2013-09-08  1:59       ` Markus Mottl
2013-09-09  7:59   ` Romain Bardou
2013-09-09  8:25   ` Alain Frisch
2013-09-09  8:35     ` Francois Berenger
2013-09-09 10:13     ` Anil Madhavapeddy
2013-09-09 17:08     ` Adrien Nader
2013-09-09 17:17       ` Gabriel Kerneis
2013-09-10  2:01     ` oleg
2013-09-10 10:21       ` Gerd Stolpmann
2013-09-10 16:15       ` Adrien Nader
2013-09-10 16:46       ` Xavier Leroy
2013-09-10 16:53         ` Adrien Nader
2013-09-10 17:43           ` ygrek
2013-09-06 18:45 ` Martin Jambon
2013-09-09  8:15   ` Romain Bardou
2013-09-09  8:36     ` Francois Berenger
2013-09-09  8:41       ` Thomas Refis
2013-09-09 17:32     ` Aleksey Nogin

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