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From: Florian Weimer <fw@deneb.enyo.de>
To: Goswin von Brederlow <goswin-v-b@web.de>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] Re: How to read different ints from a Bigarray?
Date: Thu, 29 Oct 2009 21:40:05 +0100	[thread overview]
Message-ID: <87639yue6y.fsf@mid.deneb.enyo.de> (raw)
In-Reply-To: <87639zd0m9.fsf@frosties.localdomain> (Goswin von Brederlow's message of "Wed, 28 Oct 2009 16:00:46 +0100")

* Goswin von Brederlow:

> - The data is passed to libaio and needs to be kept alive and unmoved
>   as long as libaio knows it.

It also has to be aligned to a 512-byte boundary, so you can use
O_DIRECT.  Linux does not support truely asynchronous I/O without
O_DIRECT AFAIK, which rarely makes it worth the trouble.


  parent reply	other threads:[~2009-10-29 20:40 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-10-28 13:54 Goswin von Brederlow
2009-10-28 14:16 ` Sylvain Le Gall
2009-10-28 15:00   ` [Caml-list] " Goswin von Brederlow
2009-10-28 15:17     ` Sylvain Le Gall
2009-10-28 17:57       ` [Caml-list] " Goswin von Brederlow
2009-10-28 18:19         ` Sylvain Le Gall
2009-10-28 21:05           ` [Caml-list] " Goswin von Brederlow
2009-10-28 21:26             ` Sylvain Le Gall
2009-10-28 22:48         ` [Caml-list] " blue storm
2009-10-29  9:50           ` Goswin von Brederlow
2009-10-29 10:34             ` Goswin von Brederlow
2009-10-29 12:20             ` Richard Jones
2009-10-29 17:07               ` Goswin von Brederlow
2009-10-30 20:30                 ` Richard Jones
2009-11-01 15:11                   ` Goswin von Brederlow
2009-11-01 19:57                     ` Richard Jones
2009-11-02 16:11                       ` Goswin von Brederlow
2009-11-02 16:33                         ` Mauricio Fernandez
2009-11-02 20:27                           ` Richard Jones
2009-11-03 13:18                             ` Goswin von Brederlow
2009-11-02 20:48                           ` Goswin von Brederlow
2009-10-29 20:40     ` Florian Weimer [this message]
2009-10-29 21:04       ` Gerd Stolpmann
2009-10-29 23:43         ` Goswin von Brederlow
2009-10-30  0:48           ` Gerd Stolpmann
2009-10-29 23:38       ` Goswin von Brederlow
2009-10-28 15:37 ` [Caml-list] " Olivier Andrieu
2009-10-28 16:05   ` Sylvain Le Gall
2009-10-28 15:43 ` [Caml-list] " Gerd Stolpmann
2009-10-28 16:06   ` Sylvain Le Gall
2009-10-28 18:09   ` [Caml-list] " Goswin von Brederlow
2009-10-28 17:09 ` Xavier Leroy
2009-10-28 19:05   ` Goswin von Brederlow
2009-10-29 17:05   ` Goswin von Brederlow
2009-10-29 18:42     ` Christophe TROESTLER
2009-10-29 19:03       ` Goswin von Brederlow
2009-10-29 18:48     ` Sylvain Le Gall
2009-10-29 23:25       ` [Caml-list] " Goswin von Brederlow
2009-11-03 17:16 Charles Forsyth

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