From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Original-To: caml-list@yquem.inria.fr Delivered-To: caml-list@yquem.inria.fr Received: from mail1-relais-roc.national.inria.fr (mail1-relais-roc.national.inria.fr [192.134.164.82]) by yquem.inria.fr (Postfix) with ESMTP id 5EA01BBAF for ; Sat, 13 Mar 2010 16:57:42 +0100 (CET) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AioCABNFm0vUGyoGkWdsb2JhbACachUBAQEBCQsKBxMDH7h2hHsE X-IronPort-AV: E=Sophos;i="4.49,632,1262559600"; d="scan'208";a="54777152" Received: from smtp6-g21.free.fr ([212.27.42.6]) by mail1-smtp-roc.national.inria.fr with ESMTP; 13 Mar 2010 16:57:41 +0100 Received: from smtp6-g21.free.fr (localhost [127.0.0.1]) by smtp6-g21.free.fr (Postfix) with ESMTP id 06270E0810A for ; Sat, 13 Mar 2010 16:57:36 +0100 (CET) Received: from inspiron9300.localnet (pas72-2-88-165-75-213.fbx.proxad.net [88.165.75.213]) by smtp6-g21.free.fr (Postfix) with ESMTP id 24D43E080CB for ; Sat, 13 Mar 2010 16:57:34 +0100 (CET) From: =?iso-8859-1?q?Ga=EBtan_DUBREIL?= To: caml-list@yquem.inria.fr Subject: Re: [Caml-list] testers wanted for experimental SSE2 back-end Date: Sat, 13 Mar 2010 17:10:01 +0100 User-Agent: KMail/1.12.2 (Linux/2.6.31-20-generic; KDE/4.3.2; i686; ; ) References: <4B967857.3070303@inria.fr> In-Reply-To: <4B967857.3070303@inria.fr> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message-Id: <201003131710.01742.gaetan.dubreil@free.fr> X-Spam: no; 0.00; gaetan:01 gaetan:01 speedup:01 bigarray:01 speedup:01 experimental:01 caml-list:01 computation:01 back-end:02 float:03 loc:03 1300:96 real:10 crucial:10 appreciable:11 With my audio processing application of about 1300 LOC, i get a speedup of= =20 about 9%. I run the application on Intel Pentium M under Kubuntu. The application spend all the time doing computation on bigarray of float. =46or me, the gain is appreciable. In real time audio processing, a speedup= of=20 9% can be crucial. Ga=EBtan Dubreil