Return-Path: Delivered-To: apmail-harmony-dev-archive@www.apache.org Received: (qmail 23965 invoked from network); 12 May 2009 12:56:54 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 12 May 2009 12:56:54 -0000 Received: (qmail 90036 invoked by uid 500); 12 May 2009 12:56:54 -0000 Delivered-To: apmail-harmony-dev-archive@harmony.apache.org Received: (qmail 89977 invoked by uid 500); 12 May 2009 12:56:54 -0000 Mailing-List: contact dev-help@harmony.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@harmony.apache.org Delivered-To: mailing list dev@harmony.apache.org Received: (qmail 89966 invoked by uid 99); 12 May 2009 12:56:54 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 12 May 2009 12:56:54 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=10.0 tests=SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of xiaofeng.li@gmail.com designates 209.85.200.171 as permitted sender) Received: from [209.85.200.171] (HELO wf-out-1314.google.com) (209.85.200.171) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 12 May 2009 12:56:45 +0000 Received: by wf-out-1314.google.com with SMTP id 23so2506872wfg.24 for ; Tue, 12 May 2009 05:56:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:content-type :content-transfer-encoding; bh=IctbSQIhsbPGbwhViY9ETJnpPJQCptyjQweITPQ6ydg=; b=gS9NLEwKYDOnHbTwn70hurcrTzGyj34RhEfmvEGGRY3LcDW9U26z5GOcuux8/rZXMK 9Inj9XZjOC5a/iaSZzNge6rmStWinNrW4NoUA4vzF7sXU6hqUk1oUtEqM7CuJiLf9BTA UFhyKMfscTSIsu2N/JW1xZuF2mlDZf2Ravfqc= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; b=kM8GZFtTtZS9CuNRgg2VoL4QzwZkLGFnSMCeLPYqM4XAcXgJyCgjoR5wjKharnoWdx JviX/V1OeMNNI1F2hIs7GiugDZM7AJkrETlMBMxi77IHdxS9MdVTh3q8cdiZdsJ+9u+e Hh8ET/bnyog1ZydsLoSAD3xooM+AuDTXGHRpc= MIME-Version: 1.0 Received: by 10.143.5.20 with SMTP id h20mr3437453wfi.167.1242132984595; Tue, 12 May 2009 05:56:24 -0700 (PDT) In-Reply-To: <1242120782.9528.201.camel@localhost.localdomain> References: <1242120782.9528.201.camel@localhost.localdomain> Date: Tue, 12 May 2009 20:56:24 +0800 Message-ID: <9623c9a50905120556n3b39beabw5a6f307ad77b94d0@mail.gmail.com> Subject: Re: Is it important to improve optimizations of Harmony's JIT compiler? From: Xiao-Feng Li To: dev@harmony.apache.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Virus-Checked: Checked by ClamAV on apache.org Jiutao, welcome! If you have some ideas, you can go ahead to discuss your ideas in the mailing list and submit your patch for review. Thanks, xiaofeng On Tue, May 12, 2009 at 5:33 PM, Niejiutao wrote: > Hi all, > > I'm interested in compiler optimizations and have some thoughts on > improving the IR and optimizations of Jitrino.OPT. =A0However, it seems > that the development on Jitrino.OPT is not very active (only 617 lines > of changes of source code in the past five months), so I wonder whether > improving the optimizations of JIT compiler is important for Harmony > community. =A0If it's not, why? (Note that Harmony is not very competitiv= e > to other JVMs on performance, http://www.stefankrause.net/wp/?p=3D9) =A0I= f > it is, are there any existing plans or any people working on this? > > Best Regards, > Jiutao > > > --=20 http://people.apache.org/~xli