Message from discussion
Issue 2392 in v8: Array: big performance difference when creating big array from empty or single-element array
Received: by 10.66.86.6 with SMTP id l6mr3777944paz.11.1352113348211;
Mon, 05 Nov 2012 03:02:28 -0800 (PST)
X-BeenThere: v8-dev@googlegroups.com
Received: by 10.68.234.37 with SMTP id ub5ls23400875pbc.6.gmail; Mon, 05 Nov
2012 03:02:27 -0800 (PST)
Received: by 10.66.75.230 with SMTP id f6mr3411177paw.25.1352113347524;
Mon, 05 Nov 2012 03:02:27 -0800 (PST)
Received: by 10.66.75.230 with SMTP id f6mr3411176paw.25.1352113347515;
Mon, 05 Nov 2012 03:02:27 -0800 (PST)
Return-Path: <3w5yXUBAKBuQIUJKYOZK-TUXKVReMUUMRK.IUSbo-JKbMUUMRKMXUaVY....@codesite.bounces.google.com>
Received: from mail-pa0-f75.google.com (mail-pa0-f75.google.com [209.85.220.75])
by gmr-mx.google.com with ESMTPS id yl8si3933351pbc.1.2012.11.05.03.02.27
(version=TLSv1/SSLv3 cipher=OTHER);
Mon, 05 Nov 2012 03:02:27 -0800 (PST)
Received-SPF: pass (google.com: domain of 3w5yXUBAKBuQIUJKYOZK-TUXKVReMUUMRK.IUSbo-JKbMUUMRKMXUaVY....@codesite.bounces.google.com designates 209.85.220.75 as permitted sender) client-ip=209.85.220.75;
Authentication-Results: gmr-mx.google.com; spf=pass (google.com: domain of 3w5yXUBAKBuQIUJKYOZK-TUXKVReMUUMRK.IUSbo-JKbMUUMRKMXUaVY....@codesite.bounces.google.com designates 209.85.220.75 as permitted sender) smtp.mail=3w5yXUBAKBuQIUJKYOZK-TUXKVReMUUMRK.IUSbo-JKbMUUMRKMXUaVY....@codesite.bounces.google.com; dkim=pass header...@google.com
Received: by mail-pa0-f75.google.com with SMTP id fb11so626287pad.2
for <v8-dev@googlegroups.com>; Mon, 05 Nov 2012 03:02:27 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=google.com; s=20120113;
h=mime-version:reply-to:x-generated-by:x-googlecode-project
:x-googlecode-issue-id:references:in-reply-to:message-id:date
:subject:from:to:content-type;
bh=H6MmxqhTr9+k6NM8DmwdKWknBW5DiVS8eyj+5SVdyR4=;
b=UrvFN8fGKiSnpF9pd97hoIIpkqDzW3BKIoajcOQb41yTcJL73Fw4czP5KM0TQe03hb
zFb1YhJQmvgwEylbfVEHMywVwnCSlWNrIJktCYNkQ0wijpAH7rFLSmuZchmZLpXHIyEY
JeHiZiOjzJKpbQNrEeznfJxM1iauIVkR62Xs3ayXZBHjuDHRZmD0pAkTjO7Ttyooy13k
ehaZgdk5/Frlvk0r8Re7wa7wsftWfinDikGXHGlZb788/TQOZqWZnfhHtZ7B9OK9psLb
BoeVqu/hzKWAlVUgrsit0dgHZ7ntHXa7/VHlmbWq8FTWxOnVP9yfM4nS6/k1SAVp/Y/w
kDVA==
MIME-Version: 1.0
Received: by 10.68.241.99 with SMTP id wh3mr3584656pbc.1.1352113347442; Mon,
05 Nov 2012 03:02:27 -0800 (PST)
Reply-To: codesite-nore...@google.com
X-Generated-By: Google Code
X-GoogleCode-Project: v8
X-GoogleCode-Issue-Id: 2392
References: <0-11690816309429728379-16043219698593319496-codesite-noreply=google....@googlecode.com>
In-Reply-To: <0-11690816309429728379-16043219698593319496-codesite-noreply=google....@googlecode.com>
Message-ID: <1-11690816309429728379-16043219698593319496-codesite-noreply=google....@googlecode.com>
Date: Mon, 05 Nov 2012 11:02:27 +0000
Subject: Re: Issue 2392 in v8: Array: big performance difference when creating
big array from empty or single-element array
From: codesite-nore...@google.com
To: v8-dev@googlegroups.com
Content-Type: text/plain; charset=ISO-8859-1; format=flowed; delsp=yes
Updates:
Owner: verwa...@chromium.org
Comment #1 on issue 2392 by verwa...@chromium.org: Array: big performance
difference when creating big array from empty or single-element array
http://code.google.com/p/v8/issues/detail?id=2392
I'm already working on this; this code should see improvements pretty soon.