Received: from localhost (maia-2.hub.org [200.46.204.187]) by postgresql.org (Postfix) with ESMTP id EEFFA9FA02C for ; Tue, 12 Dec 2006 08:48:18 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.187]) (amavisd-new, port 10024) with ESMTP id 48456-09 for ; Tue, 12 Dec 2006 08:48:09 -0400 (AST) X-Greylist: from auto-whitelisted by SQLgrey-1.7.4 Received: from vms048pub.verizon.net (vms048pub.verizon.net [206.46.252.48]) by postgresql.org (Postfix) with ESMTP id DADEC9FA178 for ; Tue, 12 Dec 2006 08:48:13 -0400 (AST) Received: from osgiliath.mathom.us ([71.246.251.8]) by vms048.mailsrvcs.net (Sun Java System Messaging Server 6.2-6.01 (built Apr 3 2006)) with ESMTPA id <0JA500N5KVK840W2@vms048.mailsrvcs.net> for pgsql-performance@postgresql.org; Tue, 12 Dec 2006 06:48:08 -0600 (CST) Received: from localhost (localhost [127.0.0.1]) by osgiliath.mathom.us (Postfix) with ESMTP id 6CBB76EA76 for ; Tue, 12 Dec 2006 07:48:07 -0500 (EST) Received: from osgiliath.mathom.us ([127.0.0.1]) by localhost (osgiliath.home.mathom.us [127.0.0.1]) (amavisd-new, port 10024) with LMTP id kwGoGg8zYqYy for ; Tue, 12 Dec 2006 07:48:06 -0500 (EST) Received: by osgiliath.mathom.us (Postfix, from userid 1000) id 6D85270AD1; Tue, 12 Dec 2006 07:48:06 -0500 (EST) Date: Tue, 12 Dec 2006 07:48:06 -0500 From: Michael Stone Subject: Re: New to PostgreSQL, performance considerations In-reply-to: <457EA39E.1020207@streppone.it> To: Postgresql Performance list Mail-followup-to: Postgresql Performance list Message-id: <20061212124803.GA29167@mathom.us> MIME-version: 1.0 Content-type: text/plain; charset=us-ascii; format=flowed Content-disposition: inline X-Virus-Scanned: Debian amavisd-new at mathom.us X-Pgp-Fingerprint: 53 FF 38 00 E7 DD 0A 9C 84 52 84 C5 EE DF 7C 88 References: <457EA39E.1020207@streppone.it> User-Agent: Mutt/1.5.13 (2006-08-11) X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200612/288 X-Sequence-Number: 22344 On Tue, Dec 12, 2006 at 01:42:06PM +0100, Cosimo Streppone wrote: >"-O0" ~ 957 tps >"-O1 -mcpu=pentium4 -mtune=pentium4" ~ 1186 tps >"-O2 -mcpu=pentium4 -mtune=pentium4" ~ 1229 tps >"-O3 -mcpu=pentium4 -mtune=pentium4" ~ 1257 tps >"-O6 -mcpu=pentium4 -mtune=pentium4" ~ 1254 tps > >I'm curious now to get the same tests run with >a custom-cflags-compiled glibc. I'd be curious to see -O2 with and without the arch-specific flags, since that's mostly what the discussion is about. Mike Stone