Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.89) (envelope-from ) id 1f8qIL-0004jY-U9 for pgsql-hackers@arkaria.postgresql.org; Wed, 18 Apr 2018 16:50:58 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1f8qIK-0002XA-Qs for pgsql-hackers@arkaria.postgresql.org; Wed, 18 Apr 2018 16:50:56 +0000 Received: from makus.postgresql.org ([2001:4800:1501:1::229]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.89) (envelope-from ) id 1f8qIK-0002Wz-56 for pgsql-hackers@lists.postgresql.org; Wed, 18 Apr 2018 16:50:56 +0000 Received: from bay.acenet.us ([173.230.252.50]) by makus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.89) (envelope-from ) id 1f8qIF-0007SA-K5 for pgsql-hackers@lists.postgresql.org; Wed, 18 Apr 2018 16:50:54 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=anastigmatix.net; s=default; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To:Subject:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=gVpNcmtwQ62OPtqPI0f7GH0tlCxt9Z8l9qADgK1Ag1A=; b=IOI6OHjRqusGBgsLwBzF0IVM+L 2SI9BOzsKzcAhbLUG+NOywq7kBqT24gfdkGSSv6iDpy786O7+AM52nvH4x1UHBmwGg66XROxoB/N8 M7lZsE8ufKIGPfR1xekBryXuA5Q6rwp9pacn9+G4q5wi7LUnd8n5N/dWDAjaiEVUbo3D8kD/2gVDe IY6JF+xTNbZTbupq+9feaFPvV/C1mZbNWgH2jeVn7I7Y6Lw7335bLb24r7MAYPgZZQTQVqgIkUuhc 1xjuGesBvWTBKX33j5rFmomkD5k6ivplmSJZIn4sKeBLxuwo7nVplhJdKijx4N5K99xIJxw2j9UMA BXbFUw+w==; Received: from cos-128-210-107-26.science.purdue.edu ([128.210.107.26]:62448 helo=gibbs.math.purdue.edu) by bay.acenet.us with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89_1) (envelope-from ) id 1f8qIC-001pDL-L1; Wed, 18 Apr 2018 12:50:49 -0400 Subject: Re: Query is over 2x slower with jit=on To: Simon Riggs , Andres Freund Cc: Andreas Joseph Krogh , PostgreSQL Hackers References: <20180418155055.gawfkerzvy5rxpxe@alap3.anarazel.de> From: Chapman Flack Message-ID: <41012425-6aa0-e06c-a2f2-e5d17bb686f9@anastigmatix.net> Date: Wed, 18 Apr 2018 12:50:48 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-OutGoing-Spam-Status: No, score=-100.2 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - bay.acenet.us X-AntiAbuse: Original Domain - lists.postgresql.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - anastigmatix.net X-Get-Message-Sender-Via: bay.acenet.us: authenticated_id: chap+anastigmatix.net/only user confirmed/virtual account not confirmed X-Authenticated-Sender: bay.acenet.us: chap@anastigmatix.net X-Source: X-Source-Args: X-Source-Dir: List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk On 04/18/2018 12:27 PM, Simon Riggs wrote: > Please change the name of the "JIT" parameter to something meaningful > to humans before this gets too far into the wild. > > SSL is somewhat understandable because its not a Postgres-private term. JIT is hardly a Postgres-private term. It's a familiar term in a widespread community, though I might cede the point that the community in question is more compiler wonks than DBAs. -Chap