From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-3.3 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 22925 invoked from network); 27 Apr 2022 09:16:55 -0000 Received: from zero.zsh.org (2a02:898:31:0:48:4558:7a:7368) by inbox.vuxu.org with ESMTPUTF8; 27 Apr 2022 09:16:55 -0000 ARC-Seal: i=1; cv=none; a=rsa-sha256; d=zsh.org; s=rsa-20210803; t=1651051015; b=b8jNTh7rvAiAMCwbLiGhBTmtmTPZrp2mx6TFrJyUcD2pFpPbBC57p3ElkoqwkUCqEQz7CvS9rx uOzLBWllmjiwCHeQ6/uBo8Ogxur6hyUI6f8b3jMU4Z7GSmKS1d5Am1fqAKBgxamciULbuwA+29 admSUGTKHcBOoD9qnYDDWo/hvhTMddGjpkQgH0YPu8nipBj/GLkwh1QRGSjNMCMWbjUUpVDa8c 0NjWlaiq6DgYO/heSCM7SuHdEFgyQGsUiPKShR8HHJEKH2aZdKR+xnIUty32JhK43ai9VOtLK4 a+jBUxqjDMhe2b8RFZemfUQ68TvswfVcIO/uDNfuR7DM6w==; ARC-Authentication-Results: i=1; zsh.org; iprev=pass (snd00009-bg.im.kddi.ne.jp) smtp.remote-ip=27.86.113.9; dmarc=none header.from=kba.biglobe.ne.jp; arc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed; d=zsh.org; s=rsa-20210803; t=1651051015; bh=bvR/x6oeAKorpOym5cbYgFetyibhmlzyuT8Tyz9CWxQ=; h=List-Archive:List-Owner:List-Post:List-Unsubscribe:List-Subscribe:List-Help: List-Id:Sender:Message-ID:In-Reply-To:To:References:Date:Subject: MIME-Version:Content-Transfer-Encoding:Content-Type:From:DKIM-Signature; b=WeXTnQ0+6oAoOEh55qbRr1TPXyterFu0y9TQ//hhXnDDf1JVJhguR9HeDGbYDpFV3lL9p0VXAC 8vngvm0ZaTZ3HEhpfccjZn1Z+RCZN4Xhwkd1lqxbWHO5WUqfSbVnafVxMoRVKe+9Vvn7pMZuDr x+k0sVf6rmY2CZRVVyQcBC7y/SWddqn8DhRkAgJc99LwzWNbR/MJG6pI+MnNIcIhJYHstOcnMz +m9F7jO4Tf6sf/SOvEGNLkenPO3Y3OevKTDNYoIihwg7xj+l27ldfxvTgIE/hz+QFUgI716WeU w1u8HeFbFV+IrR8eCHOmVfgSquwwhqu/6vuMLbeDAFQngA==; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=zsh.org; s=rsa-20210803; h=List-Archive:List-Owner:List-Post:List-Unsubscribe: List-Subscribe:List-Help:List-Id:Sender:Message-Id:In-Reply-To:To:References: Date:Subject:Mime-Version:Content-Transfer-Encoding:Content-Type:From: Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID; bh=qIDr579QQ3JTqrpaAbx4T0LbXHykWasstfnVPFvgOec=; b=rvRmQCesIq9XIWrjkL19cOj17K G2Vwg2liS4abZTR+qNrG1H5ely2VJ2TspWNU0XEioHi1xgB8eImCGRii8grizgamGRWcQDh853ybP aatVP10yLjnD9SvP6wh//F/h15N8b76cHD1TU3Y1uX4ORKijFtU+SRAqj+G3/fUlgvo9OXbGuNXxC o4VkeO23hUXRiHPGXUmpEQetvjgWPZR9SjZxwYpKYLmTqcqQaqfKUYwE5gfTzpmXeS9OScGoVXpbT T6g2Ur6lE9D+WddnTjgyytTwLoIDzO1KemxiHZJQ54AObbiZT+g+wjLArUiPzMTVBOyBis2Ojfl5M QAPDr0rg==; Received: from authenticated user by zero.zsh.org with local id 1njdn4-0005x6-Cd; Wed, 27 Apr 2022 09:16:54 +0000 Authentication-Results: zsh.org; iprev=pass (snd00009-bg.im.kddi.ne.jp) smtp.remote-ip=27.86.113.9; dmarc=none header.from=kba.biglobe.ne.jp; arc=none Received: from snd00009-bg.im.kddi.ne.jp ([27.86.113.9]:40481 helo=dfmta0003.biglobe.ne.jp) by zero.zsh.org with esmtps (TLS1.3:TLS_AES_256_GCM_SHA384:256) id 1njdmU-0005cs-TE; Wed, 27 Apr 2022 09:16:20 +0000 Received: from mail.biglobe.ne.jp by omta0003.biglobe.ne.jp with ESMTP id <20220427091612704.NGZG.82237.mail.biglobe.ne.jp@biglobe.ne.jp> for ; Wed, 27 Apr 2022 18:16:12 +0900 From: Jun T Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.21\)) Subject: Re: ZSH performance regression in 5.8.1.2-test Date: Wed, 27 Apr 2022 18:16:12 +0900 References: <20220425192036.p6awbyro2a2lp7bq@chazelas.org> <7E5CB0D9-4740-486A-B55E-6EA0530532F9@kba.biglobe.ne.jp> <875081227.118208.1650986156051@mail2.virginmedia.com> To: zsh-workers@zsh.org In-Reply-To: Message-Id: X-Mailer: Apple Mail (2.3445.104.21) X-Biglobe-Sender: takimoto-j@kba.biglobe.ne.jp X-Seq: 50112 Archived-At: X-Loop: zsh-workers@zsh.org Errors-To: zsh-workers-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-workers-request@zsh.org X-no-archive: yes List-Id: List-Help: List-Subscribe: List-Unsubscribe: List-Post: List-Owner: List-Archive: > 2022/04/27 9:55, Bart Schaefer wrote: > > On Tue, Apr 26, 2022 at 8:16 AM Peter Stephenson > wrote: >> >> We could use some variant of the following as a configure test for safety. > > I will be happiest if someone else plugs that in to configure.ac. Do you mean that trying lseek() for a just opened fd is enough? If so, I will add it to configure.ac.