Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1x4PWO-0078BZ-1p for pgsql-hackers@arkaria.postgresql.org; Wed, 09 Sep 2026 21:07:56 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1x4PWN-000K1u-1l for pgsql-hackers@arkaria.postgresql.org; Wed, 09 Sep 2026 21:07:55 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1x4PWN-000K1m-0I for pgsql-hackers@lists.postgresql.org; Wed, 09 Sep 2026 21:07:55 +0000 Received: from mail-vs1-xe35.google.com ([2607:f8b0:4864:20::e35]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.98.2) (envelope-from ) id 1x4PWL-00000004q6k-1lah for pgsql-hackers@postgresql.org; Wed, 09 Sep 2026 21:07:54 +0000 Received: by mail-vs1-xe35.google.com with SMTP id ada2fe7eead31-789fef9422fso1916646137.2 for ; Wed, 09 Sep 2026 14:07:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1788988071; x=1789592871; darn=postgresql.org; h=in-reply-to:content-disposition:content-type:mime-version :references:message-id:subject:cc:to:from:date:from:to:cc:subject :date:message-id:reply-to:content-type; bh=01fLAd6VQSv30lF+SznbYTwns4vxAS83lshGWH3wKMk=; b=kVH/61EY3aM5RO1dY3/jfTzceK5T47FUEaLVSPjE9yW1NZaBrcfnB2hNESdlc8fX1u oovQGEVRHMxEF6wPUl2ic6gFlxY20yRprCYSdFwvzfd7jhb3C2tPCVJP+NN2A93y+rUf 1SMPL9IqfpJoSoaNV6zyR4a2NxYVizbtmNS1L+z/AhFFiF91VIF9BaP7Qf8eXsduMWaB a6fZMDhJuNVYjzlXmD/Lb2q+0qgVZfKTDD5oTOhqlA7uV0N/E/LRoe5HzfWB9nI46fMV GMR2qs3MA/OJ1x4Ahif7pySQel9Ba6sRG/IFiIxKDt7l9ATOFh/4y+aEhn4DGI5xuROz LUHQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1788988071; x=1789592871; h=in-reply-to:content-disposition:content-type:mime-version :references:message-id:subject:cc:to:from:date:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=01fLAd6VQSv30lF+SznbYTwns4vxAS83lshGWH3wKMk=; b=oqFKxJ+allhl0nMR0jdvDqVq7fFSCEL2TlAM8D1LxM6nR5p8BYJxCEjE8We3LwNNET hi6gbki0TSdVK9WKpl9NfCwDV7CfiiDgUJY5et1r8UaqfW04ojm4F0KR+trBcOa1TjOR LrPseWNMjXGxcWvi9bTvZDi0A8wS6oyZuPa8DP+aCiMbApqmoZ8X9Z+aKoyF/MgjIyeL EiGuawXNtFw+m+GIDxQcMHfKb0MauFcR/Ti5u1wcQKw+CqfpMITOIkvLpOmqNsQOFPIh aetzw1fIjnqyHQlgm5ZPB+PPKY/IPqLznBflflSVVfiQ2bjBDitzGVWn8lUwiSPyU7La 6kWA== X-Forwarded-Encrypted: i=1; AKwUvBxQ8X8z3nGqudhu32WPMSkCxF/jY0HwZr1ZM2xoEcqce8NHM4H8+iM3j975URfktgNjlsifvRLVlTPBjb9A@postgresql.org X-Gm-Message-State: AFuF++kUIKfATud9qupNNCdzMtu5EMwd1wsQXfn50kLnB7DbLtwl9oqs a35WPnl8ygDl4MZsYxCpWMLbTZVQSrp+3edDPgkd4X7lf9K9e5aKAsRe X-Gm-Gg: AYBFou3Zjj2jiPwRwfNyJ/cfNeIaJLXgHBlI9p981WEMXfIltYTnzPxdDF4A4YbgthY EpSQpCcbR9VS7VPdj778YrRtn4oXXglAsBDyHLSynjy/aQJuYX2eqIpG8DQPs6MGF6Gyu7qs8CJ 3bj9jo/+mFzuOZ9PrgU/eyLKn6M6KAs0FAcn25kWiBzi2ZoA2DWmSJe/kT8iGDcL18c4eo70v/Y rN9XEnyqDpv1e9CqRv3Km4MeTp48EuTLKXpYmYak2RjzyUQnfEafnJH5drwitGaFxKOEzDjWtp3 Zk6k3pd7JTe4pgCPC2VN3L3uF0QsM6Jd2d7ndrW04LlDroApCaRql3+wUdt3afw0k6tmB2tNqiH PyF+BJYBr8jYROBLO7/wSZLg5OvNlzlZVJ3KGTDYJgC8uMefbfoJcQBQL7uTJKLZz+14Sn21Xlk WzXYDKx4PWFjEGAMOSunxt7rNtxNVYyWAOfFXvvSWzeAhYAXEBn5T70VJK4NHEilUsYabcVdlH8 oT9MJTwqZlDNiz74pkPqscjZE5G82ulVTbCs4UOEcsBTUnYCO0S8hR4JGFSif9VzKp19AxdPJ+3 GpEO471ntzyDdpegiBXrqFsMXg== X-Received: by 2002:a05:6102:5091:b0:78a:8a0:7126 with SMTP id ada2fe7eead31-78a4aa97d5bmr14614685137.10.1788988070730; Wed, 09 Sep 2026 14:07:50 -0700 (PDT) Received: from nathan (162-195-168-172.lightspeed.stlsmo.sbcglobal.net. [162.195.168.172]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-910406b0f51sm152790436d6.42.2026.09.09.14.07.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Sep 2026 14:07:49 -0700 (PDT) Date: Wed, 9 Sep 2026 16:07:47 -0500 From: Nathan Bossart To: Greg Burd Cc: Nazir Bilal Yavuz , KAZAR Ayoub , Neil Conway , Andrew Dunstan , Shinya Kato , pgsql-hackers Subject: Re: Speed up COPY FROM text/CSV parsing using SIMD Message-ID: References: <9434f7bb-5865-4828-9f23-1dd30e50aaac@app.fastmail.com> <633c2a60-e5b9-49d2-a93d-946d184d946d@app.fastmail.com> <1ed873ef-6b95-4083-88e7-b71c362a8bc4@app.fastmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1ed873ef-6b95-4083-88e7-b71c362a8bc4@app.fastmail.com> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk > It's overkill, let's focus and get the fix in. Committed. -- nathan