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 1vs21x-001g53-0E for pgsql-hackers@arkaria.postgresql.org; Mon, 16 Feb 2026 17:05:05 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1vs21v-004B4P-2e for pgsql-hackers@arkaria.postgresql.org; Mon, 16 Feb 2026 17:05:03 +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 1vs21v-004B4G-1j for pgsql-hackers@lists.postgresql.org; Mon, 16 Feb 2026 17:05:03 +0000 Received: from mail-oi1-x230.google.com ([2607:f8b0:4864:20::230]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.98.2) (envelope-from ) id 1vs21t-00000000vHW-0qKx for pgsql-hackers@postgresql.org; Mon, 16 Feb 2026 17:05:02 +0000 Received: by mail-oi1-x230.google.com with SMTP id 5614622812f47-45effa36240so2198683b6e.1 for ; Mon, 16 Feb 2026 09:05:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1771261501; x=1771866301; darn=postgresql.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=/EjryextsC1Heibn6dZW2GghFARUcNrDJoJjpIDXBl4=; b=iuHG650zVsmEHil91MQGHZz7wd2/wbXAuXZLWQDP36TI9yHgePks3eP8gFN6lVpOOz zeJbllVKvoC2ZEfGISwQjI0B6zVxjn0hLhqPDMyuMKh/wvydAmvTFUyia2LY1tP5QaZ2 E2X0RrbrGkCKxbg1+SpLPxZzjnQzsAeI+MLywqf+cbqBDXdWu765Y/PCAitEddKH4ypL 53+EsemdDQuAlxxY673f58N6w9aAYuXya3QqwBsxyqkpEBlPLrYxhUCbv3B5SNIJZEsc QP9FA+zw8zLHYBWYJ0+wVAsBHkXZ7y3VjKGzGVwf0bgHFkoINRzXI0Gn79Hp9mC/se9D VQKw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1771261501; x=1771866301; h=in-reply-to:content-disposition: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; bh=/EjryextsC1Heibn6dZW2GghFARUcNrDJoJjpIDXBl4=; b=pNnwiHNd82X6vJnzcGwADjjGuZiYLCY6RaSgsDQ8HsQgSTBJaJghLSwvquSPuorTEx wYXEeSSKaQYN05Z3QcE3WOzr/bwq1+GhnJ5KLdevTmGfEiSqzCpZ5RW8Q3fhuRLDTC8k AU+t4sZOUFjSB3lg1uEjjEVt9W0O9kIZderBBiJ5D2Ifgzw/RUaX1fKa7U7S8u/XaErc H7/mmQOrXGKyNDwx308j5yAHNmMrBsniBv2jysyrKpkAIXKtAMJoERu1XfSZ89ajnbCt 0GwtMjMbWPGDncnm9hhqZ6zLqS5lahHm9EyrOENza8EuWW3+o+fP6o/hCUTpYRQlteNr KJBQ== X-Forwarded-Encrypted: i=1; AJvYcCUP2KIHmTEwds4RY+9Bbrz2NcaWNvXL7z1aEgaZ1lPSIK33DbpP/BHhrnI9wQUcCkm5+Nudh4My1nHc40zZ@postgresql.org X-Gm-Message-State: AOJu0YzA8FrUM6z1d2SZxBVgOglBdQ0nTL/4fpEZ5EA4B+AxNNNb7Vkb o0q/ttrY5lOtPbDHsjHh8LnLne7e6DWme58Z9nf5w05H0TlacEToSs/I X-Gm-Gg: AZuq6aJPjGxCGWHHOMUGeRSnuy7qb4eUPYjZsyPH9b3DXaYQ3tD0vEYcBqxCrbsYd/r A2ZNX0BMxkphMpqAtM/df16ipc1PDiIwDku02EPW4OvTetgik8Pb1rIRvZcdZ9Pknd6h4GAPCKg R2edyYcDXo58HQ9jlWoN1EYidiWEnno+lrLVukNmmU+9+SdIRaEAVYD5Je2WWc1/U6RwC0x+tgo D1GijU7WYT2cV1azChfnqnPbuGYPowpwPl5MgMLt608yrRxV6BALVz+YJwy4eEtUVke4u2rLx4k bzZoZKNGWylT9qwtZ/t5iNX0cGQB0eII89ClUdboweaUI8FM4TAyOpi8jpBXDj1E2/rlMcv2Rmr se3fUCN2Q2+wJoJkN6bbHMALysgx/JMW7G7hScPGtAYZSighKg+JSJdMh/QQUq8dto6iFbF82da 2cwbXWNkUu/Ntogf5PpBsjj8+z4lZ4PE7xmwvAQ1WEZ4d2zLKWMkfQtLZ3BOghB+J6YJ0pRq9uu Bwhow3sgJ7Blchp X-Received: by 2002:a05:6808:189e:b0:45e:9dc3:11ea with SMTP id 5614622812f47-4639f1992c8mr5856834b6e.40.1771261501336; Mon, 16 Feb 2026 09:05:01 -0800 (PST) Received: from nathan (162-195-168-172.lightspeed.stlsmo.sbcglobal.net. [162.195.168.172]) by smtp.gmail.com with ESMTPSA id 5614622812f47-463a6a369e3sm6460119b6e.4.2026.02.16.09.05.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 Feb 2026 09:05:00 -0800 (PST) Date: Mon, 16 Feb 2026 11:04:58 -0600 From: Nathan Bossart To: Manni Wood Cc: Nazir Bilal Yavuz , KAZAR Ayoub , Neil Conway , Andrew Dunstan , Shinya Kato , PostgreSQL-development Subject: Re: Speed up COPY FROM text/CSV parsing using SIMD Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On Fri, Feb 13, 2026 at 09:34:13PM -0600, Manni Wood wrote: > v7-0001 + v7-0002 applied to master certainly seems promising: nice to see > speed improvements across the board on both x86 and arm! Thanks for testing. Based on these results, I think we can abandon 0002, at least for now. -- nathan