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 1w153l-002XaZ-2w for pgsql-hackers@arkaria.postgresql.org; Fri, 13 Mar 2026 16:08:21 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1w153k-0052QG-1B for pgsql-hackers@arkaria.postgresql.org; Fri, 13 Mar 2026 16:08:20 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1w153k-0052Q3-0I for pgsql-hackers@lists.postgresql.org; Fri, 13 Mar 2026 16:08:20 +0000 Received: from mail-ot1-x32d.google.com ([2607:f8b0:4864:20::32d]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.98.2) (envelope-from ) id 1w153i-00000002V5R-1YdF for pgsql-hackers@postgresql.org; Fri, 13 Mar 2026 16:08:20 +0000 Received: by mail-ot1-x32d.google.com with SMTP id 46e09a7af769-7d75e74f5adso2374500a34.3 for ; Fri, 13 Mar 2026 09:08:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1773418096; x=1774022896; 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=srH3Av+wSWNAsRP04AK899igrlf7p0L5fnGB4NtsXuI=; b=mLNUEVFA8CDh4gn0AwJOTo7fJ56ysrbKfMh25ediSyGoqqxLKwde7/Ja6pGz8YIwvC 21zvqlKd4XY7XcrVVmZS2oGqzY0tX/9iC5buV9OHMwcWqatNlLnTPIqmvHnQT4qYksMI YwX9UfthBUAnHhu8bHVfgppScDsshwMRoceKZm/R2geCFZYXuV/PsbUFAmU8sSzG9xl8 Jf46ssYs/c6DzrXgt9MOc37I2qLLXw3/luaQx0aGxbXgNPxlk/9fpOck6saO3P7IX+Ik mimdpK96BJ+1EiLxdQi3ap3auCkWmrPLies5RINQz2k29hgSgG0Dswmz8aAB4e1c1+rE AGvw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1773418096; x=1774022896; 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=srH3Av+wSWNAsRP04AK899igrlf7p0L5fnGB4NtsXuI=; b=ItFcmESCYoXcQb9aQMduY/ys1t5W/Icxp7Nz5336gsegBLcYufRw5W92ufMtjPsxlB gQssxym4ZKQLYkvgsUymj9Wk5XNg6W1CEMWIk+3xKqT+MYf7zNBIz5AZ4U3frHcVsWgB vmlksSY+U3/Q7QjBFkkdtuXEd4F2u9cxM3GM9opi33WrbAs8c6L39c6FBWNH7wFBSg42 n+J4wkDTO0G4R4peNQVaAwt5d59mwFC6uWDtabOsjT78vGbEHue7xq1zsf2XRJbUfZnq DGjqIYI2oEhm0nhB+VIVKD4Kss71Cwg/lTFzkK8WZQ5Zpb9/tMhmZCV1Wrp6gSIF4+eR 4lbA== X-Forwarded-Encrypted: i=1; AJvYcCWcBqMoPTbTNmSVHrSwt+JrKhXOGfT8zQiKs6yWbvqhusM3bRmlmzdKcwssOb70Y7mkPJDA85kaoZwpKNPE@postgresql.org X-Gm-Message-State: AOJu0YzZcA2LjL6u/rwmy4Of7WAMEt+/6kQy9doRh6zfo5ErgwBrhIUi tZCVQVPfYH1fD6/UTzD2fDEzPEkhLX/PmIIoSiYBdKkBb7WiqDP0Xd8t X-Gm-Gg: ATEYQzy6fVgyLSWEs9xF5dZCpXECP/By0zmonCT2y1vlbZI57z4y8SawBmBW+5zgxFd nuuviAAcHDOwYrwGa+jG4CfFdjnIKaVp2WG//xTB2rnYR0OVt9lWvgtDuewFCSp/gwnErSTOAYo EhQZiEnsXI+Qd/6lwZ9oJc2RXzqGtSb1PaFIeBk3nzgJDni6wiJ5o+P41r4UBRCYvJJGYCIZMuM 1PiUQ9k73aTxmLL409hAl4kZflCYImsn94wwUXkYPtwGnVQEX8nYOMbEjgEJsCSiA+LLmNryryH I2UooCz3rF65SGX6YGwNpe/n7RqSw1VWI19h5czvLPMeCnxwagbdRntxznpN3nE1gToifYMLp+8 Ma+nSSnZD0qtQhDA1pXm6T/aQ/0Jr8Rh27bU/+JGTnZHulaCNk9RhLvCRwjlTNxR1yOJPfAEyZL S+TBNrfdTXnan0tkY4jH6bVZ4XLjAtSckMVVHzoD8VC4Vv62CGz0rr9dTwJiMHpD1JUbiuMePuG 47AgOmYzK5xzwr4LCYkcA== X-Received: by 2002:a05:6820:4812:b0:679:a58b:bf69 with SMTP id 006d021491bc7-67bda97ad04mr1942988eaf.3.1773418096441; Fri, 13 Mar 2026 09:08:16 -0700 (PDT) Received: from nathan (162-195-168-172.lightspeed.stlsmo.sbcglobal.net. [162.195.168.172]) by smtp.gmail.com with ESMTPSA id 006d021491bc7-67bc9332686sm5345879eaf.13.2026.03.13.09.08.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Mar 2026 09:08:15 -0700 (PDT) Date: Fri, 13 Mar 2026 11:08:14 -0500 From: Nathan Bossart To: Nazir Bilal Yavuz Cc: Manni Wood , 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, Mar 13, 2026 at 06:58:49PM +0300, Nazir Bilal Yavuz wrote: > Thanks! v17 LGTM. I didn't encounter any regressions. Committed. -- nathan