From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 312BD489C7; Fri, 24 Oct 2025 18:27:29 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id F14DD4021E; Fri, 24 Oct 2025 18:27:28 +0200 (CEST) Received: from mail-pf1-f177.google.com (mail-pf1-f177.google.com [209.85.210.177]) by mails.dpdk.org (Postfix) with ESMTP id 23D4F40151 for ; Fri, 24 Oct 2025 18:27:28 +0200 (CEST) Received: by mail-pf1-f177.google.com with SMTP id d2e1a72fcca58-7a2754a7f6aso2830447b3a.1 for ; Fri, 24 Oct 2025 09:27:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1761323247; x=1761928047; darn=dpdk.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:from:to:cc:subject:date :message-id:reply-to; bh=WQnsd9GYL1DsD+6jY9SRN8bLVjZhOpkRsKXCf5w+miY=; b=lh8my3/71M1y/jBgRJTVWRYZpzHKZF0JjJYhCCLo7wr2n8hj5FHdCKwK9y1swxOd0e 6MEcGMPUbrFqtw+ad/2jbUt7yCJxnBOd5m6JB5iKSnxKNOLFqHJUYh27ofeeydKH7/xP vHufMlUxl90G7L3E2dypYhPbwpyO8IS2gqrih+/UJnOQW+EU2ktq8SCjqDu39oQ28Bd2 CPhHMtjpQ0g9SUeTHDp+6rBRuWABEgc6490YvvgxbKoMvp6HpH6Rh5dk0tMY0Xz2hvKr yo/qkn6PKa+mw2Zt/UZNudHIGnMrnMXXa1bU8wJ4kbMQkXmoYqBQcroJETSeXxO5PkVs tGeA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1761323247; x=1761928047; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=WQnsd9GYL1DsD+6jY9SRN8bLVjZhOpkRsKXCf5w+miY=; b=o3SGbf0TM4wbKIs3S4y1GbE1gjpnN7HqomHKZ54etfIYDxQZCzbuM9Jw6K5SRKo8qo GYkmjDOzpJdOLi646eUwXvF/88aSDAJ4EPm7OdQ/YmQ1oWUYcrOm1YLqC/vSTE+vXf/Z VF6ZdoWnWoewSxhD35u1csxB/4FRp+h8X/EV7VjsjOqucSxd0SYX1CGlfkMqt0xNhYWd IqhEnEdnbGsBkothA5CT/u31QdBw1wD2KxpF1u6taF15ak8cxp8cyDrj3kaJcrWZzgST VPFfdQwK16/n/w0S+0/5tVDiMqP1Ykn8LTuIsY6N4kpB1Su/VH0xn6f5k/USCgfU13PL b6MQ== X-Forwarded-Encrypted: i=1; AJvYcCUqPF8oaKhPumuPns8ykzpi4+mIKFDwud1JRCFg6LU92Nf9qu1D+U+MjbBwlaS1XJM/IE4=@dpdk.org X-Gm-Message-State: AOJu0YyZcAQFS+Ntdd5bd0K45H3meDo5xiFcuhD7joJ1roKbjD7YllNW HSRAc7BLMZP4dKHWQUSu/t9S6T9IR1qdloyoltK9cqiu5xkIaIbCejDUmiTjZEsJ7UM= X-Gm-Gg: ASbGnctJX6PJGxlsotHRcTQDBHo+5Sbx5JXdhEp544CI/2qHHS1A41k5qncR5P46mZ4 ivcBfG/VFCCzPejVO0ny9Prkos56n2FcVSr02cYAgi0OwVuBTGKVK4aTqVzQovJZOZHqNthJIEW TN/b3tDFUwqaWeceq9Wrl0DYutdxyD2MSwEVoRLXxSnN4FMDIxxLF09Xc80rzLYwBoUW5DqcSgE oL29zsYXHaAUJ7MKSjhD02oKuD29emBCNzsvV0QgTz8s05g/YX+fxUQAULmBL+Tto2+GopoEhy8 ajjiiwzgGb1wQDHZlFJu44pVe5t2bwTOyn2Mp1QGWBRampHBoeAVwh224jkBg+iJez95zBCpo98 Ex2AaAwwG0VOV9hf3B6QR3SbtJKF8IzDdkog5dbdwZYriDy3fn48Ji27poyBsKNveJBWlFJvJsv 4eZtE+vN5tq04cLFL6hAL9A0wiu+Jd9ZBGpA== X-Google-Smtp-Source: AGHT+IHo1r/74bK3KsJQcrL5D4dpO+F8Qx0L1tGEIWAg1CyF5OQu02V7QjYPlVimySaaGjN4IZh4XA== X-Received: by 2002:aa7:8043:0:b0:782:7052:5167 with SMTP id d2e1a72fcca58-7a220a574f9mr25204183b3a.6.1761323244803; Fri, 24 Oct 2025 09:27:24 -0700 (PDT) Received: from phoenix (204-195-96-226.wavecable.com. [204.195.96.226]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7a274bb3d5dsm6328126b3a.54.2025.10.24.09.27.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Oct 2025 09:27:24 -0700 (PDT) Date: Fri, 24 Oct 2025 09:27:22 -0700 From: Stephen Hemminger To: Qiguo Chen Cc: sunyuechi@iscas.ac.cn, stanislaw.kardach@gmail.com, dev@dpdk.org, bruce.richardson@intel.com Subject: Re: [PATCH v5 1/1] eal/riscv: optimize rte_memcpy with vector and zicbop extensions Message-ID: <20251024092722.6c623afd@phoenix> In-Reply-To: <20251024054128.1569133-2-chen.qiguo@zte.com.cn> References: <20251021065607.1418203-2-chen.qiguo@zte.com.cn> <20251024054128.1569133-1-chen.qiguo@zte.com.cn> <20251024054128.1569133-2-chen.qiguo@zte.com.cn> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org On Fri, 24 Oct 2025 13:41:28 +0800 Qiguo Chen wrote: > This patch uses RISC-V vector instructions and zicbop prefetching to > optimize memory copies for 129~1600 byte ranges. > > Signed-off-by: Qiguo Chen > --- Is there any possibility of build environment being newer than the run time? The Intel builds already have to deal with that problem.