From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A93C7C3ABBE for ; Sat, 10 May 2025 06:02:30 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4ZvZys1Z7Zz3bmY; Sat, 10 May 2025 16:02:29 +1000 (AEST) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip="2600:3c0a:e001:78e:0:1991:8:25" ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1746856949; cv=none; b=Wzy2sisMxAtUAJrHS7x9zbDSvfteg8eusQ/5QVdcaHXeIRbqb/f/+vc9RhJo1AqbuArFuNqGI+9MJskScZvIvbe50FgmFEdOCeK/a30M8SZ38rlEBBX5cjsCdDeW+lQw7ZSwvtPscvKGfv65sXpPrPLaS4SIe9GsF5ypJMC+4vzLIlsVm0/VtDpd9vTYYeIAWfQM6TXUSWSxZnSIfNx8gzOu3j7WXP4MXfU7faUDUrowYg2Ab4s4SMwdm4Cx5DubLpGPBmgOyY2M7JCwGDFf/vFjoXeB/vxdggs4SiRYl6TL0r5qu7DZvBcncyQr35wv6+hmgwmgjU3GqKgMt3/JGg== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1746856949; c=relaxed/relaxed; bh=0nW2Gaf428l7OMSgXg2xSCpd5DssxCVW8xIxn0vsOEc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=NiCLhwqE0YFwbS2aJ4LxFBC2hLSeiUL3Ba2YCGwrZLgC7u2v2Rl7ts5SJwMy4O8nQ3Xv2wPlwANGgq+sY/VghvSNMnaI/y48FQve2IC4PahGfb8nF7oTcgurCbcf75G+YaTekZLnhNBlDbDvQSoXk/ysN7Fg5KKz+vFzY/fkAgpU7UZI8GZrpH1DWfLCPGbzJ8AwnwOYhiBhkbc2mpkq54weS8iIcJ4+1CCYASNJARCY6u3zZ/411QMC8lIG0iY+hvdipe7ujCaRA97LioySWlIMJM4ej/c8OhW4BkwBEpciti1BpVv6wfm7omNRpJdD3vHWjh6oXLwgTBSZRBe9KA== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=NV/viZqF; dkim-atps=neutral; spf=pass (client-ip=2600:3c0a:e001:78e:0:1991:8:25; helo=sea.source.kernel.org; envelope-from=ebiggers@kernel.org; receiver=lists.ozlabs.org) smtp.mailfrom=kernel.org Authentication-Results: lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=NV/viZqF; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=2600:3c0a:e001:78e:0:1991:8:25; helo=sea.source.kernel.org; envelope-from=ebiggers@kernel.org; receiver=lists.ozlabs.org) Received: from sea.source.kernel.org (sea.source.kernel.org [IPv6:2600:3c0a:e001:78e:0:1991:8:25]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4ZvZyr3m8Jz3bgn for ; Sat, 10 May 2025 16:02:28 +1000 (AEST) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id D1B9E49D45; Sat, 10 May 2025 06:02:25 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 597E0C4CEE2; Sat, 10 May 2025 06:02:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746856945; bh=JlSsQetcX37kb+C7A/7Zl2d7NI2PP1OhBJ4yWdB2dq8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=NV/viZqFlgmeYeOd+a37GQMGj2Wdbb597buCO2CHtoo5e9okzB+Nv34A5uSb9yT7U T0U8EAQfSlJcGSLoQOiuuV37BPT2TZRRLYdrZg+Bf1h7FYKPqevWoI2XGpD7ZFv4Y1 ji3riEIa4f44hkK9/0xN6sFKUXg5wiWnmmFl9xRPL/L7AtODj4a9jdbpPx1Gq9lCsD 3NmTdIov3AhWHgJXT9gSdmYwd8K0vCiZ1fGQSnLiBRc1cFDJzHiEKcW4xcfQR011fO rKOMjmaAad2EKQDQN4zhH6H5qvV8zabd6dfFzqfBG7IPuskgqzzU9ah2fg91EEzKSy /t2IFMZsxRXRA== Date: Fri, 9 May 2025 23:02:19 -0700 From: Eric Biggers To: Herbert Xu Cc: Venkat Rao Bagalkote , Thorsten Leemhuis , Linux Crypto Mailing List , LKML , Linux Next Mailing List , Madhavan Srinivasan , Stephen Rothwell , Danny Tsen , linuxppc-dev@lists.ozlabs.org Subject: Re: [v2 PATCH] crypto: powerpc/poly1305 - Add poly1305_emit_arch wrapper Message-ID: <20250510060219.GC505731@sol> References: <1d2c2fdc-5c36-4d4e-8b25-8289b865726d@linux.ibm.com> <20250510044450.GA505731@sol> <20250510053308.GB505731@sol> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Sat, May 10, 2025 at 01:50:02PM +0800, Herbert Xu wrote: > On Sat, May 10, 2025 at 01:49:13PM +0800, Herbert Xu wrote: > > > > Did I do something wrong? > > OK perhaps it's just that the qemu emulation being slow. Yes, non-native QEMU usually isn't any good for benchmarking the architecture-optimized code, due to the instructions it uses having to be emulated. Just to give another random example, in (non-native) QEMU the RISC-V CRC code is much slower than the generic CRC code. But when run on an actual RISC-V processor it's much faster. - Eric