From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3DC492A1BB; Sat, 10 May 2025 06:02:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746856946; cv=none; b=VyiUl1Fez+4KcP5LMZxrBZqLOgGwaX+n0dsNJLTE7pQ9zxi+mnRNgnKU+5sAPeUVBGRZG/oj4BlZ8RWCbHDLhFckq3kIgaISbVN5R6nRBjvZX1hwImkeCTOezII1YQ60+hI5xmYlCx4PdDpKJAumgcD1d9S6sx7WSszLxgmAUzw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746856946; c=relaxed/simple; bh=JlSsQetcX37kb+C7A/7Zl2d7NI2PP1OhBJ4yWdB2dq8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=VpDEL2DqoBL6fWnm2MKmtkkVqif+jlFePROreyy/Z6VQrRUOHQ+cJ7FKQmeWsk2+8wZPlCfonCJdHvrbKl5DYiaJqhYAWTwpO7j49LVK+ZxwsUTB2Fy2EF0FU/LoFhCWRbLojis7NlDbg0sZdIsvvOxlY31Tmb9qwhyvTuqFuSs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NV/viZqF; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="NV/viZqF" 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> Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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