From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55618) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gUWPv-0005g9-GY for qemu-devel@nongnu.org; Wed, 05 Dec 2018 07:36:40 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gUWPs-0002bu-Ak for qemu-devel@nongnu.org; Wed, 05 Dec 2018 07:36:39 -0500 Received: from mail-wr1-x432.google.com ([2a00:1450:4864:20::432]:43097) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gUWPs-0002bF-2j for qemu-devel@nongnu.org; Wed, 05 Dec 2018 07:36:36 -0500 Received: by mail-wr1-x432.google.com with SMTP id r10so19488543wrs.10 for ; Wed, 05 Dec 2018 04:36:35 -0800 (PST) References: <20181124235553.17371-1-cota@braap.org> <20181124235553.17371-14-cota@braap.org> From: Alex =?utf-8?Q?Benn=C3=A9e?= In-reply-to: <20181124235553.17371-14-cota@braap.org> Date: Wed, 05 Dec 2018 12:36:33 +0000 Message-ID: <8736rc2lri.fsf@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] [PATCH v6 13/13] hardfloat: implement float32/64 comparison List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Emilio G. Cota" Cc: qemu-devel@nongnu.org, Richard Henderson Emilio G. Cota writes: > Performance results for fp-bench: > > Host: Intel(R) Core(TM) i7-6700K CPU @ 4.00GHz > - before: > cmp-single: 110.98 MFlops > cmp-double: 107.12 MFlops > - after: > cmp-single: 506.28 MFlops > cmp-double: 524.77 MFlops > > Note that flattening both eq and eq_signaling versions > would give us extra performance (695v506, 615v524 Mflops > for single/double, respectively) but this would emit two > essentially identical functions for each eq/signaling pair, > which is a waste. Reviewed-by: Alex Benn=C3=A9e -- Alex Benn=C3=A9e