From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([209.51.188.92]:33312) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gztr2-0001ou-DI for qemu-devel@nongnu.org; Fri, 01 Mar 2019 20:54:21 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gztmI-0008GF-Nj for qemu-devel@nongnu.org; Fri, 01 Mar 2019 20:49:27 -0500 Received: from out2-smtp.messagingengine.com ([66.111.4.26]:44869) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gztmI-0008CE-5M for qemu-devel@nongnu.org; Fri, 01 Mar 2019 20:49:26 -0500 Date: Fri, 1 Mar 2019 20:49:21 -0500 From: "Emilio G. Cota" Message-ID: <20190302014921.GA5081@flamenco> References: <20190222024106.9167-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190222024106.9167-1-richard.henderson@linaro.org> Subject: Re: [Qemu-devel] [PATCH v3 0/3] target/arm: Reduce overhead of cpu_get_tb_cpu_state List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Richard Henderson Cc: qemu-devel@nongnu.org, peter.maydell@linaro.org, alex.bennee@linaro.org On Thu, Feb 21, 2019 at 18:41:03 -0800, Richard Henderson wrote: > Changes since v2: > * Do not cache VECLEN, VECSTRIDE, VFPEN. > These variables come from VFP_FPSCR and VFP_FPEXC, not from > system control registers. > * Move HANDLER and STACKCHECK to rebuild_hflags_a32, > instead of building them in rebuild_hflags_common. Tested-by: Emilio G. Cota You might want to add these numbers (I re-ran the benchmarks for v3) to patch 3's commit log: aarch64-linux-user SPEC06int (train set) Host: Intel(R) Core(TM) i7-4790K CPU @ 4.00GHz 2.2 +--------------------------------------------------------------+ | | | after | 2 |-+.........................................+-+..............+-| | | | | *|* | | *|* +-+ | 1.8 |-+..........+-+............................+-+.......|......+-| | | * * | | | **|* +-+ *+-+ * * *|* | 1.6 |-+.........*+-+..............**|*.....*..*.*.*.*+-+.*|*.....+-| | * * *+-+ * * * * *+-+ *|* | | * * * * * * * * * * +-+ | 1.4 |-+.........*..*......+-+.....*..*.....*..*.*.*.*..*.*.*.*+-++-| | * * **|* * * * * * * * * * * *+-+ | | *+-+ * * *+-+ * * * * * * * * * * * * | 1.2 |-+*+-+.....*..*.....*..*.....*..*.....*..*.*.*.*..*.*.*.*..*+-| | * * +-+ * * * * +-+ * * * * * * * * * * * * | | * * | * * +-+ * * +-+ * * +-+ * * * * * * * * * * | | * * *|* * * *|* * * * * * * +-+ * * * * * * * * * * | 1 |++*++*++-++*++*++-++*++*+*+*+*++*+*+*+*++*+*+*+*++*+*+*+*++*++| | * * * * * * * * * * * * * * * * * * * * * * * * * * | | * * * * * * * * * * * * * * * * * * * * * * * * * * | 0.8 +--------------------------------------------------------------+ 400.perl401.bzi403.429445.456.462.libq464.471.omn483.xalancbgeomean png: https://imgur.com/wr4ODMw Thanks, Emilio