From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id C743F37B3 for ; Mon, 24 Oct 2016 14:11:26 +0200 (CEST) Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga101.fm.intel.com with ESMTP; 24 Oct 2016 05:11:25 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.31,542,1473145200"; d="scan'208";a="893288563" Received: from irvmail001.ir.intel.com ([163.33.26.43]) by orsmga003.jf.intel.com with ESMTP; 24 Oct 2016 05:11:19 -0700 Received: from linux.site (sisvmlab045.ir.intel.com [10.237.216.52]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id u9OCBIQ1013717; Mon, 24 Oct 2016 13:11:18 +0100 Received: by linux.site (Postfix, from userid 11342333) id 50970E3BC5; Mon, 24 Oct 2016 13:00:11 +0100 (IST) From: Fiona Trahe To: dev@dpdk.org Cc: pablo.de.lara.guarch@intel.com, fiona.trahe@intel.com, john.griffin@intel.com, deepak.k.jain@intel.com, arkadiuszx.kusztal@intel.com Date: Mon, 24 Oct 2016 12:59:58 +0100 Message-Id: <1477310400-4934-1-git-send-email-fiona.trahe@intel.com> X-Mailer: git-send-email 1.7.0.7 Subject: [dpdk-dev] [PATCH 0/2] crypto/qat: performance optimisation X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 24 Oct 2016 12:11:27 -0000 QAT PMD adjusts the buffer start address and offsets passed to the device so that the DMAs in and out of the device are 64-byte aligned. This gives more consistent throughput, which had been variable depending on how the application set up the mbuf. The message builder code had to be considerably re-factored to do this efficiently. Also performance test not taking IV prepend offsets into account were corrected. Fiona Trahe (2): crypto/qat: rework request builder for performance app/test: use correct offsets in AES perf test app/test/test_cryptodev_perf.c | 15 +- drivers/crypto/qat/qat_adf/icp_qat_hw.h | 5 + drivers/crypto/qat/qat_adf/qat_algs.h | 1 + drivers/crypto/qat/qat_adf/qat_algs_build_desc.c | 2 + drivers/crypto/qat/qat_crypto.c | 242 ++++++++++++++++------- 5 files changed, 185 insertions(+), 80 deletions(-) -- 2.5.0