From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fiona Trahe Subject: [PATCH 0/2] crypto/qat: performance optimisation Date: Mon, 24 Oct 2016 12:59:58 +0100 Message-ID: <1477310400-4934-1-git-send-email-fiona.trahe@intel.com> Cc: pablo.de.lara.guarch@intel.com, fiona.trahe@intel.com, john.griffin@intel.com, deepak.k.jain@intel.com, arkadiuszx.kusztal@intel.com To: dev@dpdk.org 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) List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 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