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Ip=[193.27.93.18]; Helo=[mail.verint.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: HE1PR0102MB3273 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: [dpdk-users] RTE_LIBRTE_I40E_ITR_INTERVAL X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 19 Aug 2017 09:21:12 -0000 Hi, We are using DPDK 16.07. In the documentation for the libpmd_i40e I read the following explanation r= e. RTE_LIBRTE_I40E_ITR_INTERVAL: Due to the hardware design, the interrupt signal inside NIC is needed for p= er packet descriptor write-back. The minimum interval of interrupts could be s= et at compile time by ``CONFIG_RTE_LIBRTE_I40E_ITR_INTERVAL`` in configuration= files. Though there is a default configuration, the interval could be tuned by the users with that configuration item depends on what the user cares about mor= e, performance or per packet latency. However, I don't quite understand whether a larger interval should be set f= or performance, or a lower (I am interested in performance). Thanks, Michal Dorsett Developer, Strategic IP Group Desk: +972 962 4350 Mobile: +972 50 771 6689 Verint Cyber Intelligence www.verint.com This electronic message may contain proprietary and confidential informatio= n of Verint Systems Inc., its affiliates and/or subsidiaries. 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