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From: Ruslan R. Laishev <zator@yandex.ru>
To: "users@dpdk.org" <users@dpdk.org>
Subject: Performance "problem" or how to get power of the DPDK
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<div> </div><div>Hello!</div><div>I studying programming with DPDK SDK . So I write a small app to send/receive packets , now I testing it and see next situation:</div><div>iperf3 show  9,4 - 9,7 Gbps on TCP</div><div> </div><div>my app can *send* only at 4+Gbps (I see counters in the <span style="color:#ff8080;white-space:pre-line">rte_eth_stats) </span>.  I have tried to speed-up my app by:</div><div>-  using 1+ number of TX queues (device claim support 64)</div><div>-  increase size of burst from 32 up to 128  </div><div>- turn off any offloads related to checksumming</div><div> </div><div>No effect.</div><div> </div><div>Any recommendation what I'm need to check ?</div><div> </div><div>Thanks in advance!</div><div> </div>