1 L2 Ethernet Switching
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2 =====================
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4 This section provides a summary of VPP Phy-to-Phy L2 Ethernet switching
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5 performance illustrating packet latency measured at 50% of discovered NDR
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6 throughput rate. Latency is reported for VPP running in multiple
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7 configurations of VPP worker thread(s), a.k.a. VPP data plane thread (s), and
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8 their physical CPU core(s) placement.
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10 Title of each graph is a regex (regular expression) matching all plotted
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11 test case throughput measurements.
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15 Data sources for reported test results: i) FD.io test executor jobs
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16 `csit-vpp-perf-1701-all <https://jenkins.fd.io/view/csit/job/csit-vpp-perf-1701-all/>`_
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18 `csit-vpp-perf-1701-long <https://jenkins.fd.io/view/csit/job/csit-vpp-perf-1701-long/>`_
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19 , ii) archived FD.io jobs test result output files
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20 `csit-vpp-perf-1701-all#job-number <https://nexus.fd.io/link>`_.
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22 VPP packet latency - running in configuration of **one worker thread (1t) on one
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23 physical core (1c)** - is presented in the figure below.
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27 <iframe width="700" height="700" frameborder="0" scrolling="no" src="../../_static/vpp/64B-1t1c-l2-ndrdisc-lat50.html"></iframe>
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29 *Figure 1. VPP 1thread 1core - packet latency for Phy-to-Phy L2 Ethernet Switching.*
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31 CSIT test cases used to generate results presented above can be found in CSIT
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32 git repository by filtering with specified regex as follows:
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34 .. code-block:: bash
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37 $ grep -E "64B-1t1c-(eth|dot1q|dot1ad)-(l2xcbase|l2bdbasemaclrn)-ndrdisc" *
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39 10ge2p1vic1227-eth-l2bdbasemaclrn-ndrdisc.robot:| tc01-64B-1t1c-eth-l2bdbasemaclrn-ndrdisc
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40 10ge2p1x520-dot1ad-l2xcbase-ndrdisc.robot:| tc01-64B-1t1c-dot1ad-l2xcbase-ndrdisc
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41 10ge2p1x520-dot1q-l2xcbase-ndrdisc.robot:| tc01-64B-1t1c-dot1q-l2xcbase-ndrdisc
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42 10ge2p1x520-eth-l2bdbasemaclrn-ndrdisc.robot:| tc01-64B-1t1c-eth-l2bdbasemaclrn-ndrdisc
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43 10ge2p1x520-eth-l2xcbase-ndrdisc.robot:| tc01-64B-1t1c-eth-l2xcbase-ndrdisc
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44 10ge2p1x710-eth-l2bdbasemaclrn-ndrdisc.robot:| tc01-64B-1t1c-eth-l2bdbasemaclrn-ndrdisc
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45 40ge2p1vic1385-eth-l2bdbasemaclrn-ndrdisc.robot:| tc01-64B-1t1c-eth-l2bdbasemaclrn-ndrdisc
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46 40ge2p1xl710-eth-l2bdbasemaclrn-ndrdisc.robot:| tc01-64B-1t1c-eth-l2bdbasemaclrn-ndrdisc
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47 40ge2p1xl710-eth-l2xcbase-ndrdisc.robot:| tc01-64B-1t1c-eth-l2xcbase-ndrdisc
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49 VPP packet latency - running in configuration of **two worker threads (2t) on two
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50 physical cores (2c)** - is presented in the figure below.
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54 <iframe width="700" height="700" frameborder="0" scrolling="no" src="../../_static/vpp/64B-2t2c-l2-ndrdisc-lat50.html"></iframe>
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56 *Figure 2. VPP 2threads 2cores - packet latency for Phy-to-Phy L2 Ethernet Switching.*
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58 CSIT test cases used to generate results presented above can be found in CSIT
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59 git repository by filtering with specified regex as follows:
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61 .. code-block:: bash
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64 $ grep -E "64B-2t2c-(eth|dot1q|dot1ad)-(l2xcbase|l2bdbasemaclrn)-ndrdisc" *
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66 10ge2p1vic1227-eth-l2bdbasemaclrn-ndrdisc.robot:| tc07-64B-2t2c-eth-l2bdbasemaclrn-ndrdisc
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67 10ge2p1x520-dot1ad-l2xcbase-ndrdisc.robot:| tc07-64B-2t2c-dot1ad-l2xcbase-ndrdisc
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68 10ge2p1x520-dot1q-l2xcbase-ndrdisc.robot:| tc07-64B-2t2c-dot1q-l2xcbase-ndrdisc
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69 10ge2p1x520-eth-l2bdbasemaclrn-ndrdisc.robot:| tc07-64B-2t2c-eth-l2bdbasemaclrn-ndrdisc
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70 10ge2p1x520-eth-l2xcbase-ndrdisc.robot:| tc07-64B-2t2c-eth-l2xcbase-ndrdisc
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71 10ge2p1x710-eth-l2bdbasemaclrn-ndrdisc.robot:| tc07-64B-2t2c-eth-l2bdbasemaclrn-ndrdisc
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72 40ge2p1vic1385-eth-l2bdbasemaclrn-ndrdisc.robot:| tc07-64B-2t2c-eth-l2bdbasemaclrn-ndrdisc
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73 40ge2p1xl710-eth-l2bdbasemaclrn-ndrdisc.robot:| tc07-64B-2t2c-eth-l2bdbasemaclrn-ndrdisc
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74 40ge2p1xl710-eth-l2xcbase-ndrdisc.robot:| tc07-64B-2t2c-eth-l2xcbase-ndrdisc
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76 VPP packet latency - running in configuration of **four worker threads (4t) on four
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77 physical cores (4c)** - is presented in the figure below.
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81 <iframe width="700" height="700" frameborder="0" scrolling="no" src="../../_static/vpp/64B-4t4c-l2-ndrdisc-lat50.html"></iframe>
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83 *Figure 3. VPP 4threads 4cores - packet latency for Phy-to-Phy L2 Ethernet Switching.*
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85 CSIT test cases used to generate results presented above can be found in CSIT
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86 git repository by filtering with specified regex as follows:
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88 .. code-block:: bash
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91 $ grep -E "64B-4t4c-(eth|dot1q|dot1ad)-(l2xcbase|l2bdbasemaclrn)-ndrdisc" *
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93 10ge2p1vic1227-eth-l2bdbasemaclrn-ndrdisc.robot:| tc13-64B-4t4c-eth-l2bdbasemaclrn-ndrdisc
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94 10ge2p1x520-dot1ad-l2xcbase-ndrdisc.robot:| tc13-64B-4t4c-dot1ad-l2xcbase-ndrdisc
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95 10ge2p1x520-dot1q-l2xcbase-ndrdisc.robot:| tc13-64B-4t4c-dot1q-l2xcbase-ndrdisc
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96 10ge2p1x520-eth-l2bdbasemaclrn-ndrdisc.robot:| tc13-64B-4t4c-eth-l2bdbasemaclrn-ndrdisc
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97 10ge2p1x520-eth-l2xcbase-ndrdisc.robot:| tc13-64B-4t4c-eth-l2xcbase-ndrdisc
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98 10ge2p1x710-eth-l2bdbasemaclrn-ndrdisc.robot:| tc13-64B-4t4c-eth-l2bdbasemaclrn-ndrdisc
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99 40ge2p1vic1385-eth-l2bdbasemaclrn-ndrdisc.robot:| tc13-64B-4t4c-eth-l2bdbasemaclrn-ndrdisc
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100 40ge2p1xl710-eth-l2bdbasemaclrn-ndrdisc.robot:| tc13-64B-4t4c-eth-l2bdbasemaclrn-ndrdisc
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101 40ge2p1xl710-eth-l2xcbase-ndrdisc.robot:| tc13-64B-4t4c-eth-l2xcbase-ndrdisc
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