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+.. _performance:
+
+Performance
+===========
+
+One of the benefits of FD.io VPP is it's high performance on relatively low-power computing.
+Included are the following.
+
+* A high-performance user-space network stack designed for commodity hardware:
+
+  - L2, L3 and L4 features and encapsulations.
+
+* Optimized packet interfaces supporting a multitude of use cases:
+
+  - An integrated vhost-user backend for high speed VM-to-VM connectivity
+  - An integrated memif container backend for high speed Container-to-Container connectivity
+  - An integrated vhost based interface to punt packets to the Linux Kernel
+
+* The same optimized code-paths run execute on the host, and inside VMs and Linux containers
+* Leverages best-of-breed open source driver technology: `DPDK <https://www.dpdk.org/>`_
+* Tested at scale; linear core scaling, tested with millions of flows and mac addresses
+
+These features have been designed to take full advantage of common micro-processor optimization techniques, such as:
+
+* Reducing cache and TLS misses by processing packets in vectors
+* Realizing `IPC <https://en.wikipedia.org/wiki/Instructions_per_cycle>`_ gains with vector instructions such as: SSE, AVX and NEON
+* Eliminating mode switching, context switches and blocking, to always be doing useful work
+* Cache-lined aligned buffers for cache and memory efficiency
+
+
+CSIT
+----
+
+The Continuous System Integration and Testing (CSIT) project provides functional and performance
+testing for FD.io VPP. This testing is focused on functional and performance regressions. The results
+are posted to `CSIT Test Report <https://docs.fd.io/csit/master/report/>`_.
+
+For more about CSIT checkout the following links:
+
+* `CSIT Code Documentation <https://docs.fd.io/csit/master/doc/overview.html>`_
+* `CSIT Test Overview <https://docs.fd.io/csit/master/report/introduction/overview.html>`_
+* `VPP Performance Dashboard <https://docs.fd.io/csit/master/trending/introduction/index.html>`_
+
+
+Packet Throughput examples
+^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Following are pointers to a few of the CSIT test reports. The test's titles read like this:
+
+<packet size>-<number of threads><number of cores>-<test>-<interface type>
+
+For example the test with the title 64b-2t1c-l2switching-base-i40e is the
+test that does l2 switching using 64 byte packets, 2 threads, 1 core using an i40e
+interface.
+
+Here are a few examples:
+
+* `L2 Ethernet switching <https://docs.fd.io/csit/master/report/vpp_performance_tests/packet_throughput_graphs/l2.html>`_
+* `IPv4 Routing <https://docs.fd.io/csit/master/report/vpp_performance_tests/packet_throughput_graphs/ip4.html>`_
+* `IPv6 Routing <https://docs.fd.io/csit/master/report/vpp_performance_tests/packet_throughput_graphs/ip6.html>`_
+
+
+Trending Throughput Graphs
+^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+These are some of the trending packet throughput graphs from the CSIT `trending dashboard <https://docs.fd.io/csit/master/trending/introduction/index.html>`_. **Please note that**, performance in the trending graphs will change on a nightly basis in line with the software development cycle:
+
+* `L2 Ethernet Switching Trending <https://docs.fd.io/csit/master/trending/trending/l2.html>`_
+* `IPv4 Routing Trending <https://docs.fd.io/csit/master/trending/trending/ip4.html>`_
+* `IPv6 Routing Trending <https://docs.fd.io/csit/master/trending/trending/ip6.html>`_