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-Performance Impact of Meltdown Patches
-======================================
-
-The following tables present performance impact on VPP after
-applying patches addressing Meltdown (Variant3: Rogue Data Cache Load) security
- ulnerabilities. Incremental kernel patches are applied for Ubuntu 16.04LTS as
-documented on `Ubuntu SpectreAndMeltdown page <https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/SpectreAndMeltdown>`_.
-For detailed listing of used software versions and patches please refer
-to :ref:`test_environment`.
-
-NDR and PDR packet throughput results are compared for 1-core/1-thread,
-2-cores/2-threads and 4-cores/4-threads VPP configurations, with
-reference performance numbers coming from tests without the Meltdown
-patches.
-
-NDR throughput: Best 20 changes
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-.. only:: html
-
- .. csv-table::
- :align: center
- :file: ../../_static/vpp/meltdown-impact-ndr-1t1c-top.csv
-
-.. only:: latex
-
- .. raw:: latex
-
- \makeatletter
- \csvset{
- perfimprovements column width/.style={after head=\csv@pretable\begin{longtable}{m{4cm} m{#1} m{#1} m{#1} m{#1} m{#1}}\csv@tablehead},
- }
- \makeatother
-
- {\tiny
- \csvautobooklongtable[separator=comma,
- respect all,
- no check column count,
- perfimprovements column width=1cm,
- late after line={\\\hline},
- late after last line={\end{longtable}}
- ]{../_build/_static/vpp/meltdown-impact-ndr-1t1c-top.csv}
- }
-
-NDR throughput: Worst 20 changes
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-.. only:: html
-
- .. csv-table::
- :align: center
- :file: ../../_static/vpp/meltdown-impact-ndr-1t1c-bottom.csv
-
-.. only:: latex
-
- .. raw:: latex
-
- \makeatletter
- \csvset{
- perfimprovements column width/.style={after head=\csv@pretable\begin{longtable}{m{4cm} m{#1} m{#1} m{#1} m{#1} m{#1}}\csv@tablehead},
- }
- \makeatother
-
- {\tiny
- \csvautobooklongtable[separator=comma,
- respect all,
- no check column count,
- perfimprovements column width=1cm,
- late after line={\\\hline},
- late after last line={\end{longtable}}
- ]{../_build/_static/vpp/meltdown-impact-ndr-1t1c-bottom.csv}
- }
-
-.. only:: html
-
-NDR throughput: All changes
-~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-Complete results for all NDR tests are available in a CSV and pretty
-ASCII formats:
-
- - `csv format for 1t1c <../../_static/vpp/meltdown-impact-ndr-1t1c-full.csv>`_,
- - `csv format for 2t2c <../../_static/vpp/meltdown-impact-ndr-2t2c-full.csv>`_,
- - `csv format for 4t4c <../../_static/vpp/meltdown-impact-ndr-4t4c-full.csv>`_,
- - `pretty ASCII format for 1t1c <../../_static/vpp/meltdown-impact-ndr-1t1c-full.txt>`_,
- - `pretty ASCII format for 2t2c <../../_static/vpp/meltdown-impact-ndr-2t2c-full.txt>`_,
- - `pretty ASCII format for 4t4c <../../_static/vpp/meltdown-impact-ndr-4t4c-full.txt>`_.
-
-PDR throughput: Best 20 changes
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-.. only:: html
-
- .. csv-table::
- :align: center
- :file: ../../_static/vpp/meltdown-impact-pdr-1t1c-top.csv
-
-.. only:: latex
-
- .. raw:: latex
-
- \makeatletter
- \csvset{
- perfimprovements column width/.style={after head=\csv@pretable\begin{longtable}{m{4cm} m{#1} m{#1} m{#1} m{#1} m{#1}}\csv@tablehead},
- }
- \makeatother
-
- {\tiny
- \csvautobooklongtable[separator=comma,
- respect all,
- no check column count,
- perfimprovements column width=1cm,
- late after line={\\\hline},
- late after last line={\end{longtable}}
- ]{../_build/_static/vpp/meltdown-impact-pdr-1t1c-top.csv}
- }
-
-PDR throughput: Worst 20 changes
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-.. only:: html
-
- .. csv-table::
- :align: center
- :file: ../../_static/vpp/meltdown-impact-pdr-1t1c-bottom.csv
-
-.. only:: latex
-
- .. raw:: latex
-
- \makeatletter
- \csvset{
- perfimprovements column width/.style={after head=\csv@pretable\begin{longtable}{m{4cm} m{#1} m{#1} m{#1} m{#1} m{#1}}\csv@tablehead},
- }
- \makeatother
-
- {\tiny
- \csvautobooklongtable[separator=comma,
- respect all,
- no check column count,
- perfimprovements column width=1cm,
- late after line={\\\hline},
- late after last line={\end{longtable}}
- ]{../_build/_static/vpp/meltdown-impact-pdr-1t1c-bottom.csv}
- }
-
-.. only:: html
-
-PDR throughput: All changes
-~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-Complete results for all PDR tests are available in a CSV and pretty
-ASCII formats:
-
- - `csv format for 1t1c <../../_static/vpp/meltdown-impact-pdr-1t1c-full.csv>`_,
- - `csv format for 2t2c <../../_static/vpp/meltdown-impact-pdr-2t2c-full.csv>`_,
- - `csv format for 4t4c <../../_static/vpp/meltdown-impact-pdr-4t4c-full.csv>`_,
- - `pretty ASCII format for 1t1c <../../_static/vpp/meltdown-impact-pdr-1t1c-full.txt>`_,
- - `pretty ASCII format for 2t2c <../../_static/vpp/meltdown-impact-pdr-2t2c-full.txt>`_,
- - `pretty ASCII format for 4t4c <../../_static/vpp/meltdown-impact-pdr-4t4c-full.txt>`_.