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+.. _about:
+
+What is VUnit?
+==============
+
+VUnit is an open source unit testing framework for VHDL/SystemVerilog released under the terms of `Mozilla Public
+License, v. 2.0`_.
+It features the functionality needed to realize continuous and automated testing of your HDL code.
+VUnit doesn't replace but rather complements traditional testing methodologies by supporting a *"test early and often"*
+approach through automation.
+
+VUnit reduces the overhead of testing by supporting automatic discovery of test benches and compilation order as well
+as including libraries for common verification tasks.
+It improves the speed of development by supporting incremental compilation and by enabling large test benches to be
+split up into smaller independent tests.
+It increases the quality of projects by enabling large regression suites to be run on a continuous integration server.
+
+VUnit does not impose any specific verification methodology on its users.
+The benefits of VUnit can be enjoyed when writing tests first or last, when writing long running top level tests or
+short running unit tests, when using directed or constrained random testing.
+Often projects adopt mix of approaches for different testing needs.
+VUnit has been used in production environments where thousands of tests take several hours to run on powerful multi-core
+machines as well as in small open source projects where only a small package is tested in a few seconds.
+
+Main Features
+-------------
+
+* :ref:`Scriptable API <python_interface>` as well as :ref:`command line <cli>` support.
+
+ * Has ``--gui`` switch to launch test cases in the simulator GUI when debugging is necessary.
+
+* Automatic scanning of files for tests, file dependencies, and file changes enable automatic (incremental)
+ (re)compilation and execution of test suites.
+
+* Python test suite runner that enables powerful test administration:
+
+ * Can continue testing after fatal run-time errors (e.g. division by zero).
+ * Ensures test case independence.
+ * Can run test cases in parallel to take advantage of multi-core machines.
+ * Support for running test benches with multiple generic/parameter settings.
+ * Requirements trace-ability through :ref:`JSON Export <json_export>` and :ref:`test attributes <attributes>`.
+ * Outputs JUnit report files for better `Jenkins`_ :ref:`integration <continuous_integration>`.
+ * Builds on the commonly used `xUnit`_ architecture.
+
+* :ref:`Built-in HDL utility libraries <hdl_libraries>`:
+
+ * :doc:`Run library <./run/user_guide>` providing functionality for declaring multiple test cases within HDL
+ testbenches.
+ * :doc:`Assertion checker library <./check/user_guide>` that extends VHDL built-in support (assert).
+ * :doc:`Logging framework <./logging/user_guide>` supporting display and file output, different log levels, visibility
+ settings of levels and design hierarchy, output formatting and multiple loggers.
+ Supports machine readable output formats that for example can be read by a spreadsheet.
+
+ * For simulartors without VHDL 2019 call path support, an optional location preprocessor traces log and check
+ calls back to file and line number.
+
+ * Convenient :doc:`Data Types <./data_types/user_guide>` to deal with queues and/or dynamic arrays of integers in up
+ to three dimensions.
+ * :doc:`Communication library <./com/user_guide>` providing a high-level communication mechanism based on the
+ `actor model <http://en.wikipedia.org/wiki/Actor_model>`__.
+ * :doc:`Verification Components library <./verification_components/user_guide>` providing verification components (VCs)
+ for interfaces such as AXI, Avalon or Wishbone, along with utilities for writing your own self-checking VCs.
+ * Third-party submodules:
+
+ * `OSVVM <https://github.com/OSVVM/OSVVM>`__
+ * `JSON-for-VHDL <https://github.com/Paebbels/JSON-for-VHDL>`__
+
+Overview
+--------
+
+.. figure:: _static/VUnit_diagram.png
+ :alt: Block diagram of VUnit
+ :width: 100%
+ :align: center
+
+ Block diagram of VUnit.
+
+The core of VUnit is the Python plumbing composed by the library and testbench API, the simulator interfaces and the
+runner for interacting with HDL testbenches.
+Sibling ``run`` HDL libraries allow specifying tests within testbenches.
+
+Moreover, VUnit includes multiple optional HDL libraries, along with third-party resources such as OSVVM and JSON-for-VHDL.
+Those are made available through the built-ins API, which is based on the library and testbench API.
+
+Both the core and builtins are available in the public :ref:`python_interface` of VUnit.
+Details about how to execute a project are explained in :ref:`cli`.
+Further info about the optional libraries is found in :ref:`hdl_libraries`.
+
+Experimental co-simulation through GHDL's VHPIDIRECT is supported in `VUnit/cosim <https://vunit.github.io/cosim/>`__.
+
+Getting Started
+---------------
+
+There are a number of ways to get started.
+
+- :ref:`VUnit User Guide <user_guide>` will guide users on how to start using the basic features of VUnit but also
+ provides information about more specific and advanced usage.
+- :ref:`Run Library User Guide <run_library>` presents the run packages.
+- :ref:`Check Library User Guide <check_library>` presents the check packages.
+- :ref:`Logging Library User Guide <logging_library>` presents the log packages.
+- There are also various presentations of VUnit on `YouTube`_.
+ For example `an introduction to unit testing (6 min)`_ and a `short introduction to VUnit (12 min)`_.
+
+Support
+-------
+
+Any bug reports, feature requests or questions about the usage of VUnit can be made by creating a `new issue`_.
+
+Credits and License
+-------------------
+
+Substantial contributors are shown in the table below, but many others contributed with minor patches.
+Find a list at `github.com/VUnit/vunit/graphs/contributors <https://github.com/VUnit/vunit/graphs/contributors>`__.
+
+With apologies to anyone who ought to be either on this table or in the GitHub contributor list, but isn't.
+Thanks also to all those who have reported bugs and support issues, and often patches and testcases.
+
+================================================================================ ================================================================================================================================================================================================
+Contributor [#f1]_ Role
+================================================================================ ================================================================================================================================================================================================
+Asplund, Lars [`@LarsAsplund <https://github.com/LarsAsplund>`__] [#f2]_ Founder and main author of VUnit as a whole
+Kraigher, Olof [`@kraigher <https://github.com/kraigher>`__] Founder and main author of VUnit until v4
+Marquardt, Colin [`@cmarqu <https://github.com/cmarqu>`__] Cadence Incisive support
+Martinez-Corral, Unai [`@umarcor <https://github.com/umarcor>`__] [#f2]_ Continuous Integration (CI), Co-simulation with GHDL's VHPIDIRECT interface (`VUnit/cosim <https://github.com/VUnit/cosim>`_, based on `ghdl/ghdl-cosim <https://github.com/ghdl/ghdl-cosim>`_)
+Siluk, Sławomir [`@slaweksiluk <https://github.com/slaweksiluk>`__] Verification Components (such as Avalon and Wishbone)
+================================================================================ ================================================================================================================================================================================================
+
+.. [#f1] In alphabetical order
+.. [#f2] Maintainer
+
+.. include:: license.rst
+
+.. _xUnit: http://en.wikipedia.org/wiki/XUnit
+.. _Jenkins: http://jenkins-ci.org/
+.. _YouTube: https://www.youtube.com/channel/UCCPVCaeWkz6C95aRUTbIwdg
+.. _an introduction to unit testing (6 min): https://www.youtube.com/watch?v=PZuBqcxS8t4
+.. _short introduction to VUnit (12 min): https://www.youtube.com/watch?v=D8s_VLD91tw
+.. _new issue: https://github.com/VUnit/vunit/issues/new
diff --git a/_sources/blog/2015_09_24_short_introduction_to_vunit.rst.txt b/_sources/blog/2015_09_24_short_introduction_to_vunit.rst.txt
@@ -0,0 +1,98 @@
+:tags: VUnit
+:author: lasplund
+:excerpt: 2
+
+.. _short_introduction_to_vunit_post:
+
+Short Introduction to VUnit
+===========================
+**Originally posted and commented on** `LinkedIn <https://www.linkedin.com/pulse/short-introduction-vunit-lars-asplund?trk=mp-author-card>`_.
+
+
+.. image:: img/4x.png
+
+`VUnit <https://github.com/VUnit/vunit>`__ is a free and open source
+unit testing framework for VHDL that was released in November last year.
+Initially it supported ModelSim, then GHDL support was added in June,
+and a few days ago we added support for Active-HDL and Riviera-PRO. The
+latest addition makes the tool available for a new group of users and
+this is a short introduction for you.
+
+The basic idea with unit testing is to code and test in short cycles to
+get frequent feedback on progress from day one. Most of us add bugs many
+times a day so we need to complete these cycles at the same pace to
+limit the consequences. If we're going to test many times a day, not
+only what we just added but also do regression testing, it has to be an
+automated and speed optimized task.
+
+Automation means that our testbenches and their test cases have to be
+self-checking but also that we need to automate the execution all these
+tests or a selected subset thereof. As soon as we introduce manual steps
+in this workflow we tend to postpone the testing and the short code/test
+cycle is broken.
+
+VUnit provides a :vunit_file:`check package <vunit/vhdl/check/user_guide.md>`
+for making tests self-checking and the :vunit_file:`test runner <user_guide.md>`
+is responsible for the execution. The test runner will scan your project
+directories for source files and tests, figure out their dependencies
+and what have been modified, compile what's needed and then run the
+selected tests as specified from command line. For example,
+
+.. code:: console
+
+ # Incrementally compile and run all testbenches and test cases found.
+ # Report pass/fail result for each.
+ $ python run.py
+ test case
+
+ # Run all test cases in testbench tb_foo
+ $ python run.py *tb_foo*
+
+ # Speed up the test by running the test cases in 6 parallel threads.
+ # Make use of all the CPU cores!
+ $ python run.py -p 6 *tb_foo*
+
+ # Launch the tb_foo test case "Test that reset initializes all outputs" in the simulator GUI such that it can be debugged
+ $ python run.py --gui "*tb_foo.Test that reset initializes all outputs"
+
+VUnit is lightweight. A typical setup adds 8 lines to your normal
+testbench code and one extra line for each test case in that testbench.
+Everything is pure VHDL so it can be run without the run.py script if
+you want to. The typical run.py script is 4 lines of code plus one extra
+line for each VHDL library you want to create and each directory where
+you want the test runner to scan for source files. You don't have to
+know Python, just start with a the template and insert your library
+names and source paths.
+
+In addition to the core functionality described above VUnit contains a
+number of other useful features. For example,
+
+- A message passing mechanism that enables high-level communication
+ between testbench components. It allows you to send almost any type
+ of data to anyone located anywhere. All you have to deal with is the
+ name of the receiver and what data to send. The strongly typed nature
+ of VHDL has been hidden which means that you can send data of a
+ custom type using the provided send procedure. You don't have to
+ define your own procedures for every data/message type you create.
+ Message passing can be used for sending transactions without some of
+ the limitations of pin-wiggling and procedure-based transactions but
+ it is also the basis for several other communication patterns. For
+ more info see the :vunit_file:`com user guide <vunit/vhdl/com/user_guide.md>`.
+
+- An array package that can handle multidimensional arrays. It's
+ typically used for input and output data sets to the DUT. The package
+ supports reading/writing arrays from/to file which enables file-based
+ testing. For more information see this :vunit_example:`example <vhdl/array`.
+
+- A general purpose logging framework supporting display and file
+ output, different output levels, filtering on level and design
+ hierarchy, output formatting, automatic file and line localization of
+ log entries, multiple loggers, and spreadsheet tool integration. For
+ more information see the :vunit_file:`logging user guide <vunit/vhdl/logging/user_guide.md>`.
+
+VUnit is a truly open project formed by its community. If you want to
+follow the progress you can click on "watch" on the project
+`homepage <https://github.com/VUnit/vunit>`__. If you like what you see
+click on "star". If it's something you don't like or you miss a feature
+you should create an `issue <https://github.com/VUnit/vunit/issues>`__.
+You can also make your own code :vunit_file:`contributions <developing.md>`.
diff --git a/_sources/blog/2015_10_08_who_is_using_UVM.rst.txt b/_sources/blog/2015_10_08_who_is_using_UVM.rst.txt
@@ -0,0 +1,33 @@
+:tags: VUnit
+:author: lasplund
+:excerpt: 2
+
+Who's Using UVM (or Not) for FPGA Development, and Why?
+=======================================================
+
+**Originally posted and commented on** `LinkedIn
+<https://www.linkedin.com/pulse/whos-using-uvm-fpga-development-why-lars-asplund?trk=mp-author-card>`__.
+
+.. image:: img/uvm.png
+
+Over the last few years a number of open source test solutions have
+emerged. I'm talking about tools like our
+`VUnit <https://github.com/VUnit/vunit>`__ but also others like
+`OSVVM <http://osvvm.org/>`__,
+`Cocotb <https://github.com/potentialventures/cocotb>`__,
+`BVUL <http://bitvis.no/products/bitvis-utility-library/>`__, and
+`SVUnit <http://www.agilesoc.com/open-source-projects/svunit/>`__. The
+people developing these tools all had the question:
+
+*Why are you doing this? Why not use UVM?*
+
+These questions often come from people promoting UVM so it becomes a
+discussion among people heavily involved in one solution or the other.
+This time I would like to hear the opinions of the larger community. Why
+did you decide to use UVM for your FPGA development? Why did you decide
+not to? Maybe you're using UVM for parts of the testing but not all?
+
+All tools can be used for ASIC development but I think the question is
+more interesting when talking about FPGAs so let's focus on that for
+now. I welcome the people developing these tools to answer as well but
+please state who you are.
diff --git a/...s/blog/2015_12_15_free_and_open_source_verification_with_vunit_and_ghdl.rst.txt b/...s/blog/2015_12_15_free_and_open_source_verification_with_vunit_and_ghdl.rst.txt
@@ -0,0 +1,40 @@
+:tags: VUnit
+:author: lasplund
+:excerpt: 2
+
+
+Free and Open Source Verification with VUnit and GHDL
+=====================================================
+**Originally posted and commented on** `LinkedIn
+<https://www.linkedin.com/pulse/free-open-source-verification-vunit-ghdl-lars-asplund?trk%20=pulse_spock-articles>`__.
+
+.. image:: img/CPU_load.png
+
+`VUnit <https://github.com/VUnit/vunit>`__ is a free and open source
+(FOSS) unit testing framework for VHDL that supports ModelSim,
+Rivera-PRO, GHDL, and Active-HDL. GHDL is a FOSS simulator which VUnit
+started to support 6 months ago but until recently you had to build GHDL
+yourself from source code to get a version working with VUnit. This was
+inconvenient and made it harder to get started but with the official
+release of GHDL 0.33 this is no longer an issue and you can
+`download <http://sourceforge.net/projects/ghdl-updates/files/Builds/ghdl-0.33/>`__
+binary builds directly.
+
+A free simulator opens up a number of possibilities. For example, you
+can continue to develop new code and interact with your favorite
+simulator while GHDL is running your regression tests in the background
+on the other CPU cores. With VUnit you can simply do
+
+.. code-block:: console
+
+ $ python run.py -p 7
+
+to start running your test cases in 7 parallel threads and make use of
+all your processing power. The image above shows the load difference
+between just running a simulation in my normal simulator (the first load
+peak) and also running 7 threads of VUnit test cases in the background
+with GHDL (second 100% load peak).
+
+If you're new to VUnit and want more information I recommend that you
+start with this short :ref:`introduction
+<short_introduction_to_vunit_post>`.
diff --git a/_sources/blog/2016_01_26_welcome_to_our_new_website.rst.txt b/_sources/blog/2016_01_26_welcome_to_our_new_website.rst.txt
@@ -0,0 +1,32 @@
+:tags: VUnit
+:author: lasplund
+:excerpt: 1
+
+Welcome to Our New Website
+==========================
+.. image:: img/vunit_github_io.png
+
+Today I moved VUnit from my personal GitHub account to a dedicated
+`VUnit account <https://www.github.com/VUnit/vunit>`__. Links to the
+previous account are redirected to the new so your clones of VUnit
+should not be affected. However, I suggest you update your remote
+location to avoid any confusion.
+
+::
+
+ git remote set-url origin https://github.com/VUnit/vunit.git
+
+With the new account comes a new website
+`VUnit.github.io <http://VUnit.github.io>`__. One of the purposes with
+this site is to concentrate information to one place instead of
+publishing posts on LinkedIn like I've done before. We will continue to
+improve on this site to complement the functionality already available
+in the VUnit GitHub repository which you can always reach by clicking
+the GitHub cat icon at the bottom of this page. There you will also find
+links to the `YouTube
+channel <https://youtube.com/channel/UCCPVCaeWkz6C95aRUTbIwdg>`__,
+`mail <mailto:[email protected]>`__, and our newly created
+`twitter account <https://www.twitter.com/VUnitFramework>`__ which you
+can follow to receive VUnit related news.
+
+Lars
diff --git a/_sources/blog/2016_01_29_chat_with_vunit_users_and_developers.rst.txt b/_sources/blog/2016_01_29_chat_with_vunit_users_and_developers.rst.txt
@@ -0,0 +1,10 @@
+:tags: VUnit
+:author: lasplund
+:excerpt: 1
+
+Chat with VUnit Users and Developers
+====================================
+Today I created a VUnit chat room using Gitter. Click the chat icon on
+the left of the page to join the discussion.
+
+Lars
diff --git a/_sources/blog/2016_02_01_website_updates.rst.txt b/_sources/blog/2016_02_01_website_updates.rst.txt
@@ -0,0 +1,24 @@
+:tags: VUnit
+:author: lasplund
+:excerpt: 2
+
+.. _vunit_website_updates:
+
+
+Website Updates
+===============
+
+.. figure:: img/blogging_chat_room_documentation.png
+
+Our website has been updated with a
+`Gitter <https://gitter.im>`__-based
+`chat <https://gitter.im/VUnit/vunit>`__ and an improved
+`documentation <http://vunit.github.io/documentation.html>`__ platform
+based on `Sphinx <http://www.sphinx-doc.org/en/stable/>`__. When
+changing to Sphinx it came natural to also switch the blogging platform
+to `ABlog <http://ablog.readthedocs.org/>`__ which is based on Sphinx.
+
+The chat has just been active for a few days but it's already very
+active. Currently it's used to port VUnit to Cadence Incisive. We don't
+have such licenses but the chat has been used to support the porting
+work done by people that do. FOSS collaboration at its best!