Choice of Python HDL library

1. hVHDL_example_project

   1 10 29 5.6 VHDL

   An example project which uses many of the ideas and features of the hVHDL libraries like fixed and floating point math modules and has build scripts for most common FPGAs

   

2. InfluxDB

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3. migen

   2 4 1,302 5.1 Python

   A Python toolbox for building complex digital hardware

   

   I also happen to really believe in RTL design using high-level languages to enable software design techniques such as object orientation. My master's thesis was written entirely in Migen and I think it served me extremely well.

4. litex

   3 30 3,468 9.7 C

   Build your hardware, easily!

   

   While I think Migen is a really nice library, it's also a pretty dead project, since the main people behind it moved over to Amaranth. It has one large upside in the fact Litex still uses it as the backend and they seem on the fence between moving over to Amaranth or rolling their own HDL library. For me Litex feels very important, but at the same time, my focus is on compute kernels and not some complicated NOCs.

5. myhdl

   4 17 1,095 4.5 Python

   The MyHDL development repository

   

   MyHDL

6. pymtl3

   5 5 426 4.2 Python

   Pymtl 3 (Mamba), an open-source Python-based hardware generation, simulation, and verification framework

   

   PyMTL

7. hVHDL_floating_point

   6 3 18 7.2 VHDL

   high level VHDL floating point library for synthesis in fpga

   

   The file has 86 lines, but this functionality could be implemented with just 10 lines of code by using a procedure call to create_first_order_filter which can is defined here https://github.com/hVHDL/hVHDL_floating_point/blob/main/float_first_order_filter/float_first_order_filter_pkg.vhd

8. rohd

   7 9 438 7.6 Dart

   The Rapid Open Hardware Development (ROHD) framework is a framework for describing and verifying hardware in the Dart programming language.

   

   Check out ROHD: https://github.com/intel/rohd

9. Sevalla

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10. magma

    8 3 261 7.3 Python

    magma circuits (by phanrahan)

    

11. hVHDL_fixed_point

    9 3 23 8.1 VHDL

    VHDL library of high abstraction level synthesizable mathematical functions for multiplication, division and sin/cos functionalities and abc to dq transforms.

    

    How this works in practice can be seen for example in a rom module. https://github.com/hVHDL/hVHDL_math_library/blob/main/sincos/lut_sine_pkg.vhd

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