rohd
myhdl
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rohd | myhdl | |
---|---|---|
8 | 15 | |
347 | 1,003 | |
3.5% | 1.5% | |
8.2 | 5.1 | |
11 days ago | 2 months ago | |
Dart | Python | |
BSD 3-clause "New" or "Revised" License | GNU Lesser General Public License v3.0 only |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
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rohd
- Intel/rohd: Hardware Development framework in the Dart programming language
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Chisel: A Modern Hardware Design Language
There's a similar project at Intel: https://github.com/intel/rohd
It uses Dart instead of Scala.
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Building a HDL (Kind of)
I've felt frustrated about SV and front end development for hardware and have been developing ROHD (https://github.com/intel/rohd) and it's been a worthwhile endeavor
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Discussion Thread
Dart is a general purpose language, there even is a hardware development framework by Intel which is made in Dart
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Choice of Python HDL library
Check out ROHD: https://github.com/intel/rohd
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[CocoTB for beginners]: FPGA/ASIC Testbenches in Python + Automated Testing in GitHub
You might be interested in checking out ROHD as well: https://github.com/intel/rohd
- Rapid Open Hardware Development (ROHD) Framework by Intel
myhdl
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Launch HN: SiLogy (YC W24) – Chip design and verification in the cloud
Thank you for tackling this critical problem for logic designiners. I think the tools available are much too old for fast paced workflows.
From my experience attempting to get a similar workflow down for my company:
I tried to use verilator a while back but ultimately I couldn't because it didn't have same constraints in the verilog language features that I was going to use in production. It doesn't even matter who was missing a feature, verilator or the proprietary tool, it was just about getting them to be same that caused the cognitive dissonance that I didn't want to deal with.
I ultimately decided to move away from verilator and use the clunky proprietary tools since it was what would be used in production. Getting "verilator compatibility" seemed like a "nice to have".
Second, the a winning local-first framework of verilator wasn't really established. You show in your example running a test from the yaml file using what looks like a bash script. Even as an experienced programmer who knows bash and sh well, I still find it very hard to write complex thoughts in it. The last high level attempt I found to bridge this gap is likely https://www.myhdl.org/ I don't know them personally, but it seemed like they had some very good thoughts on what makes writing good hardware level tests good. I think it would be worth reaching out to them if you haven't already.
The one thing that even more critical was a way to run our tests locally. The 10-20 seconds it takes to start a docker image (best case) in the cloud is really frustrating when you are "so close to finding a bug" and you "just want to see if this one line change is going to fix it". Once we got our whole pipeline going, it would take 1-6 minutes to "start a run" since it often had to rebuild previous steps that cache large parts of the design.
So I think you will want to see how you can help bring people's "local's first" workflows slowly into the cloud. Some tools (or just tutorials) that help you take a failing test, and run it locally and on the cloud will be really good especially as you get people to transition!
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Why are there only 3 languages for FPGA development?
Also PyMTL, PyRTL, and MyHDL.
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Choice of Python HDL library
MyHDL
- Show HN: PyCircTools – Build digital circuits using Python
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Tools for designing hardware in Python
Any hardware designers here who use Python for designing hardware? There are a bunch of libraries that all seem promising MyHDL, PyRTL, PyVerilog, PyLog, PyMTL3, ... All seem to work roughly the same. Write code in Python and transpile it to VHDL/Verilog. Which of these are popular and well-maintained? MyHDL looks good but it's last release was 0.10 in 2018 and for hardware design you don't want to rely on 0.x software. Anything like Chisel for Python.
- Design Hardware with Python
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FPGA engineers specialize in DSP. What is your job? How much do you get paid? What is your work day like?
It is : https://www.myhdl.org/
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Compiling Code into Silicon
Personally I have fond memories of MyHDL [0], which may be seen as another "code-to-silicon" converter (or at least as the first step of a code-to-silicon workflow). I used it only briefly, and on a school project that had surprisingly little to do with actual hardware design [1], but it really felt "Pythonic" in the best possible way.
[0]: https://www.myhdl.org/
[1]: https://github.com/lou1306/gssi/tree/master/2pc
- MyHDL open-source package for using Python as a hardware description
- GitHub - myhdl/myhdl: MyHDL is a free, open-source package for using Python as a hardware description and verification language.
What are some alternatives?
cocotbext-axi - AXI interface modules for Cocotb
chisel - Chisel: A Modern Hardware Design Language
metroboy - A repository of gate-level simulators and tools for the original Game Boy.
nmigen - A refreshed Python toolbox for building complex digital hardware. See https://gitlab.com/nmigen/nmigen
verilog-ethernet - Verilog Ethernet components for FPGA implementation
pymtl3 - Pymtl 3 (Mamba), an open-source Python-based hardware generation, simulation, and verification framework
hVHDL_floating_point - high level VHDL floating point library for synthesis in fpga
PyRTL - A collection of classes providing simple hardware specification, simulation, tracing, and testing suitable for teaching and research. Simplicity, usability, clarity, and extendability rather than performance or optimization is the overarching goal.
ResponsiveFramework - Easily make Flutter apps responsive. Automatically adapt UI to different screen sizes. Responsiveness made simple. Demo: https://gallery.codelessly.com/flutterwebsites/minimal/
Pyverilog - Python-based Hardware Design Processing Toolkit for Verilog HDL
aqueduct - Dart HTTP server framework for building REST APIs. Includes PostgreSQL ORM and OAuth2 provider.
SpinalHDL - Scala based HDL