signalflip-js
verilator testbench w/ Javascript using N-API (by ameetgohil)
iverilog
Icarus Verilog (by steveicarus)
signalflip-js | iverilog | |
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3 | 11 | |
16 | 2,650 | |
- | - | |
0.0 | 9.6 | |
10 months ago | 20 days ago | |
C++ | C++ | |
MIT License | GNU General Public License v3.0 only |
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
signalflip-js
Posts with mentions or reviews of signalflip-js.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2022-05-23.
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Open-source SystemVerilog simulation support using cocotb
I created my own framework for verilator testbenches in node-js - https://github.com/ameetgohil/signalflip-js
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How to simulate Verilog designs REALLY quickly ?
I made a package called signalflip-js which would be good fit especially for a web app. It wraps the verilator testbench with javascript. An interesting thing to try here would be to compile verilator to wasm and use the wasm binary. DM me if you pick this route and need help
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Verilator: Suggestions for verification framework?
I use signalflip-js, a framework I created using node-js before cocotb had verilator support. The framework has fairly efficient multi-clock support where it will only evaluate the model if there is an edge toggle. It also has phase support, kind of like UVM, where you can schedule tasks for Pre-run Phase, Reset Phase, Run Phase, and Post-run phase.
iverilog
Posts with mentions or reviews of iverilog.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-04-12.
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Which System Verilog Simulator to use if I need SVA Assertions?
Also, Icarus says that they do not support assertions in their full-generality either:
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Trying to learn and work with FPGAs
The toolchains come with their own simulators, but there are also open source ones you can use. For Verilog you have ICARUS Verilog and Verilator. For VHDL there is GHDL.
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Open-source SystemVerilog simulation support using cocotb
This is not, in general, true. While iverilog may support some SV features, it is far from complete and does not support some very common use cases. For example, interfaces.
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Order of assignments in verilog
However, I find that it's always read-before-write in Icarus Verilog. Is my tool wrong? Is the book wrong? Is this situation actually ambiguous?
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Ben's 8 Bit Computer in an FPGA
I have no intention to run it on real FPGA ever, Icarus Verilog simulator suits me well enough.
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Building the 8-bit computer in software
As the idea was to make it more realistic, I started by making (hopefully accurate representation of) 74-series logic chips in Verilog. Then wired them into higher level modules, and merged those into complete CPU. Runs quite good in Icarus Verilog.
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Where do I start with RISC-V/
I'd suggest starting with simulation using Icarus Verilog or Verilator. And gtkwave to display simulation output.
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100 Languages Speedrun: Episode 28: Verilog
We'll specifically be using Icarus Verilog.
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Transition from soc Design to Design Verification?
In the open-source world, learning UVM isn't practical. There just isn't a simulator that can run it. However, if you use something like PyUVM with CocoTB, along with verilator or Icarus as an RTL simulator you code start writing test benches around some simple verilog components.
- How much to buy these tools? I got this from openfpga website, thanks
What are some alternatives?
When comparing signalflip-js and iverilog you can also consider the following projects:
verilator - Verilator open-source SystemVerilog simulator and lint system
logisim-evolution - Digital logic design tool and simulator
chisel - Chisel: A Modern Hardware Design Language
slang - SystemVerilog compiler and language services
cocotb - cocotb, a coroutine based cosimulation library for writing VHDL and Verilog testbenches in Python
veridian - A SystemVerilog Language Server
verible - Verible is a suite of SystemVerilog developer tools, including a parser, style-linter, formatter and language server
pyuvm - The UVM written in Python
Digital - A digital logic designer and circuit simulator.
8-bit-CPU - Homebrew 8-bit CPU
ulx3s-toolchain - ULX3S FPGA, RISC-V, ESP32 toolchain installer scripts