Chisel

Open-source projects categorized as Chisel
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Language: + Scala + C#
Topics: Scala Rtl Riscv chip-generator rocket-chip
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Top 10 Chisel Open-Source Projects

  • chisel

    Chisel: A Modern Hardware Design Language (by chipsalliance)

    • Project mention: Calyx: Intermediate Language for Hardware Accelerators | news.ycombinator.com | 2024-02-26

    My first instinct was to ask "Does this play well with CIRCT?" And thankfully they answer that right away in the README.

    I'm personally of the opinion that there is a LOT of room for improvement in the hardware design tooling space, but a combination of market consolidation, huge pressure to meet deadlines, and an existing functional pipeline of Verilog/VHDL talent is preventing changes.

    That's not to say "Verilog/VHDL are bad", because clearly they've been good enough to support nearly all of the wonderful designs powering today's devices. But it is to say, "the startup scene for hardware will continue to look anemic compared to the SaaS scene until someone gives me all of the niceties I have for building SaaS tools in software."

    A huge amount of ideas (and entire designs) start off as software sims, which enables kernel/compiler engineers to start building out support for new hardware before it's manufactured.

    There is some interesting work going on at SiFive building hardware with Chisel[1], as well as some interesting work lead by a professor at William and Mary to improve simulations[2].

    1: https://www.chisel-lang.org

    2: https://github.com/sarchlab/akita

  • rocket-chip

    Rocket Chip Generator

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  • riscv-boom

    SonicBOOM: The Berkeley Out-of-Order Machine

    • Project mention: Is RISC-V ready for HPC? Evaluating the 64-core Sophon SG2042 RISC-V CPU | news.ycombinator.com | 2023-12-10

  • chipyard

    An Agile RISC-V SoC Design Framework with in-order cores, out-of-order cores, accelerators, and more

    • Project mention: Chisel: A Modern Hardware Design Language | news.ycombinator.com | 2023-12-27

    It's probably true that Chisel isn't right for industry -- Google tried it too for the TPU project and eventually went back to Verilog. That said, I think it's main win is that it is great from a research / open-source perspective.

    Taking advantage of the functional nature of Chisel enables a set of generators called Chipyard [0] for things like cores, networking peripherals, neural network accelerators, etc. If you're focusing on exploring the design space of one particular accelerator and don't care too much about the rest of the chip, you can get a customized version of the RTL for the rest of your chip with ease. All the research projects in the lab benefit from code changes to the generators.

    Chisel even enables undergraduate students (like me!) to tape out a chip on a modern-ish process node in just a semester, letting Chisel significantly reduce the amount of RTL we have to write. Most of the remaining time is spent working on the actual physical design process.

    [0]: https://github.com/ucb-bar/chipyard

    [1]: https://classes.berkeley.edu/content/2023-Spring-ELENG-194-0...

  • riscv-mini

    Simple RISC-V 3-stage Pipeline in Chisel

  • Chisel.Prototype

    Work in progress prototype for the Chisel Level Editor, for Unity

  • Chisel-Strike

    A .NET XOR encrypted cobalt strike aggressor implementation for chisel to utilize faster proxy and advanced socks5 capabilities.

  • WorkOS

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  • chiseltest

    The batteries-included testing and formal verification library for Chisel-based RTL designs.

  • chiselverify

    A dynamic verification library for Chisel.

  • chisel-template

    Chisel HDL Template Repository (by carlosedp)

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

Chisel related posts

Index

What are some of the best open-source Chisel projects? This list will help you:

Project Stars
1 chisel 3,708
2 rocket-chip 3,002
3 riscv-boom 1,593
4 chipyard 1,428
5 riscv-mini 493
6 Chisel.Prototype 453
7 Chisel-Strike 423
8 chiseltest 198
9 chiselverify 130
10 chisel-template 4

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