openlane
OpenROAD
openlane | OpenROAD | |
---|---|---|
12 | 7 | |
1,179 | 1,328 | |
2.6% | 3.7% | |
8.4 | 10.0 | |
7 days ago | 6 days ago | |
Python | Verilog | |
Apache License 2.0 | BSD 3-clause "New" or "Revised" License |
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openlane
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[D][P] Represent Analog Circuits as Graphs
I would suggest Verilog-to-routing as the best open source tool ive used that deals with abstract circuit representations on an FPGA or similar architecture. but tools like Align and Magical both accept circuit inputs as netlists and have to represent them internally for generating layout so might be easier to understand their approach depending on your familiarity with analog circuits. One more option is to look up OpenLane flow, its more an amalgamation of lots of tools but definitely also represents circuits as a graph for manipulation later on.
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how small team survive from cadence cost
There are open source alternatives. https://github.com/The-OpenROAD-Project/OpenLane
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VLSI Tools
OpenLane
- Compiling Code into Silicon
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Kickstarting IC design
And, there is a project called 'The OpenROAD Project' which has created an open-source framework for digital back-end design/physical design. https://github.com/The-OpenROAD-Project/OpenLane
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How are modern processors and their architecture designed?
For "how the architecture is brought to silicon": Look at OpenLane. It's a complete Verilog to GDS flow, all open source and already used for some tape-outs. https://github.com/The-OpenROAD-Project/OpenLane
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Project Ideas for Uni
Maybe you can do something that can also go to an ASIC. Take a look at openlane flow, you don't need to do the backend since it is mostly script based and you can even send it to next Skywater submission. The major problem is that you currently don't have sram access so you need to create rams from logic if you need to.
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ASIC design post layout for padding.
I am not sure if you can do padding with this but dropping this down in case you haven't heard it: https://github.com/The-OpenROAD-Project/OpenLane
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Resources for a physical design engineer
Specifically openlane (https://github.com/The-OpenROAD-Project/OpenLane is a great way to start, although it's very painful trying to do complex designs. However, they're pretty helpful answering questions on Gitter
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Intro into chip design
https://github.com/efabless/openlane The README is very helpful
OpenROAD
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Importance of Open-Source EDA Tools for Academia
> [1]: https://theopenroadproject.org/
All it takes to check your point is to scroll down to the end and follow the link at the bottom of the page to the FOSSI foundation, who hosted this open letter, to realize that they have also developed some widely used EDA tools. Here's a link on case you have missed it
https://fossi-foundation.org/our-work/projects
- OpenROAD
- Ser programador científico en chile
- OpenROAD: Open IC Design Sythesis from Verilog
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I see that many open riscv cores use Scala that generate verilog. Is this common practice?
If you're interested in tools, I highly recommend going through the (Google-supported) OpenROAD toolset - these guys are building up a open-source infrastructure for the full digital flow: https://theopenroadproject.org/ .
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VLSI Tools
You can have a quick look at OpenROAD. It is open source but will take sometime to get started with.
What are some alternatives?
skywater-pdk - Open source process design kit for usage with SkyWater Technology Foundry's 130nm node.
OpenROAD-flow-scripts - OpenROAD's scripts implementing an RTL-to-GDS Flow. Documentation at https://openroad-flow-scripts.readthedocs.io/en/latest/
picorv32 - PicoRV32 - A Size-Optimized RISC-V CPU
siliconcompiler - A modular build system for hardware
freepdk-45nm - ASIC Design Kit for FreePDK45 + Nangate for use with mflowgen
XiangShan - Open-source high-performance RISC-V processor
rocket-chip - Rocket Chip Generator
chisel-template - A template project for beginning new Chisel work
NTHU-ICLAB - 清華大學 | 積體電路設計實驗 (IC LAB) | 110上
hammer - Hammer: Highly Agile Masks Made Effortlessly from RTL
riscv - RISC-V CPU Core (RV32IM)
caravel_fulgor_opamp - Test Chip General Purpose OpAmp using Skywater SKY130 PDK