How to Cite

The following paper may be used as a general citation for VTR (bibtex format):

 @article{vtr9,
     author = {Elgammal, Mohamed A. and Mohaghegh, Amin and Shahrouz, Soheil Gholami and Mahmoudi, Fatemehsadat and Ko\c{s}ar, Fahrican and Talaei, Kimia and Fife, Joshua and Khadivi, Daniel and Murray, Kevin and Boutros, Andrew and Kent, Kenneth B. and Goeders, Jeff and Betz, Vaughn},
     title = {VTR 9: Open-Source CAD for Fabric and Beyond FPGA Architecture Exploration},
     year = {2025},
     publisher = {Association for Computing Machinery},
     address = {New York, NY, USA},
     url = {https://doi.org/10.1145/3734798},
     doi = {10.1145/3734798},
     journal = {ACM Trans. Reconfigurable Technol. Syst.},
     month = May
}

License

Generally most code in VTR is under MIT license, with the exception of ABC which is distributed under its own (permissive) terms. See the full license (LICENSE.md) included with VTR for details.

Official Release

The official VTR release is available from:

https://github.com/verilog-to-routing/vtr-verilog-to-routing/releases

Development Trunk

The development trunk is hosted at:

https://github.com/verilog-to-routing/vtr-verilog-to-routing

Unlike the nicely packaged offical releases the trunk code in a constant state of flux. You should expect that the tools are not always stable and that more work is needed to get the flow to run.

Legacy releases

Pre VTR 8 releases are no longer supported, but are available from:

http://www.eecg.utoronto.ca/vtr/terms.html