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Network on Chip Simulator
| Date | Stars |
|---|---|
| 2026-07-25 | 331 |
| 2026-07-28 | 331 |
| 2026-07-30 | 331 |
| 2026-08-06 | 331 |
Today
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growth rate 0.00%/day
Noxim - the NoC Simulator
=========================
Welcome to Noxim, the Network-on-Chip Simulator developed at the University of Catania (Italy).
The Noxim simulator is developed using SystemC, a system description language based on C++, and
it can be downloaded under GPL license terms.
**If you use Noxim in your research, we would appreciate the following citation in any publications to which it has contributed:**
V. Catania, A. Mineo, S. Monteleone, M. Palesi and D. Patti, "Improving the energy efficiency of wireless Network on Chip architectures through online selective buffers and receivers shutdown," 2016 13th IEEE Annual Consumer Communications & Networking Conference (CCNC), Las Vegas, NV, 2016, pp. 668-673, doi: 10.1109/CCNC.2016.7444860.
[Scopus reference](https://www.scopus.com/record/display.uri?eid=2-s2.0-84966659566&origin=resultslist&sort=plf-f&src=s&sid=b531296d946a78b05f463c35c681a44c&sot=autdocs&sdt=autdocs&sl=18&s=AU-ID%2835610853000%29&relpos=14&citeCnt=6&searchTerm=)
V. Catania, A. Mineo, S. Monteleone, M. Palesi and D. Patti, "Energy efficient transceiver in wireless Network on Chip architectures," 2016 Design, Automation & Test in Europe Conference & Exhibition (DATE), Dresden, 2016, pp. 1321-1326.
[Scopus reference](https://www.scopus.com/record/display.uri?eid=2-s2.0-84973661681&origin=resultslist&sort=plf-f&src=s&sid=4bd3ffce04cc0093a84655249383aefa&sot=autdocs&sdt=autdocs&sl=18&s=AU-ID%2835610853000%29&relpos=11&citeCnt=11&searchTerm=)
Registration
------------
To receive information about new Noxim features, updates and events, please register here:
[Registration Form](https://docs.google.com/forms/d/e/1FAIpQLSfJnYQZwxC4gr4jUc-nuwuGp0MDBA-0N_TVf8hqV1DIa325Dg/viewform?c=0&w=1)
What's New ?
------------
**[22nd April 2026]**
* Added a deterministic regression test suite with pinned YAML configurations and golden outputs
* Added `./regression.sh` for reproducible simulator verification across mesh and delta topologies
* Added the [Noxim User Guide in Markdown](doc/Noxim_User_Guide.md) and [PDF](doc/Noxim_User_Guide.pdf)
* Added runtime logging, optional text/CSV/JSON stats export, and scoped VCD tracing for easier debugging
* Added `./visualNoxim` and `other/noxim_trace_viewer.py` for a cycle-by-cycle mesh visualizer with router-buffer and link-flit inspection
* Happy birthday to Noxim co-author 0xff!
<a href="doc/images/noxim-mesh-trace-viewer.png">
<img src="doc/images/noxim-mesh-trace-viewer.png" width="460" alt="Noxim mesh trace viewer screenshot">
</a>
**[March 2018]**
* Support for virtual channels for improved traffic management
* Support for multiple radio-frequency channels for each Radio-Hub
* New yaml examples (please update yours, since format is slightly different)
**[April 2017]** [Noxim tutorial slides](doc/noxim_tutorial.pdf) from lecture given at "Advanced Computer Architectures" (ELEC3219 - University of Southampton)
**[June 2015]** Massively improved version of Noxim. Major changes include:
* Wireless transmission support
* Hub connections for eterogeneous topologies
* YAML configuration file for all features/parameters
* Totally rewritten power model to support fine-grained estimation
* Modular plugin-like addition of Routing/Selection strategies
* Optional accurate logs for deep debugging (see DEBUG in Makefile)
Installation & Quick Start
-----------
If you are working on Ubuntu, you can install noxim and all the dependencies with the following command:
(**BE sure of copying the entire line, i.e., ending with "ubuntu.sh**)
bash <(wget -qO- --no-check-certificate https://raw.githubusercontent.com/davidepatti/noxim/master/other/setup/ubuntu.sh)
Similarly for macOS:
/bin/zsh -c "$(curl -fsSL https://raw.githubusercontent.com/davidepatti/noxim/master/other/setup/macos.zsh)"
As an alternative to the full automatic setup scripts above, you can just clone the sources:
git clone https://github.com/davidepatti/noxim.git
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