activity
20202026
most citedFlooNoC: A 645 Gbps/link 0.15 pJ/B/hop Open-Source NoC with Wide Physical Links and End-to-End AXI4 Parallel Multi-Stream Support

16 citations · 62 across the 30 of their papers we have counts for

collaborators

35 papers

cs.AR2026

Scalable AXI4 Transaction Monitoring for Mixed-Criticality SoCs: From Phase-Level Precision to ID-Level Efficiency

Chaoqun Liang, Thomas Benz, Alessandro Ottaviano +4

Mixed-criticality Systems-on-Chip (SoCs) with on-chip interconnects based on the AXI4 open standard protocol lack a protocol-level timeout mechanism, exposing systems to deadlocks…

cs.AR2026

Croc: Training the Next Generation Chip Designers on Domain-Specific End-to-End Open Source Silicon

Enrico Zelioli, Philippe Sauter, Thomas Benz +5

The demand for domain-specific systems-on-chip (SoCs) in artificial intelligence, robotics, and automotive systems is increasing the need for engineers with hands-on expertise on v…

cs.AR2026

HyperCroc: End-to-End Open-Source RISC-V MCU with a Plug-In Interface for Domain-Specific Accelerators

Philippe Sauter, Thomas Benz, Paul Scheffler +1

Domain-Specific architectures with accelerators for machine learning and signal processing require efficient bulk data movement and high-bandwidth access to large datasets. Such ca…

cs.AR2026

Implementing and Optimizing an Open-Source SD-card Host Controller for RISC-V SoCs

Axel Vanoni, Philippe Sauter, Paul Scheffler +4

Recent announcements have shown the viability of end-to-end open-source (OS) Linux-capable RISC-V systems on chip (SoCs). However, practical application and software development pl…

cs.AR2026

Development of an Energy-Efficient and Real-Time Data Movement Strategy for Next-Generation Heterogeneous Mixed-Criticality Systems

Thomas Benz

Industrial domains such as automotive, robotics, and aerospace are rapidly evolving to satisfy the increasing demand for machine-learning-driven Autonomy, Connectivity, Electrifica…

cs.AR2025

Toward Open-Source Chiplets for HPC and AI: Occamy and Beyond

Paul Scheffler, Thomas Benz, Tim Fischer +3

We present a roadmap for open-source chiplet-based RISC-V systems targeting high-performance computing and artificial intelligence, aiming to close the performance gap to proprieta…

cs.AR2025

A Direct Memory Access Controller (DMAC) for Irregular Data Transfers on RISC-V Linux Systems

Thomas Benz, Axel Vanoni, Michael Rogenmoser +1

With the ever-growing heterogeneity in computing systems, driven by modern machine learning applications, pressure is increasing on memory systems to handle arbitrary and more dema…

cs.PF2025★ 5 cited

Data-Driven Power Modeling and Monitoring via Hardware Performance Counter Tracking

Sergio Mazzola, Gabriele Ara, Thomas Benz +3

Energy-centric design is paramount in the current embedded computing era: use cases require increasingly high performance at an affordable power budget, often under real-time const…

cs.AR2025

FlatAttention: Dataflow and Fabric Collectives Co-Optimization for Efficient Multi-Head Attention on Tile-Based Many-PE Accelerators

Chi Zhang, Luca Colagrande, Renzo Andri +6

Multi-Head Attention (MHA) is a critical computational kernel in transformer-based AI models. Emerging scalable tile-based accelerator architectures integrate increasing numbers of…

cs.AR2025

Basilisk: A 34 mm2 End-to-End Open-Source 64-bit Linux-Capable RISC-V SoC in 130nm BiCMOS

Philippe Sauter, Thomas Benz, Paul Scheffler +3

End-to-end open-source electronic design automation (OSEDA) enables a collaborative approach to chip design conducive to supply chain diversification and zero-trust step-by-step de…

cs.AR2025

A Reliable, Time-Predictable Heterogeneous SoC for AI-Enhanced Mixed-Criticality Edge Applications

Angelo Garofalo, Alessandro Ottaviano, Matteo Perotti +20

Next-generation mixed-criticality Systems-on-chip (SoCs) for robotics, automotive, and space must execute mixed-criticality AI-enhanced sensor processing and control workloads, ens…

cs.AR2025

Croc: An End-to-End Open-Source Extensible RISC-V MCU Platform to Democratize Silicon

Phillippe Sauter, Thomas Benz, Paul Scheffler +6

Ensuring a continuous and growing influx of skilled chip designers and a smooth path from education to innovation are key goals for several national and international "Chips Acts".…

cs.OH2025

ArtistIC: An Open-Source Toolchain for Top-Metal IC Art and Ultra-High-Fidelity GDSII Renders

Thomas Benz, Paul Scheffler, Nils Wistoff +3

Open-source projects require outreach material to grow their community, secure funds, and strengthen their influence. Numbers, specifications, and facts alone are intangible to uni…

cs.AR2025

Towards Reliable Systems: A Scalable Approach to AXI4 Transaction Monitoring

Chaoqun Liang, Thomas Benz, Alessandro Ottaviano +3

In safety-critical SoC applications such as automotive and aerospace, reliable transaction monitoring is crucial for maintaining system integrity. This paper introduces a drop-in T…

cs.AR2025★ 13 cited

Occamy: A 432-Core Dual-Chiplet Dual-HBM2E 768-DP-GFLOP/s RISC-V System for 8-to-64-bit Dense and Sparse Computing in 12nm FinFET

Paul Scheffler, Thomas Benz, Viviane Potocnik +12

ML and HPC applications increasingly combine dense and sparse memory access computations to maximize storage efficiency. However, existing CPUs and GPUs struggle to flexibly handle…

cs.AR2025

AXI-REALM: Safe, Modular and Lightweight Traffic Monitoring and Regulation for Heterogeneous Mixed-Criticality Systems

Thomas Benz, Alessandro Ottaviano, Chaoqun Liang +6

The automotive industry is transitioning from federated, homogeneous, interconnected devices to integrated, heterogeneous, mixed-criticality systems (MCS). This leads to challenges…

cs.AR2024

ControlPULPlet: A Flexible Real-time Multi-core RISC-V Controller for 2.5D Systems-in-package

Alessandro Ottaviano, Robert Balas, Tim Fischer +3

The growing complexity of real-time control algorithms with increasing performance demands, along with the shift to 2.5D technology, drive the need for scalable controllers to mana…

cs.AR2024★ 16 cited

FlooNoC: A 645 Gbps/link 0.15 pJ/B/hop Open-Source NoC with Wide Physical Links and End-to-End AXI4 Parallel Multi-Stream Support

Tim Fischer, Michael Rogenmoser, Thomas Benz +2

The new generation of domain-specific AI accelerators is characterized by rapidly increasing demands for bulk data transfers, as opposed to small, latency-critical cache line trans…

cs.AR2024

Basilisk: An End-to-End Open-Source Linux-Capable RISC-V SoC in 130nm CMOS

Paul Scheffler, Philippe Sauter, Thomas Benz +2

Open-source hardware (OSHW) is rapidly gaining traction in academia and industry. The availability of open RTL descriptions, EDA tools, and even PDKs enables a fully auditable supp…

cs.AR2024

Occamy: A 432-Core 28.1 DP-GFLOP/s/W 83% FPU Utilization Dual-Chiplet, Dual-HBM2E RISC-V-based Accelerator for Stencil and Sparse Linear Algebra Computations with 8-to-64-bit Floating-Point Support in 12nm FinFET

Gianna Paulin, Paul Scheffler, Thomas Benz +11

We present Occamy, a 432-core RISC-V dual-chiplet 2.5D system for efficient sparse linear algebra and stencil computations on FP64 and narrow (32-, 16-, 8-bit) SIMD FP data. Occamy…

cs.AR2024★ 2 cited

A Gigabit, DMA-enhanced Open-Source Ethernet Controller for Mixed-Criticality Systems

Chaoqun Liang, Alessandro Ottaviano, Thomas Benz +4

The ongoing revolution in application domains targeting autonomous navigation, first and foremost automotive "zonalization", has increased the importance of certain off-chip commun…

cs.AR2024

SentryCore: A RISC-V Co-Processor System for Safe, Real-Time Control Applications

Michael Rogenmoser, Alessandro Ottaviano, Thomas Benz +4

In the last decade, we have witnessed exponential growth in the complexity of control systems for safety-critical applications (automotive, robots, industrial automation) and their…

cs.AR2024★ 2 cited

Insights from Basilisk: Are Open-Source EDA Tools Ready for a Multi-Million-Gate, Linux-Booting RV64 SoC Design?

Philippe Sauter, Thomas Benz, Paul Scheffler +2

Designing complex, multi-million-gate application-specific integrated circuits requires robust and mature electronic design automation (EDA) tools. We describe our efforts in enhan…

cs.AR2024★ 1 cited

Basilisk: Achieving Competitive Performance with Open EDA Tools on an Open-Source Linux-Capable RISC-V SoC

Phillippe Sauter, Thomas Benz, Paul Scheffler +4

We introduce Basilisk, an optimized application-specific integrated circuit (ASIC) implementation and design flow building on the end-to-end open-source Iguana system-on-chip (SoC)…