activity
20222026
most citedOccamy: 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

13 citations · 17 across the 11 of their papers we have counts for

collaborators

13 papers

cs.AR2026★ 1 cited

EPAC: The Last Dance

Filippo Mantovani, Fabio Banchelli, Pablo Vizcaino +36

This paper presents EPAC, a RISC-V-based accelerator chip developed within the European Processor Initiative (EPI) as part of a multi-year, multi-partner effort to build a European…

cs.AR2025

MXDOTP: A RISC-V ISA Extension for Enabling Microscaling (MX) Floating-Point Dot Products

Gamze İslamoğlu, Luca Bertaccini, Arpan Suravi Prasad +3

Fast and energy-efficient low-bitwidth floating-point (FP) arithmetic is essential for Artificial Intelligence (AI) systems. Microscaling (MX) standardized formats have recently em…

cs.AR2025

RedMulE-FT: A Reconfigurable Fault-Tolerant Matrix Multiplication Engine

Philip Wiese, Maurus Item, Luca Bertaccini +3

As safety-critical applications increasingly rely on data-parallel floating-point computations, there is an increasing need for flexible and configurable fault tolerance in paralle…

cs.AR2025

Maestro: A 302 GFLOPS/W and 19.8GFLOPS RISC-V Vector-Tensor Architecture for Wearable Ultrasound Edge Computing

Mattia Sinigaglia, Amirhossein Kiamarzi, Marco Bertuletti +11

Most Wearable Ultrasound (WUS) devices lack the computational power to process signals at the edge, instead relying on remote offload, which introduces latency, high power consumpt…

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★ 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.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.DC2024

Optimizing Foundation Model Inference on a Many-tiny-core Open-source RISC-V Platform

Viviane Potocnik, Luca Colagrande, Tim Fischer +4

Transformer-based foundation models have become crucial for various domains, most notably natural language processing (NLP) or computer vision (CV). These models are predominantly…

cs.AR2023

Echoes: a 200 GOPS/W Frequency Domain SoC with FFT Processor and I2S DSP for Flexible Data Acquisition from Microphone Arrays

Mattia Sinigaglia, Luca Bertaccini, Luca Valente +5

Emerging applications in the IoT domain require ultra-low-power and high-performance end-nodes to deal with complex near-sensor-data analytics. Domains such as audio, radar, and St…

cs.AR2023★ 2 cited

RedMule: A Mixed-Precision Matrix-Matrix Operation Engine for Flexible and Energy-Efficient On-Chip Linear Algebra and TinyML Training Acceleration

Yvan Tortorella, Luca Bertaccini, Luca Benini +2

The increasing interest in TinyML, i.e., near-sensor machine learning on power budgets of a few tens of mW, is currently pushing toward enabling TinyML-class training as opposed to…

cs.AR2022

Soft Tiles: Capturing Physical Implementation Flexibility for Tightly-Coupled Parallel Processing Clusters

Gianna Paulin, Matheus Cavalcante, Paul Scheffler +4

Modern high-performance computing architectures (Multicore, GPU, Manycore) are based on tightly-coupled clusters of processing elements, physically implemented as rectangular tiles…

cs.AR2022

MiniFloat-NN and ExSdotp: An ISA Extension and a Modular Open Hardware Unit for Low-Precision Training on RISC-V cores

Luca Bertaccini, Gianna Paulin, Tim Fischer +2

Low-precision formats have recently driven major breakthroughs in neural network (NN) training and inference by reducing the memory footprint of the NN models and improving the ene…

cs.AR2022★ 1 cited

RedMulE: A Compact FP16 Matrix-Multiplication Accelerator for Adaptive Deep Learning on RISC-V-Based Ultra-Low-Power SoCs

Yvan Tortorella, Luca Bertaccini, Davide Rossi +2

The fast proliferation of extreme-edge applications using Deep Learning (DL) based algorithms required dedicated hardware to satisfy extreme-edge applications' latency, throughput,…