Gianmarco Ottavi

24 papers C 1Journal 17Unranked 6
YearRankTypeTitle / Venue / Authors
2025 J jnl
CVA6S+: A Superscalar RISC-V Core with High-Throughput Memory Architecture.
CoRR
Riccardo Tedeschi, Gianmarco Ottavi, Côme Allart, Nils Wistoff, Zexin Fu, Filippo Grillotti, Fabio De Ambroggi, Elio Guidetti, Jean-Baptiste Rigaud, Olivier Potin, Jean-Roch Coulon, César Fuguet, Luca Benini, Davide Rossi
2025 J jnl
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 12-nm FinFET.
IEEE J. Solid State Circuits
Paul Scheffler, Thomas Benz, Viviane Potocnik, Tim Fischer, Luca Colagrande, Nils Wistoff, Yichao Zhang, Luca Bertaccini, Gianmarco Ottavi, Manuel Eggimann, Matheus A. Cavalcante, Gianna Paulin, Frank K. Gürkaynak, Davide Rossi, Luca Benini
2025 J jnl
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.
CoRR
Paul Scheffler, Thomas Benz, Viviane Potocnik, Tim Fischer, Luca Colagrande, Nils Wistoff, Yichao Zhang, Luca Bertaccini, Gianmarco Ottavi, Manuel Eggimann, Matheus A. Cavalcante, Gianna Paulin, Frank K. Gürkaynak, Davide Rossi, Luca Benini
2025 — conf
Ramping Up Open-Source RISC-V Cores: Assessing the Energy Efficiency of Superscalar, Out-of-Order Execution.
CF
Zexin Fu, Riccardo Tedeschi, Gianmarco Ottavi, Nils Wistoff, César Fuguet, Davide Rossi, Luca Benini
2025 J jnl
Ramping Up Open-Source RISC-V Cores: Assessing the Energy Efficiency of Superscalar, Out-of-Order Execution.
CoRR
Zexin Fu, Riccardo Tedeschi, Gianmarco Ottavi, Nils Wistoff, César Fuguet, Davide Rossi, Luca Benini
2024 J jnl
Culsans: An Efficient Snoop-based Coherency Unit for the CVA6 Open Source RISC-V application processor.
CoRR
Riccardo Tedeschi, Luca Valente, Gianmarco Ottavi, Enrico Zelioli, Nils Wistoff, Massimiliano Giacometti, Abdul Basit Sajjad, Luca Benini, Davide Rossi
2024 J jnl
Culsans: An Efficient Snoop-based Coherency Unit for the CVA6 Open Source RISC-V application processor.
WiPiEC Journal
Riccardo Tedeschi, Luca Valente, Gianmarco Ottavi, Enrico Zelioli, Nils Wistoff, Massimiliano Giacometti, Abdul Basit Sajjad, Luca Benini, Davide Rossi
2024 J jnl
Marsellus: A Heterogeneous RISC-V AI-IoT End-Node SoC With 2-8 b DNN Acceleration and 30%-Boost Adaptive Body Biasing.
IEEE J. Solid State Circuits
Francesco Conti, Gianna Paulin, Angelo Garofalo, Davide Rossi, Alfio Di Mauro, Georg Rutishauser, Gianmarco Ottavi, Manuel Eggimann, Hayate Okuhara, Luca Benini
2024 — conf
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.
VLSI Technology and Circuits
Gianna Paulin, Paul Scheffler, Thomas Benz, Matheus A. Cavalcante, Tim Fischer, Manuel Eggimann, Yichao Zhang, Nils Wistoff, Luca Bertaccini, Luca Colagrande, Gianmarco Ottavi, Frank K. Gürkaynak, Davide Rossi, Luca Benini
2024 J jnl
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.
CoRR
Gianna Paulin, Paul Scheffler, Thomas Benz, Matheus A. Cavalcante, Tim Fischer, Manuel Eggimann, Yichao Zhang, Nils Wistoff, Luca Bertaccini, Luca Colagrande, Gianmarco Ottavi, Frank K. Gürkaynak, Davide Rossi, Luca Benini
2023 — conf
A 12.4TOPS/W @ 136GOPS AI-IoT System-on-Chip with 16 RISC-V, 2-to-8b Precision-Scalable DNN Acceleration and 30%-Boost Adaptive Body Biasing.
ISSCC
Francesco Conti, Davide Rossi, Gianna Paulin, Angelo Garofalo, Alfio Di Mauro, Georg Rutishauser, Gianmarco Ottavi, Manuel Eggimann, Hayate Okuhara, Vincent Huard, Olivier Montfort, Lionel Jure, Nils Exibard, Pascal Gouedo, Mathieu Louvat, Emmanuel Botte, Luca Benini
2023 J jnl
Dustin: A 16-Cores Parallel Ultra-Low-Power Cluster With 2b-to-32b Fully Flexible Bit-Precision and Vector Lockstep Execution Mode.
IEEE Trans. Circuits Syst. I Regul. Pap.
Gianmarco Ottavi, Angelo Garofalo, Giuseppe Tagliavini, Francesco Conti, Alfio Di Mauro, Luca Benini, Davide Rossi
2023 J jnl
Marsellus: A Heterogeneous RISC-V AI-IoT End-Node SoC with 2-to-8b DNN Acceleration and 30%-Boost Adaptive Body Biasing.
CoRR
Francesco Conti, Gianna Paulin, Davide Rossi, Alfio Di Mauro, Georg Rutishauser, Gianmarco Ottavi, Manuel Eggimann, Hayate Okuhara, Luca Benini
2023 C conf
Reducing Load-Use Dependency-Induced Performance Penalty in the Open-Source RISC-V CVA6 CPU.
DSD
Gianmarco Ottavi, Florian Zaruba, Luca Benini, Davide Rossi
2022 J jnl
A Heterogeneous In-Memory Computing Cluster For Flexible End-to-End Inference of Real-World Deep Neural Networks.
CoRR
Angelo Garofalo, Gianmarco Ottavi, Francesco Conti, Geethan Karunaratne, Irem Boybat, Luca Benini, Davide Rossi
2022 J jnl
A Heterogeneous In-Memory Computing Cluster for Flexible End-to-End Inference of Real-World Deep Neural Networks.
IEEE J. Emerg. Sel. Topics Circuits Syst.
Angelo Garofalo, Gianmarco Ottavi, Francesco Conti, Geethan Karunaratne, Irem Boybat, Luca Benini, Davide Rossi
2022 J jnl
A Low-Power Transprecision Floating-Point Cluster for Efficient Near-Sensor Data Analytics.
IEEE Trans. Parallel Distributed Syst.
Fabio Montagna, Stefan Mach, Simone Benatti, Angelo Garofalo, Gianmarco Ottavi, Luca Benini, Davide Rossi, Giuseppe Tagliavini
2022 J jnl
Dustin: A 16-Cores Parallel Ultra-Low-Power Cluster with 2b-to-32b Fully Flexible Bit-Precision and Vector Lockstep Execution Mode.
CoRR
Gianmarco Ottavi, Angelo Garofalo, Giuseppe Tagliavini, Francesco Conti, Alfio Di Mauro, Luca Benini, Davide Rossi
2021 — conf
A 1.15 TOPS/W, 16-Cores Parallel Ultra-Low Power Cluster with 2b-to-32b Fully Flexible Bit-Precision and Vector Lockstep Execution Mode.
ESSCIRC
Angelo Garofalo, Gianmarco Ottavi, Alfio Di Mauro, Francesco Conti, Giuseppe Tagliavini, Luca Benini, Davide Rossi
2021 — conf
End-to-end 100-TOPS/W Inference With Analog In-Memory Computing: Are We There Yet?
AICAS
Gianmarco Ottavi, Geethan Karunaratne, Francesco Conti, Irem Boybat, Luca Benini, Davide Rossi
2021 J jnl
End-to-end 100-TOPS/W Inference With Analog In-Memory Computing: Are We There Yet?
CoRR
Gianmarco Ottavi, Geethan Karunaratne, Francesco Conti, Irem Boybat, Luca Benini, Davide Rossi
2020 — conf
A Mixed-Precision RISC-V Processor for Extreme-Edge DNN Inference.
ISVLSI
Gianmarco Ottavi, Angelo Garofalo, Giuseppe Tagliavini, Francesco Conti, Luca Benini, Davide Rossi
2020 J jnl
A Mixed-Precision RISC-V Processor for Extreme-Edge DNN Inference.
CoRR
Gianmarco Ottavi, Angelo Garofalo, Giuseppe Tagliavini, Francesco Conti, Luca Benini, Davide Rossi
2020 J jnl
A transprecision floating-point cluster for efficient near-sensor data analytics.
CoRR
Fabio Montagna, Stefan Mach, Simone Benatti, Angelo Garofalo, Gianmarco Ottavi, Luca Benini, Davide Rossi, Giuseppe Tagliavini