Browsing by Author "Alcaide Portet, Sergi"
Now showing items 1-20 of 25
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A software-only approach to enable diverse redundancy on Intel GPUs for safety-related kernels
(Association for Computing Machinery (ACM), 2023)
Conference report
Open AccessAutonomous Driving (AD) systems rely on object detection and tracking algorithms that require processing high volumes of data at high frequency. High-performance graphics processing units (GPUs) have been shown to provide ... -
Achieving diverse redundancy for GPU Kernels
(Institute of Electrical and Electronics Engineers (IEEE), 2022-04)
Article
Open AccessAutonomous driving requires high-performance computing devices including general-purpose CPUs as well as specific accelerators, with GPUs having a key role due to their flexibility. Safety-critical microcontrollers have ... -
Black-Box IP Validation with the SafeTI Traffic Injector: A Success Story
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
Conference lecture
Open AccessFunctional and performance validation of high-performance safety-related hardware platforms require generating specific traffic patterns in the network-on-chip (NoC) to test IP components and their integration. Software-only ... -
De-RISC: A complete RISC-V based space-grade platform
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Conference report
Open AccessThe H2020 EIC-FTI De-RISC project develops a RISC-V space-grade platform to jointly respond to several emerging, as well as longstanding needs in the space domain such as: (1) higher performance than that of monocore and ... -
DIMP: A low-cost diversity metric based on circuit path analysis
(2017)
Conference report
Open AccessDiversity has been regarded as a desirable property of redundant instances, since it allows circuits to behave differently in front of a given fault. However, while qualitatively diversity is a well-understood concept, ... -
End-to-end QoS for the open source safety-relevant RISC-V SELENE platform
(arXiv, 2022)
Conference report
Open AccessThis paper presents the end-to-end QoS approach to provide performance guarantees followed in the SELENEplatform, a high-performance RISC-V based heterogeneous SoC for safety-related real-time systems. Our QoS approach ... -
GPU4S: Embedded GPUs in Space - Latest project updates
(2020-09)
Article
Open AccessFollowing the trend of other safety-critical industries like automotive and avionics, the space domain is witnessing an increase in the on-board computing performance demands. This raise in performance needs comes from ... -
GPU4S: Major project outcomes, lessons learnt and way forward
(IEEE, 2021)
Conference report
Open AccessEmbedded GPUs have been identified from both private and government space agencies as promising hardware technologies to satisfy the increased needs of payload processing. The GPU4S (GPU for Space) project funded from the ... -
Hardware/software solutions to enable the use of high-performance processors in the most stringent safety-critical systems
(Universitat Politècnica de Catalunya, 2023-07-19)
Doctoral thesis
Open Access(English) Future Safety-Critical Systems require a boost in guaranteed performance in order to satisfy the increasing performance demands of the state-of-the-art complex software features. Ar1 approach to achieve these ... -
NimbleAI: towards neuromorphic sensing-processing 3D-integrated chips
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
Conference report
Open AccessThe NimbleAI Horizon Europe project leverages key principles of energy-efficient visual sensing and processing in biological eyes and brains, and harnesses the latest advances in 33D stacked silicon integration, to create ... -
SafeDE: a flexible Diversity Enforcement hardware module for light-lockstepping
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Open AccessSafety-related systems, such as those in automotive, avionics and space, impose the existence of appropriate safety measures to meet the safety requirements of the system. In the case of the highest integrity level ... -
SafeDE: A low-cost hardware solution to enforce diverse redundancy in multicores
(Institute of Electrical and Electronics Engineers (IEEE), 2022-06)
Article
Open AccessFailure risk must be tiny in high-integrity systems, such as those in cars, satellites and aircraft. Hence, safety measures must be deployed to avoid a single fault leading to a failure. Redundancy has been often used to ... -
SafeDM: a hardware diversity monitor for redundant execution on non-lockstepped cores
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Conference report
Open AccessComputing systems in the safety domain, such as those in avionics or space, require specific safety measures related to the criticality of the deployment. A problem these systems face is that of transient failures in ... -
SafeLS: An open source implementation of a lockstep NOEL-V RISC-V core
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
Conference report
Open AccessMicrocontrollers running safety-critical applications with high integrity requirements must provide appropriate safety measures to manage random hardware faults. For instance, automotive safety regulations (e.g., ISO26262) ... -
SafeSoftDR: A library to enable software-based diverse redundancy for safety-critical tasks
(arXiv, 2022)
Conference report
Open AccessApplications with safety requirements have become ubiquitous nowadays and can be found in edge devices of all kinds. However, microcontrollers in those devices, despite offering moderate performance by implementing multicores ... -
SafeSU-2: a safe statistics unit for space MPSoCs
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Conference report
Open AccessAdvanced statistics units (SUs) have been proven effective for the verification, validation and implementation of safety measures as part of safety-related MPSoCs. This is the case, for instance, of the RISC-V MPSoC by ... -
SafeSU: an extended statistics unit for multicore timing interference
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Open AccessStatistics units (SUs) in MPSoCs are becoming increasingly used for the (1) verification and (2) validation of multicore timing interference, as well as for (3) deploying safety measures in safety-related real-time systems. ... -
SafeTI: a hardware traffic injector for MPSoC functional and timing validation
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Open AccessFunctional and timing validation of safety-related MPSoCs requires testing specific traffic patterns in the on-chip interconnects. Generally, testing needs to be performed by using software tests whose degree of control ... -
Safety-related challenges and opportunities for GPUs in the automotive domain
(IEEE, 2018-10-09)
Article
Open AccessGPUs have been shown to cover the computing performance needs of autonomous driving (AD) systems. However, since the GPUs used for AD build on designs for the mainstream market, they may lack fundamental properties for ... -
SafeX: Open source hardware and software components for safety-critical systems
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Conference report
Open AccessRISC-V Instruction Set Architecture (ISA) emerges as an opportunity to develop open source hardware without being subject to expensive licenses or export restrictions. A plethora of initiatives are nowadays developing ...
