Browsing by Author "Mezzetti, Enrico"
Now showing items 1-20 of 40
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Accurate ILP-Based Contention Modeling on Statically Scheduled Multicore Systems
(IEEE, 2019-06-24)
Conference lecture
Open AccessCommercially available Off The Shelf (COTS) multicores have been assessed as the baseline computing platform even in the most conservative real-time domains. Multicore contention arising on shared hardware resources, with ... -
ASCOM: Affordable Sequence-aware COntention Modeling in crossbar-based MPSoCs
(Association for Computing Machinery (ACM), 2023)
Conference lecture
Open AccessMulticore interference that arises when several accesses contend for the same shared hardware resources poses a challenge to the already demanding consolidated verification and validation practice. The Sequence-Aware Pairing ... -
AURIX TC277 Multicore Contention Model Integration for Automotive Applications
(IEEE, 2019-05-16)
Conference lecture
Open AccessThe ability to produce early guaranteed performance (worst-case execution time) estimates for multicores, i.e. before software from different providers gets integrated onto the same critical system, is pivotal. This helps ... -
ePAPI: Performance Application ProgrammingInterface for Embedded Platforms
(2019)
Conference lecture
Open AccessPerformance Monitoring Counters (PMCs) have been traditionally used in the mainstream computing domain to perform debugging and optimization of software performance. PMCs are increasingly considered in embedded time-critical ... -
EPC Enacted: Integration in an Industrial Toolbox and Use against a Railway Application
(Institute of Electrical and Electronics Engineers (IEEE), 2017-06-08)
Conference lecture
Open AccessMeasurement-based timing analysis approaches are increasingly making their way into several industrial domains on account of their good cost-benefit ratio. The trustworthiness of those methods, however, suffers from the ... -
EPC: Extended Path Coverage for Measurement-Based Probabilistic Timing Analysis
(IEEE, 2016-01-18)
Conference lecture
Open AccessMeasurement-based probabilistic timing analysis (MBPTA) computes trustworthy upper bounds to the execution time of software programs. MBPTA has the connotation, typical of measurement-based techniques, that the bounds ... -
Fitting Software Execution-Time Exceedance into a Residual Random Fault in ISO-26262
(IEEE, 2018-09-01)
Open AccessCar manufacturers relentlessly replace or augment the functionality of mechanical subsystems with electronic components. Most such subsystems (e.g., steer-by-wire) are safety related, hence, subject to regulation. ISO-26262, ... -
Generating and Exploiting Deep Learning Variants to Increase Heterogeneous Resource Utilization in the NVIDIA Xavier
(2019)
Conference lecture
Open AccessDeep learning-based solutions and, in particular, deep neural networks (DNNs) are at the heart of several functionalities in critical-real time embedded systems (CRTES) from vision-based perception (object detection and ... -
High-Integrity Performance Monitoring Units in Automotive Chips for Reliable Timing V&V
(IEEE, 2018-01-16)
Article
Open AccessAs software continues to control more system-critical functions in cars, its timing is becoming an integral element in functional safety. Timing validation and verification (V&V) assesses softwares end-to-end timing ... -
HRM: merging hardware event monitors for improved timing analysis of complex MPSoCs
(2020-11)
Article
Open AccessThe Performance Monitoring Unit (PMU) in MPSoCs is at the heart of the latest measurement-based timing analysis techniques in Critical Embedded Systems. In particular, hardware event monitors (HEMs) in the PMU are used as ... -
Increasing the Reliability of Software Timing Analysis for Cache-Based Processors
(IEEE, 2019-06-01)
Article
Open AccessReal-time systems are witnessing a significant increase in critical software's size, complexity, and performance needs, which can only be satisfied with high-performance hardware features. Cache memories, pervasively used ... -
Leveraging hardware QoS to control contention in the Xilinx Zynq UltraScale+ MPSoC
(Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2021)
Conference report
Open AccessThe interference co-running tasks generate on each other’s timing behavior continues to be one of the main challenges to be addressed before Multi-Processor System-on-Chip (MPSoCs) are fully embraced in critical systems ... -
MC2: Multicore and Cache Analysis via Deterministic and Probabilistic Jitter Bounding
(Springer International Publishing, 2017-05-30)
Conference lecture
Open AccessIn critical domains, reliable software execution is increasingly involving aspects related to the timing dimension. This is due to the advent of high-performance (complex) hardware, used to provide the rising levels of ... -
Measurement-based cache representativeness on multipath programs
(Association for Computing Machinery (ACM), 2018-06)
Conference lecture
Open AccessAutonomous vehicles in embedded real-time systems increase critical-software size and complexity whose performance needs are covered with high-performance hardware features like caches, which however hampers obtaining WCET ... -
Measurement-based probabilistic timing analysis for multi-path programs
(2012)
Conference report
Restricted access - publisher's policyThe rigorous application of static timing analysis requires a large and costly amount of detail knowledge on the hardware and software components of the system. Probabilistic Timing Analysis has potential for reducing the ... -
Measurement-based probabilistic timing analysis: Lessons from an integrated-modular avionics case study
(Institute of Electrical and Electronics Engineers (IEEE), 2013)
Conference report
Restricted access - publisher's policyProbabilistic Timing Analysis (PTA) in general and its measurement-based variant called MBPTA in particular can mitigate some of the problems that impair current worst-case execution time (WCET) analysis techniques. MBPTA ... -
Measurement-based timing analysis of the AURIX caches
(Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2016)
Conference report
Open AccessCache memories are one of the hardware resources with higher potential to reduce worst-case execution time (WCET) costs for software programs with tight real-time constraints. Yet, the complexity of cache analysis has ... -
Mitigating software-instrumentation cache effects in measurement-based timing analysis
(Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2016)
Conference report
Open AccessMeasurement-based timing analysis (MBTA) is often used to determine the timing behaviour of software programs embedded in safety-aware real-time systems deployed in various industrial domains including automotive and ... -
Modeling contention interference in crossbar-based systems via Sequence-Aware Pairing (SeAP)
(Institute of Electrical and Electronics Engineers (IEEE), 2020)
Conference report
Open AccessThe Infineon AURIX TriCore family of microcontrollers has consolidated as the reference multicore computing platform for safety-critical systems in the automotive domain. As a distinctive trait, AURIX microcontrollers are ... -
Modelling multicore contention on the AURIXTM TC27x
(Association for Computing Machinery (ACM), 2018-06-24)
Conference lecture
Open AccessMulticores are becoming ubiquitous in automotive. Yet, the expected benefits on integration are challenged by multicore contention concerns on timing V&V. Worst-case execution time (WCET) estimates are required as early ...
