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Cyber-physical systems (CPS) integrate sensing, computing, communication and actuation capabilities to monitor and control operations in the physical environment. A key requirement of such systems is the need to provide predictable…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-07-29 Hyoseung Kim

This paper presents refinements to the execution-cache-memory performance model and a previously published power model for multicore processors. The combination of both enables a very accurate prediction of performance and energy…

Performance · Computer Science 2018-07-09 Johannes Hofmann , Georg Hager , Dietmar Fey

The increasing complexity of autonomous systems has driven a shift to integrated heterogeneous SoCs with real-time and safety demands. Ensuring deterministic WCETs and low-latency for critical tasks requires minimizing interference on…

Hardware Architecture · Computer Science 2025-04-09 Christopher Reinwardt , Robert Balas , Alessandro Ottaviano , Angelo Garofalo , Luca Benini

Persistent Memory (PM) technologies enable program recovery to a consistent state in a case of failure. To ensure this crash-consistent behavior, programs need to enforce persist ordering by employing mechanisms, such as logging and…

Computational Engineering, Finance, and Science · Computer Science 2023-04-03 Yasas Seneviratne , Korakit Seemakhupt , Sihang Liu , Samira Khan

Cache coherence scalability is a big challenge in shared memory systems. Traditional protocols do not scale due to the storage and traffic overhead of cache invalidation. Tardis, a recently proposed coherence protocol, removes cache…

Hardware Architecture · Computer Science 2016-07-28 Xiangyao Yu , Hongzhe Liu , Ethan Zou , Srinivas Devadas

Systolic arrays and shared-L1-memory manycore clusters are commonly used architectural paradigms that offer different trade-offs to accelerate parallel workloads. While the first excel with regular dataflow at the cost of rigid…

Hardware Architecture · Computer Science 2024-04-25 Sergio Mazzola , Samuel Riedel , Luca Benini

This paper considers the modeling and the analysis of the performance of lock-free concurrent data structures. Lock-free designs employ an optimistic conflict control mechanism, allowing several processes to access the shared data object at…

Data Structures and Algorithms · Computer Science 2015-08-17 Aras Atalar , Paul Renaud-Goud , Philippas Tsigas

Coherent parity check (CPC) codes are a new framework for the construction of quantum error correction codes that encode multiple qubits per logical block. CPC codes have a canonical structure involving successive rounds of bit and phase…

Quantum Physics · Physics 2018-06-08 Joschka Roffe , David Headley , Nicholas Chancellor , Dominic Horsman , Viv Kendon

As architecture, systems, and data management communities pay greater attention to innovative big data systems and architectures, the pressure of benchmarking and evaluating these systems rises. Considering the broad use of big data…

Developers of low-level systems code providing core functionality for operating systems and kernels must address hardware-level features of modern multicore architectures. A particular feature is pipelined "out-of-order execution" of the…

Logic in Computer Science · Computer Science 2024-07-31 Robert J. Colvin , Ian J. Hayes , Scott Heiner , Peter Höfner , Larissa Meinicke , Roger C. Su

Mid-circuit measurements are a major bottleneck for superconducting quantum processors because they are slower and noisier than gates. Measurement-free quantum error correction (mfec) replaces repeated measurements and classical…

Quantum Physics · Physics 2026-01-21 GunSik Min , IlKwon Sohn , Jun Heo

The medium-density parity-check (MDPC) code-based McEliece cryptosystem remains a finalist of the post-quantum cryptography standard. The Min-sum decoding algorithm achieves better performance-complexity tradeoff than other algorithms for…

Cryptography and Security · Computer Science 2024-07-18 Jiaxuan Cai , Xinmiao Zhang

The rapid advancement of embedded multicore and many-core systems has revolutionized computing, enabling the development of high-performance, energy-efficient solutions for a wide range of applications. As models scale up in size, data…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-10-15 Ruhai Lin , Rui-Jie Zhu , Jason K. Eshraghian

Programming efficiently heterogeneous systems is a major challenge, due to the complexity of their architectures. Intel oneAPI, a new and powerful standards-based unified programming model, built on top of SYCL, addresses these issues. In…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-09-16 Raúl Nozal , Jose Luis Bosque

Major chip manufacturers have all introduced multicore microprocessors. Multi-socket systems built from these processors are used for running various server applications. Depending on the application that is run on the system, remote memory…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-08-13 Murthy Durbhakula

Memory management is necessary with the increasing number of multi-connected AI devices and data bandwidth issues. For this purpose, high-speed multi-port memory is used. The traditional multi-port memory solutions are hard-bounded to a…

Hardware Architecture · Computer Science 2024-11-08 Narendra Singh Dhakad , Santosh Kumar Vishvakarma

Data race conditions in multi-tasking software applications are prevented by serializing access to shared memory resources, ensuring data consistency and deterministic behavior. Traditionally tasks acquire and release locks to synchronize…

Distributed, Parallel, and Cluster Computing · Computer Science 2014-01-24 K. Eric Harper , Thijmen de Gooijer

For high throughput applications, turbo-like iterative decoders are implemented with parallel architectures. However, to be efficient parallel architectures require to avoid collision accesses i.e. concurrent read/write accesses should not…

Hardware Architecture · Computer Science 2010-02-23 Cyrille Chavet , Philippe Coussy , Eric Martin , Pascal Urard

The whole computer hardware industry embraced multicores. For these machines, the extreme optimisation of sequential algorithms is no longer sufficient to squeeze the real machine power, which can be only exploited via thread-level…

Distributed, Parallel, and Cluster Computing · Computer Science 2010-09-21 Marco aldinucci , Salvatore Ruggieri , Massimo Torquati

The recent advancements in multicore machines highlight the need to simplify concurrent programming in order to leverage their computational power. One way to achieve this is by designing efficient concurrent data structures (e.g. stacks,…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-03-31 Nikolaos D. Kallimanis