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This work presents a hardware-efficient and fully parallelizable decoder for quantum LDPC codes that leverages belief propagation (BP) with a speculative post-processing strategy inspired by classical Chase decoding algorithm. By monitoring…

Quantum Physics · Physics 2026-02-11 Ming Wang , Ang Li , Frank Mueller

In this article we present PARSIR (PARallel SImulation Runner), a package that enables the effective exploitation of shared-memory multi-processor machines for running discrete event simulation models. PARSIR is a compile/run-time…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-10-02 Francesco Quaglia

As GPU architectures rapidly evolve to meet the growing demands of exascale computing and machine learning, the performance implications of architectural innovations remain poorly understood across diverse workloads. NVIDIA Blackwell (B200)…

Hardware Architecture · Computer Science 2026-03-04 Aaron Jarmusch , Sunita Chandrasekaran

Given a text, a query $\mathsf{rank}(q, c)$ counts the number of occurrences of character $c$ among the first $q$ characters of the text. Space-efficient methods to answer these rank queries form an important building block in many succinct…

Data Structures and Algorithms · Computer Science 2026-04-02 R. Groot Koerkamp

Trying to cope with the constantly growing number of cores per processor, hardware architects are experimenting with modular non-cache-coherent architectures. Such architectures delegate the memory coherency to the software. On the…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-06-15 Foivos S. Zakkak , Polyvios Pratikakis

Data-parallel problems demand ever growing floating-point (FP) operations per second under tight area- and energy-efficiency constraints. In this work, we present Manticore, a general-purpose, ultra-efficient chiplet-based architecture for…

Hardware Architecture · Computer Science 2020-11-23 Florian Zaruba , Fabian Schuiki , Luca Benini

The current trend of technology has brought parallel machines equipped with multiple processors and multiple memory sockets to be available off-the-shelf -- or via renting through Iaas Clouds -- at reasonable costs. This has opened the…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-03-26 Romolo Marotta , Francesco Quaglia

Manycore processors feature a high number of general-purpose cores designed to work in a multithreaded fashion. Recent manycore processors are kept coherent using scalable distributed directories. A paramount example is the Intel Mesh…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-11-12 Steve Kommrusch , Marcos Horro , Louis-Noël Pouchet , Gabriel Rodríguez , Juan Touriño

Reconfigurable devices, such as Field Programmable Gate Arrays (FPGAs), have been witnessing a considerable increase in density. State-of-the-art FPGAs are complex hybrid devices that contain up to several millions of gates. Recently,…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-04-12 Issam Damaj

We present a thorough analysis of the use of modern heterogeneous systems interconnected by various cachecoherent links, including CXL, NVLink-C2C, and Infinity Fabric. We studied a wide range of server systems that combined CPUs from…

Shared L1 memory clusters are a common architectural pattern (e.g., in GPGPUs) for building efficient and flexible multi-processing-element (PE) engines. However, it is a common belief that these tightly-coupled clusters would not scale…

Hardware Architecture · Computer Science 2023-11-29 Samuel Riedel , Matheus Cavalcante , Renzo Andri , Luca Benini

The exponential growth of Internet of Things (IoT) applications has intensified the demand for efficient, high-throughput, and energy-efficient data processing at the edge. Conventional CPU-centric encryption methods suffer from performance…

Cryptography and Security · Computer Science 2025-06-19 Rasha Karakchi , Rye Stahle-Smith , Nishant Chinnasami , Tiffany Yu

Cryptographic operations are critical for securing IoT, edge computing, and autonomous systems. However, current RISC-V platforms lack efficient hardware support for comprehensive cryptographic algorithm families and post-quantum…

Hardware Architecture · Computer Science 2026-02-05 Anh Kiet Pham , Van Truong Vo , Vu Trung Duong Le , Tuan Hai Vu , Hoai Luan Pham , Van Tinh Nguyen , Yasuhiko Nakashima

As fusion energy devices advance, plasma simulations are crucial for reactor design. Our work extends BIT1 hybrid parallelization by integrating MPI with OpenMP and OpenACC, focusing on asynchronous multi-GPU programming. Results show…

To cope with the soft errors and make full use of the multi-core system, this paper gives an efficient fault-tolerant hardware and software co-designed architecture for multi-core systems. And with a not large number of test patterns, it…

Hardware Architecture · Computer Science 2016-09-08 Bingbing Xia , Fei Qiao , Huazhong Yang , Hui Wang

In this paper, we address some of the key limitations to realizing a generic heterogeneous parallel programming model for quantum-classical heterogeneous platforms. We discuss our experience in enabling user-level multi-threading in QCOR as…

The demand for energy-efficient and high performance embedded systems drives the evolution of new hardware architectures, including concepts like approximate computing. This paper presents a novel reconfigurable embedded platform named…

Hardware Architecture · Computer Science 2024-10-02 Arvin Delavari , Faraz Ghoreishy , Hadi Shahriar Shahhoseini , Sattar Mirzakuchaki

This paper presents yet another concurrency control analysis platform, CCBench. CCBench supports seven protocols (Silo, TicToc, MOCC, Cicada, SI, SI with latch-free SSN, 2PL) and seven versatile optimization methods and enables the…

Databases · Computer Science 2021-08-19 Takayuki Tanabe , Takashi Hoshino , Hideyuki Kawashima , Jun Nemoto , Masahiro Tanaka , Osamu Tatebe

Modern multicore system-on-chips (SoCs) share off-chip DRAM across cores, where bank-level interference can significantly degrade performance and threaten real-time guarantees. While prior work has focused on per-core bandwidth regulation,…

Hardware Architecture · Computer Science 2026-03-30 Connor Rudy Sullivan , Amin Mamandipoor , Cole Ridge Strickler , Heechul Yun

As quantum processors grow, new performance benchmarks are required to capture the full quality of the devices at scale. While quantum volume is an excellent benchmark, it focuses on the highest quality subset of the device and so is unable…