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Numerous applications such as graph processing, cryptography, databases, bioinformatics, etc., involve the repeated evaluation of Boolean functions on large bit vectors. In-memory architectures which perform processing in memory (PIM) are…

Hardware Architecture · Computer Science 2021-12-02 Gian Singh , Ankit Wagle , Sarma Vrudhula , Sunil Khatri

Upcoming many core processors are expected to employ a distributed memory architecture similar to currently available supercomputers, but parallel pattern mining algorithms amenable to the architecture are not comprehensively studied. We…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-10-28 Kazuki Yoshizoe , Aika Terada , Koji Tsuda

We describe the offline computing system of the Belle experiment, consisting of a computing farm with one thousand IA-32 CPUs. Up to now, the Belle experiment has accumulated more than 120 fb$^{-1}$ of data, which is the world largest…

Instrumentation and Detectors · Physics 2007-05-23 I. Adachi , R. Itoh , N. Katayama , T. Tsukamoto , T. Hibino , M. Yokoyama , L. Hinz , F. Ronga

We port Domain-Decomposed-alpha-AMG solver to the K computer. The system has 8 cores and 16 GB memory per node, of which theoretical peak is 128 GFlops (82,944 nodes in total). Its feature, as many as 256 registers per core and as large as…

High Energy Physics - Lattice · Physics 2019-04-02 Ken-Ichi Ishikawa , Issaku Kanamori

Graph analysis performs many random reads and writes, thus, these workloads are typically performed in memory. Traditionally, analyzing large graphs requires a cluster of machines so the aggregate memory exceeds the graph size. We…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-01-27 Da Zheng , Disa Mhembere , Randal Burns , Joshua Vogelstein , Carey E. Priebe , Alexander S. Szalay

The steeply growing performance demands for highly power- and energy-constrained processing systems such as end-nodes of the internet-of-things (IoT) have led to parallel near-threshold computing (NTC), joining the energy-efficiency…

Hardware Architecture · Computer Science 2020-04-15 Florian Glaser , Giuseppe Tagliavini , Davide Rossi , Germain Haugou , Qiuting Huang , Luca Benini

We present a highly parallelizable text compression algorithm that scales efficiently to terabyte-sized datasets. Our method builds on locally consistent grammars, a lightweight form of compression, combined with simple recompression…

Data Structures and Algorithms · Computer Science 2025-02-26 Diego Diaz-Dominguez

We have developed a quantum annealing processor, based on an array of tunably coupled rf-SQUID flux qubits, fabricated in a superconducting integrated circuit process [1]. Implementing this type of processor at a scale of 512 qubits and…

This paper presents 6T SRAM cell-based bit-parallel in-memory computing (IMC) architecture to support various computations with reconfigurable bit-precision. In the proposed technique, bit-line computation is performed with a short WL…

Hardware Architecture · Computer Science 2020-08-11 Kyeongho Lee , Jinho Jeong , Sungsoo Cheon , Woong Choi , Jongsun Park

Three-dimensional integrated circuits promise power, performance, and footprint gains compared to their 2D counterparts, thanks to drastic reductions in the interconnects' length through their smaller form factor. We can leverage the…

A new neural network architecture (PSCNN) is developed to improve performance and speed of such networks. The architecture has all the advantages of the previous models such as self-organization and possesses some other superior…

Neural and Evolutionary Computing · Computer Science 2020-08-06 Homayoun Valafar , Faramarz Valafar , Okan Ersoy

The demand for computation resources and energy efficiency of Convolutional Neural Networks (CNN) applications requires a new paradigm to overcome the "Memory Wall". Analog In-Memory Computing (AIMC) is a promising paradigm since it…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-11-24 Nazareno Bruschi , Giuseppe Tagliavini , Angelo Garofalo , Francesco Conti , Irem Boybat , Luca Benini , Davide Rossi

Conventional integrated circuits (ICs) struggle to meet the escalating demands of artificial intelligence (AI). This has sparked a renewed interest in an unconventional computing paradigm: neuromorphic (brain-inspired) computing. However,…

We evolve floating point Sextic polynomial populations of genetic programming binary trees for up to a million generations. Programs with almost four hundred million instructions are created by crossover. To support unbounded Long-Term…

Neural and Evolutionary Computing · Computer Science 2019-02-26 W. B. Langdon , W. Banzhaf

Neural networks have proven effective for solving many difficult computational problems. Implementing complex neural networks in software is very computationally expensive. To explore the limits of information processing, it will be…

Neural and Evolutionary Computing · Computer Science 2017-04-20 Jeffrey M. Shainline , Sonia M. Buckley , Richard P. Mirin , Sae Woo Nam

As supercomputers' complexity has grown, the traditional boundaries between processor, memory, network, and accelerators have blurred, making a homogeneous computer model, in which the overall computer system is modeled as a continuous…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-05-10 Martin Karp , Niclas Jansson , Philipp Schlatter , Stefano Markidis

The need to repeatedly shuttle around synaptic weight values from memory to processing units has been a key source of energy inefficiency associated with hardware implementation of artificial neural networks. Analog in-memory computing…

GPU shared L1 cache is a promising architecture while still suffering from high resource contentions. We present a GPU shared L1 cache architecture with an aggregated tag array that minimizes the L1 cache contentions and takes full…

Hardware Architecture · Computer Science 2023-02-22 Xiangrong Xu , Liang Wang , Limin Xiao , Lei Liu , Xilong Xie , Meng Han , Hao Liu

Recently, a parallel decoding algorithm of $G_N$-coset codes was proposed.The algorithm exploits two equivalent decoding graphs.For each graph, the inner code part, which consists of independent component codes, is decoded in parallel. The…

Information Theory · Computer Science 2020-04-22 Jiajie Tong , Xianbin Wang , Qifan Zhang , Huazi Zhang , Shengchen Dai , Rong Li , Jun Wang

Memory latency, bandwidth, capacity, and energy increasingly limit performance. In this paper, we reconsider proposed system architectures that consist of huge (many-terabyte to petabyte scale) memories shared among large numbers of CPUs.…

Hardware Architecture · Computer Science 2025-09-24 Samuel Dayo , Shuhan Liu , Peijing Li , Philip Levis , Subhasish Mitra , Thierry Tambe , David Tennenhouse , H. -S. Philip Wong