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Current main memory database system architectures are still challenged by high contention workloads and this challenge will continue to grow as the number of cores in processors continues to increase. These systems schedule transactions…

Databases · Computer Science 2019-05-30 Yangjun Sheng , Anthony Tomasic , Tieying Zhang , Andrew Pavlo

A new research topic in spintronics relating to the operation principles of brain-inspired computing is input-driven magnetization dynamics in nanomagnet. In this paper, the magnetization dynamics in a vortex spin-torque oscillator (STO)…

Mesoscale and Nanoscale Physics · Physics 2023-06-26 Yusuke Imai , Kohei Nakajima , Sumito Tsunegi , Tomohiro Taniguchi

Machine learning contrasts with traditional software development in that the oracle is the data, and the data is not always a correct representation of the problem that machine learning tries to model. We present a survey of the oracle…

Machine Learning · Computer Science 2021-05-05 Diogo Seca

We apply a meron cluster algorithm to the XY spin chain, which describes a quantum rotor. This is a multi-cluster simulation supplemented by an improved estimator, which deals with objects of half-integer topological charge. This method is…

Statistical Mechanics · Physics 2008-11-26 Thomas Boyer , Wolfgang Bietenholz , Jair Wuilloud

Numerical computations and methods have become increasingly crucial in the study of spin foam models across various regimes. This paper adds to this field by introducing new algorithms based on tensor network methods for computing…

General Relativity and Quantum Cosmology · Physics 2024-07-01 Seth K. Asante , Sebastian Steinhaus

Smoothed online learning has emerged as a popular framework to mitigate the substantial loss in statistical and computational complexity that arises when one moves from classical to adversarial learning. Unfortunately, for some spaces, it…

Machine Learning · Statistics 2024-03-20 Adam Block , Alexander Rakhlin , Max Simchowitz

Many concurrent programs assign priorities to threads to improve responsiveness. When used in conjunction with synchronization mechanisms such as mutexes and condition variables, however, priorities can lead to priority inversions, in which…

Programming Languages · Computer Science 2023-04-10 Stefan K. Muller , Kyle Singer , Devyn Terra Keeney , Andrew Neth , Kunal Agrawal , I-Ting Angelina Lee , Umut A. Acar

Growing main memory sizes have facilitated database management systems that keep the entire database in main memory. The drastic performance improvements that came along with these in-memory systems have made it possible to reunite the two…

Databases · Computer Science 2012-08-02 Florian Funke , Alfons Kemper , Thomas Neumann

For the lambda-calculus with letrec we develop an optimisation, which is based on the contraction of a certain class of 'future' (also: virtual) redexes. In the implementation of functional programming languages it is common practice to…

Programming Languages · Computer Science 2011-02-15 Jan Rochel , Clemens Grabmayer

Rollout-training disaggregation is emerging as the standard architecture for Reinforcement Learning (RL) post-training, where memory-bound rollout and compute-bound training are physically disaggregated onto purpose-built clusters to…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-16 Tianyuan Wu , Lunxi Cao , Yining Wei , Wei Gao , Yuheng Zhao , Dakai An , Shaopan Xiong , Zhiqiang Lv , Ju Huang , Siran Yang , Yinghao Yu , Jiamang Wang , Lin Qu , Wei Wang

With the rapid development of language models, the number of small language models (SLMs) has grown significantly. Although they do not achieve state-of-the-art accuracy, they are more efficient and often excel at specific tasks. This…

Computation and Language · Computer Science 2026-02-26 Chenyu Wang , Zishen Wan , Hao Kang , Emma Chen , Zhiqiang Xie , Tushar Krishna , Vijay Janapa Reddi , Yilun Du

Recurrent-depth transformers scale test-time compute by iterating latent computations before emitting tokens. We study the geometry of these iterates and argue for a simple, two-scale operational picture: (i) within a looped block, updates…

Machine Learning · Computer Science 2025-11-14 Francesco Pappone , Donato Crisostomi , Emanuele Rodolà

Hierarchical matrix approximations have gained significant traction in the machine learning and scientific community as they exploit available low-rank structures in kernel methods to compress the kernel matrix. The resulting compressed…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-12-03 Bangtian Liu , Kazem Cheshmi , Saeed Soori , Michelle Mills Strout , Maryam Mehri Dehnavi

The Telex system is designed for sharing mutable data in a distributed environment, particularly for collaborative applications. Users operate on their local, persistent replica of shared documents; they can work disconnected and suffer no…

Operating Systems · Computer Science 2008-12-18 Lamia Benmouffok , Jean-Michel Busca , Joan Manuel Marquès , Marc Shapiro , Pierre Sutra , Georgios Tsoukalas

Regular expression (regex) matching is fundamental in many applications, especially in web services. However, matching by backtracking -- preferred by most real-world implementations for its practical performance and backward compatibility…

Programming Languages · Computer Science 2024-02-02 Hiroya Fujinami , Ichiro Hasuo

Modern Operating Systems are typically POSIX-compliant. The system calls are the fundamental layer of interaction between user-space applications and the OS kernel and its implementation of fundamental abstractions and primitives used in…

Operating Systems · Computer Science 2017-12-25 Vyacheslav Dubeyko , Cyril Guyot , Luis Cargnini , Adam Manzanares

Models of parallel processing systems typically assume that one has $l$ workers and jobs are split into an equal number of $k=l$ tasks. Splitting jobs into $k > l$ smaller tasks, i.e. using ``tiny tasks'', can yield performance and…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-02-24 Stefan Bora , Brenton Walker , Markus Fidler

When multiple tenants compete for resources, database performance tends to suffer. Yet there are scenarios where guaranteed sub-millisecond latencies are crucial, such as in real-time data processing, IoT devices, or when operating in…

Databases · Computer Science 2024-09-04 Wolfgang Mauerer , Ralf Ramsauer , Edson R. F. Lucas , Stefanie Scherzinger

Reducing latency and energy consumption is critical to improving the efficiency of memory systems in modern computing. This work introduces ReLMXEL (Reinforcement Learning for Memory Controller with Explainable Energy and Latency…

Hardware Architecture · Computer Science 2026-03-19 Panuganti Chirag Sai , Gandholi Sarat , R. Raghunatha Sarma , Venkata Kalyan Tavva , Naveen M

We investigate the construction of latent spaces through self-supervised learning to support semantically meaningful operations. Analogous to operational amplifiers, these "operational latent spaces" (OpLaS) not only demonstrate semantic…

Machine Learning · Computer Science 2024-06-14 Scott H. Hawley , Austin R. Tackett