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Polynomial Histograms for Memory-Efficient Representation of Long-tailed System Distributions

arXiv:2605.30360v1 Announce Type: new Abstract: Distributed systems must frequently keep track of many different types of performance metrics across many different computers. For example, the latency distribution of certain operations may be computed for a large combination of computers, users, and operations. These empirical distributions need to be collected at minimal expense on the individual software components, efficiently aggregated across multiple dimensions, and stored in a compact...

arXiv CS 9d ago

HE^2: A Communication-Light Heterogeneous Architecture for Efficient Fully Homomorphic Encryption

arXiv:2605.31004v1 Announce Type: new Abstract: CKKS, an emerging fully homomorphic encryption (FHE) scheme, has been promising in privacy-preserving applications by enabling SIMD fixed-point computations on ciphertexts. Despite its strong security guarantees, CKKS involves both compute-intensive operators (ComOps) with high computational cost and memory-intensive operators (MemOps) with large memory footprints, making existing ASIC-based or NMP-based acceleration approaches suffer from high...

arXiv CS 9d ago

Subspace-selective unitary manipulation based on the Hilbert-space symmetric structures in the multiple-quantum operator algebra spaces in the quantum-computing speedup theory

Announce Type: cross Abstract: The quantum-computing speedup theory considers the symmetric structures and properties of quantum systems as the fundamental Quantum-Computing-Speedup (QCS) resources which are responsible for exponentially speeding up quantum computing and simulating. At present a large and important problem is how to make use of the fundamental QCS resources to speed up essentially quantum computing and simulating. Here the author makes a great effort toward solving this...

arXiv Physics 7d ago

Subspace-selective unitary manipulation based on the Hilbert-space symmetric structures in the multiple-quantum operator algebra spaces in the quantum-computing speedup theory

arXiv:2606.03859v2 Announce Type: replace-cross Abstract: The quantum-computing speedup theory considers the symmetric structures and properties of quantum systems as the fundamental Quantum-Computing-Speedup (QCS) resources which are responsible for exponentially speeding up quantum computing and simulating. At present a large and important problem is how to make use of the fundamental QCS resources to speed up essentially quantum computing and simulating. Here the author makes a great...

arXiv Physics 5d ago

Chinese AI lets everyday users command quantum computing with natural language

Chinese AI lets everyday users command quantum computing with natural language Shanghai-based start-up and researchers unveil platform to turn complex emergent field of computer science into mass-accessible technology On May 15, Shanghai-based Youshu Quantum Technology unveiled what it described as the world’s first agent-driven quantum computing platform. UnitaryLab 2.0 is designed to allow users to operate quantum computing systems using natural language alone. Users no longer need to...

South China Morning Post 7d ago

Computational Modeling of Human Adaptation in Urban Infrastructure Management under Extreme Conditions: A Case Study of Subway Flood Scenarios

arXiv:2606.06429v1 Announce Type: new Abstract: Decision-making in urban infrastructure management during extreme events relies heavily on human operators, yet current computational support systems often fail to account for non-monotonic human adaptation and latent psychological biases like overconfidence and defensive overcorrection. This study addresses this gap by integrating Instance-Based Learning Theory (IBLT) into the domain of civil engineering computing. We establish a computational...

arXiv CS 5d ago

From Symbolic to Geometric: Enabling Spatial Reasoning in Large Language Models

arXiv:2606.04381v1 Announce Type: new Abstract: Recent large language models (LLMs) often appear to exhibit spatial reasoning ability; however, this capability is largely \emph{symbolic}, arising from pattern matching over spatial language rather than true \emph{geometric} reasoning over space. Because LLMs operate on discrete tokens, they lack native support for continuous spatial representations, explicit geometric computation, and structured spatial operators.

arXiv CS 6d ago

New device could make processors run 1,000 times faster without additional waste heat — scientists say it could reduce data center energy demands

New device could make processors run 1,000 times faster without additional waste heat — scientists say it could reduce data center energy demands A new device could allow computer processors to operate significantly faster, without generating waste heat. Researchers in Japan have created a device that promises to boost computer processing speeds, without generating massive amounts of additional heat. Two of the limiting factors in high-performance computing, especially for the processors...

Live Science 11d ago

Frank Land obituary

Frank Land, a business computer pioneer and the UK's first professor of information systems, has passed away. He was involved in the development of the Lyons Electronic Office (Leo), which was the first business in the world to use a computer for operations in 1951. Land was instrumental in establishing the academic field of information systems.

The Guardian UK 13d ago

Archi: Agentic Operations at the CMS Experiment

arXiv:2606.04755v1 Announce Type: cross Abstract: We present Archi, an open-source, end-to-end framework for scientific collaborations that combines the systematic ingestion and organization of heterogeneous data sources with the deployment of configurable, private, and extensible agents that retrieve and reason over them. An instance of Archi has been deployed for the Computing Operations team of the CMS experiment at CERN's LHC since February 2026 as a support agent for technical...

arXiv CS 6d ago