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- research-articleJanuary 2025
A lightweight RDMA connection protocol based on post-hoc confirmation
Journal of Parallel and Distributed Computing (JPDC), Volume 195, Issue Chttps://doi.org/10.1016/j.jpdc.2024.104991AbstractWith the increasing scale and complexity of high-performance computing systems, the rising failure rate poses significant challenges for RDMA networks that aim for high bandwidth and low latency. RDMA networks require hardware-level end-to-end ...
Highlights- The RDMA NIC architecture and RDMA connection protocol (RCP) of Tianhe are introduced in detail.
- The load characteristics in the HPC interconnection network and the challenges of RCP are analyzed.
- The Post-hoc Connection Protocol ...
Semantic-Type-Guided Bug Finding
Proceedings of the ACM on Programming Languages (PACMPL), Volume 8, Issue OOPSLA2Article No.: 348, Pages 2183–2210https://doi.org/10.1145/3689788In recent years, there has been an increased interest in tools that establish incorrectness rather than correctness of program properties. In this work we build on this approach by developing a novel methodology to prove incorrectness of semantic typing ...
- research-articleOctober 2024
Intensional Functions
Proceedings of the ACM on Programming Languages (PACMPL), Volume 8, Issue OOPSLA2Article No.: 274, Pages 87–112https://doi.org/10.1145/3689714Functions in functional languages have a single elimination form — application — and cannot be compared, hashed, or subjected to other non-application operations. These operations can be approximated via defunctionalization: functions are replaced with ...
- research-articleNovember 2024
Generalized visible curvature: An indicator for bubble identification and price trend prediction in cryptocurrencies
AbstractWe propose a novel curvature-based indicator constructed on log-price time series that captures an interplay between trend, acceleration, and volatility found relevant to quantify risks and improve trading strategies. We apply it to diagnose ...
Highlights- A novel curvature-based indicator to capture geometric information in time series data is proposed.
- Analysis of both synthetic and real-world price time series data is conducted.
- The indicator demonstrates its effectiveness in ...
- ArticleNovember 2024
OV-Mapping: Online Open-Vocabulary Mapping with Neural Implicit Representation
- Muer Tie,
- Julong Wei,
- Ke Wu,
- Zhengjun Wang,
- Shanshuai Yuan,
- Kaizhao Zhang,
- Jie Jia,
- Jieru Zhao,
- Zhongxue Gan,
- Wenchao Ding
AbstractOnline construction of open-ended language scenes is crucial for robotic applications, where open-vocabulary interactive scene understanding is required. Recently, neural implicit representation has provided a promising direction for online ...
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- research-articleSeptember 2024
COER: A Network Interface Offloading Architecture for RDMA and Congestion Control Protocol Codesign
ACM Transactions on Architecture and Code Optimization (TACO), Volume 21, Issue 3Article No.: 49, Pages 1–26https://doi.org/10.1145/3660525RDMA (Remote Direct Memory Access) networks require efficient congestion control to maintain their high throughput and low latency characteristics. However, congestion control protocols deployed at the software layer suffer from slow response times due to ...
- ArticleAugust 2024
Game-Theoretically Fair Distributed Sampling
AbstractCleve’s celebrated result (STOC’86) showed that a strongly fair multi-party coin-toss is impossible against majority-sized coalitions. Recently, however, a fascinating line of work studied a relaxed fairness notion called game-theoretic fairness, ...
- research-articleOctober 2024
Research on the lightweight method of BIM model for substation engineering based on Web GL
ICCBD '24: Proceedings of the 2024 International Conference on Cloud Computing and Big DataPages 1–6https://doi.org/10.1145/3695080.3695081The volume of BIM models for substation projects in Guangdong Power Grid is relatively large. In order to reduce the volume of BIM models for substation projects and ensure rendering effects, a lightweight method for BIM models for substation projects ...
- research-articleJuly 2024
DRLAR: A deep reinforcement learning-based adaptive routing framework for network-on-chips
Computer Networks: The International Journal of Computer and Telecommunications Networking (CNTW), Volume 246, Issue Chttps://doi.org/10.1016/j.comnet.2024.110419AbstractAdaptive routing plays a pivotal role in the overall performance of Network-on-Chips (NoCs). However, with many-core architectures supporting complex and constantly changing traffic patterns for emerging applications, this aspect presents ...
- research-articleMay 2024
Optimal transport strategy-based meta-attention network for fault diagnosis of rotating machinery with zero sample
Applied Intelligence (KLU-APIN), Volume 54, Issue 9-10Pages 6799–6815https://doi.org/10.1007/s10489-024-05524-9AbstractDeep learning-based methods are widely applied to fault diagnostics, which depend on adequate samples. However, fault samples are often limited and even not available in industrial applications. To solve this problem, an optimal transport strategy-...
- research-articleJanuary 2025
Swift-mapping: online neural implicit dense mapping in urban scenes
AAAI'24/IAAI'24/EAAI'24: Proceedings of the Thirty-Eighth AAAI Conference on Artificial Intelligence and Thirty-Sixth Conference on Innovative Applications of Artificial Intelligence and Fourteenth Symposium on Educational Advances in Artificial IntelligenceArticle No.: 672, Pages 6048–6056https://doi.org/10.1609/aaai.v38i6.28420Online dense mapping of urban scenes is of paramount importance for scene understanding of autonomous navigation. Traditional online dense mapping methods fuse sensor measurements (vision, lidar, etc.) across time and space via explicit geometric ...
- research-articleJuly 2024
Visual monitoring system for operation and maintenance of converter station based on sensor fusion
PEAI '24: Proceedings of the 2024 International Conference on Power Electronics and Artificial IntelligencePages 874–881https://doi.org/10.1145/3674225.3674383To monitor the operation status of converter station equipment during operation and maintenance operations in real time, a visual monitoring system for converter station operation and maintenance based on sensor fusion is designed. Design a three-...
- research-articleJanuary 2024
Analysis of the correlations between the extracranial internal carotid artery and extracranial vertebral artery and mild cognitive impairment
Technology and Health Care (TAHC), Volume 32, Issue 1Pages 467–479https://doi.org/10.3233/THC-230677BACKGROUND:Vascular tortuosity is a prevalent morphological change that frequently occurs in arteries across different parts of the body.
OBJECTIVE:To analyze the relationship between the tortuosities of the extracranial internal carotid artery (...
- research-articleNovember 2023
Periodic Orbits of n-Dimensional Impulsive Switched Systems
Circuits, Systems, and Signal Processing (CSSP), Volume 43, Issue 3Pages 1414–1428https://doi.org/10.1007/s00034-023-02546-5AbstractIn this paper, we generalize the index of impulsive periodic orbits defined in planar systems to n-dimensional impulsive switched systems. The moving Poincaré section is applied, which extends the classical Poincaré section and makes it possible ...
- research-articleOctober 2023
Nonlinear disturbance observer-based robust predefined time tracking and vibration suppression control for the rigid-flexible coupled robotic mechanisms with large beam-deformations
Computers & Mathematics with Applications (CMAP), Volume 148, Issue CPages 1–25https://doi.org/10.1016/j.camwa.2023.08.003AbstractIn order to establish the dynamic equations of the rigid-flexible coupled robotic mechanisms with large beam-deformations over the horizontal plane, a thorough modeling technique founded on the virtual work concept has been proposed. Based on the ...
- research-articleAugust 2023
Dynamic Market Timing in Mutual Funds
We use the dynamic conditional correlation (DCC) model to estimate daily frequency mutual fund betas. Compared with traditional estimates, daily betas better capture changes in fund risk stemming from daily fund trading activity. Based on these beta ...
- research-articleJune 2023
Roar: A Router Microarchitecture for In-network Allreduce
ICS '23: Proceedings of the 37th ACM International Conference on SupercomputingPages 423–436https://doi.org/10.1145/3577193.3593711The allreduce operation is the most commonly used collective operation in distributed or parallel applications. It aggregates data collected from distributed hosts and broadcasts the aggregated result back to them. In-network computing can accelerate ...
- research-articleMay 2023
Residual shrinkage transformer relation network for intelligent fault detection of industrial robot with zero-fault samples
AbstractFault detection might effectively enhance the operational reliability and safety of industrial robot (IR). Data-driven intelligent detection methods are dependent on a certain number of fault samples. However, the fault samples of the IR are ...
Highlights- A new RSTRN is proposed for fault detection under zero-fault samples.
- A transformer relation network is built to reveal the commonality and uniqueness of health category.
- A residual shrinkage network is applied to effectively ...
- research-articleApril 2023
A neuromuscular human body model for lumbar injury risk analysis in a vibration loading environment
Computer Methods and Programs in Biomedicine (CBIO), Volume 232, Issue Chttps://doi.org/10.1016/j.cmpb.2023.107442Highlights- A neuromuscular human body model was established by improving a whole-body musculoskeletal model through including a detailed anatomic description of spinal ligaments, non-linear intervertebral disc, and lumbar facet joints, and coupling a ...
Long-term intensive exposure to whole-body vibration substantially increases the risk of low back pain and degenerative diseases in special occupational groups, like motor vehicle drivers, military vehicle occupants, ...