Xueliang Wei
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View article: ICON-NIV: A Generalized Method for Mitigating the Impacts of IR Drop and Nonlinear I-V Effect in eNVM-based Accelerators.
ICON-NIV: A Generalized Method for Mitigating the Impacts of IR Drop and Nonlinear I-V Effect in eNVM-based Accelerators. Open
Computing in emerging non-volatile memory (eNVM)-based accelerators is promising for efficient matrix-vector multiplication (MVM), and many previous accelerators compute at operating unit (OU) granularity to mitigate the program variation …
View article: CaDCR: An Efficient Cascaded Dynamic Collaborative Reasoning Framework for Intelligent Recognition Systems
CaDCR: An Efficient Cascaded Dynamic Collaborative Reasoning Framework for Intelligent Recognition Systems Open
To address the challenges of high computational cost and energy consumption posed by deep neural networks in embedded systems, this paper presents CaDCR, a lightweight dynamic collaborative reasoning framework. By integrating a feature dis…
View article: Analysis of Grid-Connected Damping Characteristics of Virtual Synchronous Generator and Improvement Strategies
Analysis of Grid-Connected Damping Characteristics of Virtual Synchronous Generator and Improvement Strategies Open
Focused on the contradiction between the steady-state error of active power and the dynamic oscillation caused by the virtual damping characteristics of the virtual synchronous generator (VSG) under disturbances during grid-connected opera…
View article: SEED: Speculative Security Metadata Updates for Low-Latency Secure Memory
SEED: Speculative Security Metadata Updates for Low-Latency Secure Memory Open
Securing systems’ main memory is important for building trusted data centers. To ensure memory security, encryption and integrity verification techniques update the security metadata (e.g., encryption counters and integrity trees) during m…
View article: COVER: Alleviating Crash-Consistency Error Amplification in Secure Persistent Memory Systems
COVER: Alleviating Crash-Consistency Error Amplification in Secure Persistent Memory Systems Open
Data security (including confidentiality, integrity, and availability) and crash consistency guarantees are essential for building trusted persistent memory (PM) systems. Security and consistency metadata are added to enable the guarantees…
View article: Research on Grid-Connected and Off-Grid Control Strategy for Bidirectional Energy Storage Inverter
Research on Grid-Connected and Off-Grid Control Strategy for Bidirectional Energy Storage Inverter Open
Bidirectional energy storage inverters serve as crucial devices connecting distributed energy resources within microgrids to external large-scale power grids. Due to the disruptive impacts arising during the transition between grid-connect…
View article: CMD: A Cache-assisted GPU Memory Deduplication Architecture
CMD: A Cache-assisted GPU Memory Deduplication Architecture Open
Massive off-chip accesses in GPUs are the main performance bottleneck, and we divided these accesses into three types: (1) Write, (2) Data-Read, and (3) Read-Only. Besides, We find that many writes are duplicate, and the duplication can be…
View article: SplitZNS: Towards an Efficient LSM-Tree on Zoned Namespace SSDs
SplitZNS: Towards an Efficient LSM-Tree on Zoned Namespace SSDs Open
The Zoned Namespace (ZNS) Solid State Drive (SSD) is a nascent form of storage device that offers novel prospects for the Log Structured Merge Tree (LSM-tree). ZNS exposes erase blocks in SSD as append-only zones, enabling the LSM-tree to …
View article: Durability Evaluation of Pp-Ecc with Local Superfine Sand (Sspp-Ecc) Serviced in Seasonal Frozen Region
Durability Evaluation of Pp-Ecc with Local Superfine Sand (Sspp-Ecc) Serviced in Seasonal Frozen Region Open
View article: Write-Optimized and Consistent Skiplists for Non-Volatile Memory
Write-Optimized and Consistent Skiplists for Non-Volatile Memory Open
Skiplist as an in-memory index performs pretty well on rapid insertions because there are no rotations or reallocations for rebalancing. The emerging non-volatile memory (NVM) technologies have spurred a deep interest in designing efficien…
View article: The mediating and moderating roles of resilience in the relationship between anxiety, depression, and post-traumatic growth among breast cancer patients based on structural equation modeling
The mediating and moderating roles of resilience in the relationship between anxiety, depression, and post-traumatic growth among breast cancer patients based on structural equation modeling Open
This study aimed to analyze the moderation and moderation effects of resilience on the anxiety, depression impact on post-traumatic growth (PTG) among breast cancer patients undergoing chemotherapy based on structural equation modeling, an…
View article: An Improved Control Method Based on Source Current Sampled for Shunt Active Power Filters
An Improved Control Method Based on Source Current Sampled for Shunt Active Power Filters Open
Active power filters (APFs) are dynamic power electronic devices that suppress harmonics and reactive power. To simplify the detection and extraction of traditional APF harmonics and reactive current, this paper proposes a direct source cu…
View article: Research on Harmonic Current Amplification Effect of Parallel APF Compensating Voltage Source Nonlinear Load
Research on Harmonic Current Amplification Effect of Parallel APF Compensating Voltage Source Nonlinear Load Open
A parallel active power filter (APF) is generally used to suppress dynamic harmonic current and compensate reactive power in the grid. However, parallel APF may have a negative effect on the load current when compensating the nonlinear loa…
View article: Improved Reactive Current Detection Method of SVG
Improved Reactive Current Detection Method of SVG Open
The static VAR generator (SVG) is an important device in flexible AC transmission systems (FACTS) for the development of smart grids. Based on the basis principle of SVG and instantaneous reactive power theory, the conventional ip–iq and d…