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Main Authors:	Jeong, Yeonwoo, Park, Kyuli, Cho, Hyunji, Park, Sungyong
Format:	Preprint
Published:	2025
Subjects:	Distributed, Parallel, and Cluster Computing
Online Access:	https://arxiv.org/abs/2505.01164
Tags:	Add Tag No Tags, Be the first to tag this record!

NAVIS: Concurrent Search and Update with Low Position-Seeking Overhead in On-SSD Graph-Based Vector Search
by: Song, Jaeyong, et al.
Published: (2026)

EACO-RAG: Towards Distributed Tiered LLM Deployment using Edge-Assisted and Collaborative RAG with Adaptive Knowledge Update
by: Li, Jiaxing, et al.
Published: (2024)

PCR: A Prefetch-Enhanced Cache Reuse System for Low-Latency RAG Serving
by: Wang, Wenfeng, et al.
Published: (2026)

DUAL-BLADE: Dual-Path NVMe-Direct KV-Cache Offloading for Edge LLM Inference
by: Jeong, Bodon, et al.
Published: (2026)

RAGDoll: Efficient Offloading-based Online RAG System on a Single GPU
by: Yu, Weiping, et al.
Published: (2025)

Accelerating LLM Inference with Precomputed Query Storage
by: Park, Jay H., et al.
Published: (2025)

PerCache: Predictive Hierarchical Cache for RAG Applications on Mobile Devices
by: Liu, Kaiwei, et al.
Published: (2025)

HeRo: Adaptive Orchestration of Agentic RAG on Heterogeneous Mobile SoC
by: Li, Maoliang, et al.
Published: (2026)

KVSwap: Disk-aware KV Cache Offloading for Long-Context On-device Inference
by: Zhang, Huawei, et al.
Published: (2025)

OASIS: Object-based Analytics Storage for Intelligent SQL Query Offloading in Scientific Tabular Workloads
by: Hwang, Soon, et al.
Published: (2025)

CoEdge-RAG: Optimizing Hierarchical Scheduling for Retrieval-Augmented LLMs in Collaborative Edge Computing
by: Hong, Guihang, et al.
Published: (2025)

C-FedRAG: A Confidential Federated Retrieval-Augmented Generation System
by: Addison, Parker, et al.
Published: (2024)

Towards Efficient and Scalable Distributed Vector Search with RDMA
by: Zhi, Xiangyu, et al.
Published: (2025)

PathWeaver: A High-Throughput Multi-GPU System for Graph-Based Approximate Nearest Neighbor Search
by: Kim, Sukjin, et al.
Published: (2025)

Déjà Vu: Efficient Video-Language Query Engine with Learning-based Inter-Frame Computation Reuse
by: Hwang, Jinwoo, et al.
Published: (2025)

PilotANN: Memory-Bounded GPU Acceleration for Vector Search
by: Gui, Yuntao, et al.
Published: (2025)

SQUASH: Serverless and Distributed Quantization-based Attributed Vector Similarity Search
by: Oakley, Joe, et al.
Published: (2025)

Scalable Distributed Vector Search via Accuracy Preserving Index Construction
by: Xu, Yuming, et al.
Published: (2025)

Quantifying Autoscaler Vulnerabilities: An Empirical Study of Resource Misallocation Induced by Cloud Infrastructure Faults
by: Park, Gijun
Published: (2026)

LLM as HPC Expert: Extending RAG Architecture for HPC Data
by: Miyashita, Yusuke, et al.
Published: (2024)

Fantasy: Efficient Large-scale Vector Search on GPU Clusters with GPUDirect Async
by: Liu, Yi, et al.
Published: (2025)

TeleRAG: Efficient Retrieval-Augmented Generation Inference with Lookahead Retrieval
by: Lin, Chien-Yu, et al.
Published: (2025)

LLMServingSim2.0: A Unified Simulator for Heterogeneous Hardware and Serving Techniques in LLM Infrastructure
by: Cho, Jaehong, et al.
Published: (2025)

DGNNFlow: A Streaming Dataflow Architecture for Real-Time Edge-based Dynamic GNN Inference in HL-LHC Trigger Systems
by: Maharaj, Davendra, et al.
Published: (2026)

TurboGR: An Accelerated Training System for Large-Scale Generative Recommendation
by: Chai, Huichao, et al.
Published: (2026)

Distributed Hierarchical Machine Learning for Joint Resource Allocation and Slice Selection in In-Network Edge Systems
by: Rashid, Sulaiman Muhammad, et al.
Published: (2025)

A Hierarchical Sharded Blockchain Balancing Performance and Availability
by: Jo, Yongrae, et al.
Published: (2025)

LLMServingSim 2.0: A Unified Simulator for Heterogeneous and Disaggregated LLM Serving Infrastructure
by: Cho, Jaehong, et al.
Published: (2026)

Parallel R-tree-based Spatial Query Processing on a Commercial Processing-in-Memory System
by: Jannat, Tasmia, et al.
Published: (2026)

An AD based library for Efficient Hessian and Hessian-Vector Product Computation on GPU
by: Ranjan, Desh, et al.
Published: (2024)

vPALs: Towards Verified Performance-aware Learning System For Resource Management
by: He, Guoliang, et al.
Published: (2024)

Energy-aware Incremental OTA Update for Flash-based Batteryless IoT Devices
by: Wei, Wei, et al.
Published: (2024)

Exploiting Stragglers in Distributed Computing Systems with Task Grouping
by: Adikari, Tharindu, et al.
Published: (2024)

LLMServingSim: A HW/SW Co-Simulation Infrastructure for LLM Inference Serving at Scale
by: Cho, Jaehong, et al.
Published: (2024)

Multi-Objective Optimization of Consumer Group Autoscaling in Message Broker Systems
by: Landau, Diogo, et al.
Published: (2024)

A Two-Level Thermal Cycling-aware Task Mapping Technique for Reliability Management in Manycore Systems
by: Khani, Fatemeh Hossein, et al.
Published: (2024)

DFLOP: A Data-driven Framework for Multimodal LLM Training Pipeline Optimization
by: An, Hyeonjun, et al.
Published: (2026)

Breaking the Capacity Bottleneck in Model-Heterogeneous Federated Learning via Gradual Model Restoration
by: Ma, Chengjie, et al.
Published: (2025)

NestedFP: High-Performance, Memory-Efficient Dual-Precision Floating Point Support for LLMs
by: Lee, Haeun, et al.
Published: (2025)

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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