This book constitutes the refereed proceedings of the 15th International Symposium on Advanced Parallel Processing Technologies, APPT 2023, held in Nanchang, China, during August 4–6, 2023.The 23 full papers and 1 short papers included in this book were carefully reviewed and selected from 49 submissions.

​High Performance Computing and Parallelized Computing.- Enhancing Multi-physics Coupling on ARM Many-core Cluster.- Polaris: Enhancing CXL-based Memory Expanders with Memory-side Prefetching.- ExtendLife: Weights Mapping Framework to Improve RRAM Lifetime for Accelerating CNN.- The Optimization of IVSHMEM Based on Jailhouse.- Multi-agent Cooperative Computing Resource Scheduling Algorithm for Periodic Task Scenarios.- Storage Systems and File Management.- CLMS: Configurable and Lightweight Metadata Service for Parallel File Systems on NVMe SSDs.- Combining Cache and Refresh to Optimize SSD Read Performance Scheme.- CCS: a Motif-based Storage Format for Micro-execution Dependence Graph.- Hydis: A Hybrid Consistent KVS with Effective Sync Among Replicas.- Networking and Cloud Computing.- An Automatic Deployment Method for Hybrid Cloud Simulation Platform.- Reliability Optimization Scheduling and Energy balancing for Real-time Application in Fog Computing Environment.- Federated Classification for Multiple Blockchain Systems.- Towards Privacy-Preserving Decentralized Reputation Management for Vehicular Crowdsensing.- Delay Optimization for Consensus Communication in Blockchain-Based End-Edge-Cloud Network.- Computer Architecture and Hardware Acceleration.- A Low-latency Hardware Accelerator for YOLO Object Detection Algorithms.- SCFM: a Statistical Coarse-to-Fine Method to Select Cross-Microarchitecture Reliable Simulation Points.- On-Demand Triggered Memory Management Unit in Dynamic Binary Translator.- MFHBT: Hybrid Binary Translation System with Multi-stage Feedback Powered by LLVM.- Step and Save: An Incentive Mechanism for Health Insurance Based on Wearable Technology.- Machine Learning and Data Analysis.- Spear-phishing Detection Method Based on Few-shot Learning.- Time Series Classificationbased on Data-Augmented Contrastive Learning.-From Ledger to P2P network: De-anonymization on Bitcoin Using Cross-layer Analysis.- Robust Online Crowdsourcing with Strategic Workers.- Distinguished Work from Student Competation.- New Filter2D Accelerator on the Versal Platform Powered by the AI Engine.