Characterization of Large Language Model Development in the Datacenter
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Abstract (arXiv)
Large Language Models (LLMs) have presented impressive performance across several transformative tasks. However, it is non-trivial to efficiently utilize large-scale cluster resources to develop LLMs, often riddled with numerous challenges such as frequent hardware failures, intricate parallelization strategies, and imbalanced resource utilization. In this paper, we present an in-depth characterization study of a six-month LLM development workload trace collected from our GPU datacenter Acme. Specifically, we investigate discrepancies between LLMs and prior task-specific Deep Learning (DL) workloads, explore resource utilization patterns, and identify the impact of various job failures. Our analysis summarizes hurdles we encountered and uncovers potential opportunities to optimize systems tailored for LLMs. Furthermore, we introduce our system efforts: (1) fault-tolerant pretraining, which enhances fault tolerance through LLM-involved failure diagnosis and automatic recovery. (2) decoupled scheduling for evaluation, which achieves timely performance feedback via trial decomposition and scheduling optimization.
Key facts. Cited by 46 papers in the map (data through 7 Oct 2026). Builds on 53 of its 106 references that are in the map. First posted on arXiv 12 Mar 2024.
Builds on
53 of 106 references.
References · 53
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Citing papers per year: 2024: 12; 2025: 18; 2026: 16.
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- 2026LUMEN: Coordinated Failure Recovery for Distributed LLM Servingcited by 1
- 2026FineServe: A Fine-Grained Dataset and Characterization of Global LLM Serving Workloadscited by 0
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- 2026LUMEN: Coordinated Failure Recovery for Distributed LLM Serving16 Jun 2026
- 2026FineServe: A Fine-Grained Dataset and Characterization of Global LLM Serving Workloads17 Apr 2026
- 2026Harvest: Opportunistic Peer-to-Peer GPU Caching for LLM Inference30 Jan 2026
- 2025Sandwich: Joint Configuration Search and Hot-Switching for Efficient CPU LLM Serving19 May 2025
- 2025ServeGen: Workload Characterization and Generation of Large Language Model Serving in Production15 May 2025
- 2025SpecRouter: Adaptive Routing for Multi-Level Speculative Decoding in Large Language Models12 May 2025
- 2025PipeBoost: Resilient Pipelined Architecture for Fast Serverless LLM Scaling22 Mar 2025
- 2025Mell: Memory-Efficient Large Language Model Serving via Multi-GPU KV Cache Management12 Jan 2025
- 2024PQCache: Product Quantization-based KVCache for Long Context LLM Inference1 Jul 2024
- 2024Towards Greener LLMs: Bringing Energy-Efficiency to the Forefront of LLM Inferencecited by 59
- 2025Laminar: A Scalable Asynchronous RL Post-Training Frameworkcited by 35
- 2024Revisiting Reliability in Large-Scale Machine Learning Research Clusterscited by 27
- 2024ByteCheckpoint: A Unified Checkpointing System for Large Foundation Model Developmentcited by 23
- 2025Robust LLM Training Infrastructure at ByteDancecited by 14
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- 2024The Unseen AI Disruptions for Power Grids: LLM-Induced Transientscited by 10
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- 2025Systematic Characterization of LLM Quantization: A Performance, Energy, and Quality Perspectivecited by 8
- 2024A Survey on Failure Analysis and Fault Injection in AI Systemscited by 7
- 2024Demystifying the Communication Characteristics for Distributed Transformer Modelscited by 7
- 2025Mycroft: Tracing Dependencies in Collective Communication Towards Reliable LLM Trainingcited by 6
12 most cited of 32 All 32 (JSON)
- 2026Leto: Fast In-Place Recovery for LLM Training on Surviving Hardware30 Sep 2026
- 2026Characterizing Job Power Elasticity for Power-Flexible AI Training10 Sep 2026
- 2026Global Simulation-Guided Dynamic Operator Scheduling for Efficient Multi-Tenant Model Serving16 Aug 2026
- 2026GPUAlert: A Zero-Instrumentation Process-Boundary Monitor for Diagnosing GPU Training-Job Failures1 Jul 2026
- 2026Breaking the Ice: Analyzing Cold Start Latency in vLLM5 Jun 2026
- 2026Learn-by-Wire Training Control Governance: Bounded Autonomous Training Under Stress for Stability and Efficiency18 May 2026
- 2026Guard: Scalable Straggler Detection and Node Health Management for Large-Scale Training18 May 2026
- 2026ReCoVer: Resilient LLM Pre-Training System via Fault-Tolerant Collective and Versatile Workload11 May 2026
- 2026Measurement of Generative AI Workload Power Profiles for Whole-Facility Data Center Infrastructure Planning8 Apr 2026
- 2026tLoRA: Efficient Multi-LoRA Training with Elastic Shared Super-Models6 Feb 2026
- 2026HetCCL: Accelerating LLM Training with Heterogeneous GPUs30 Jan 2026
- 2026Why Does the LLM Stop Computing: An Empirical Study of User-Reported Failures in Open-Source LLMs20 Jan 2026
12 newest of 32 All 32 (JSON)