collaborators

8 papers

cs.DC2026

ViBE: Co-Optimizing Workload Skew and Hardware Variability for MoE Serving

Seokjin Go, Marko Scrbak, Ephrem Wu +2

In distributed Mixture-of-Experts (MoE) inference, input-dependent token routing interacts with GPU performance variability to create persistent stragglers under synchronized execu…

cs.LG2026

Stream2LLM: Overlap Context Streaming and Prefill for Reduced Time-to-First-Token (TTFT)

Rajveer Bachkaniwala, Chengqi Luo, Richard So +2

Context retrieval systems for LLM inference face a critical challenge: high retrieval latency creates a fundamental tension between waiting for complete context (poor time-to-first…

cs.DC2026

Equinox: Decentralized Scheduling for Hardware-Aware Orbital Intelligence

Ansel Kaplan Erol, Divya Mahajan

Earth-observation satellites are emerging as distributed edge platforms for time-critical tasks, yet orbital scheduling remains challenged by intermittent energy harvesting and tem…

cs.LG2026

NEST: Network- and Memory-Aware Device Placement For Distributed Deep Learning

Irene Wang, Vishnu Varma Venkata, Arvind Krishnamurthy +1

The growing scale of deep learning demands distributed training frameworks that jointly reason about parallelism, memory, and network topology. Prior works often rely on heuristic…

cs.DC2025

Characterizing the Efficiency of Distributed Training: A Power, Performance, and Thermal Perspective

Seokjin Go, Joongun Park, Spandan More +5

The rapid scaling of Large Language Models (LLMs) has pushed training workloads far beyond the limits of single-node analysis, demanding a deeper understanding of how these models…

cs.DC2025

Characterizing Compute-Communication Overlap in GPU-Accelerated Distributed Deep Learning: Performance and Power Implications

Seonho Lee, Jihwan Oh, Junkyum Kim +3

This paper provides an in-depth characterization of GPU-accelerated systems, to understand the interplay between overlapping computation and communication which is commonly employe…

cs.LG2025

VectorLiteRAG: Latency-Aware and Fine-Grained Resource Partitioning for Efficient RAG

Junkyum Kim, Divya Mahajan

Retrieval-Augmented Generation (RAG) systems combine vector similarity search with large language models (LLMs) to deliver accurate, context-aware responses. However, co-locating t…

cs.LG2025

MoETuner: Optimized Mixture of Expert Serving with Balanced Expert Placement and Token Routing

Seokjin Go, Divya Mahajan

Mixture-of-Experts (MoE) model architecture has emerged as a promising solution for scaling transformer models efficiently, offering sparse activation that reduces computational co…