Author

U. Ogras

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Preprint Sep 2026

CREDIT: Cost-guided Reduction-reuse with Efficient DSMEM Inter-CTA Tiling

NVIDIA distributed shared memory (DSMEM) enables direct shared-memory access within a thread block cluster. However, cluster synchronization, remote access, and resource costs make it difficult to determine when DSMEM improves performance. To fill this gap, we propose CREDIT, a cost-guided framework that identifies DSM...

Zhengxiong Li, Tsung-Wei Huang, U. Ogras · 0 citations

Preprint Aug 2026

APEX: Adaptive Expert Prefetching for Memory-Efficient Edge MoE Inference

The results establish adaptive, confidence-driven expert prefetching as an effective approach for efficient MoE inference on edge systems.

Alish Kanani, Layan Badawi, U. Ogras · 1 citation

Preprint Aug 2026

HYDRA: A Heterogeneous Chiplet DSE Framework for Serving Dynamic Hybrid LLM Workloads

HYDRA jointly explores chiplet composition, placement, inter-chiplet bandwidth provisioning, dynamic batching, dynamic batching, and runtime scheduling, and a fast Markov-based performance estimator that captures multi-tenant runtime dynamics for efficient and accurate exploration.

Jiahao Lin, Alish Kanani, Sang-Won Lee et al. · 0 citations