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Zhengxiong Li

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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

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