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1 points•0 comments•1h ago•by rbanffy•arxiv.org ↗

GPU-Tile-SIM: Tile-Centric GPU Simulation for LLM Hardware-Software Co-Design

GPU-Tile-Sim is a tile-centric GPU simulation framework for hardware-software co-design of large language model workloads, based on the idea that kernel performance is driven more by dependency structure than by per-instruction latency. It represents kernel execution as a warp-level tile graph with tile-level operations and edges encoding data and ordering constraints, and provides an automatic frontend and a graph-driven backend; evaluations on A100 and H100 show a mean absolute percentage error (MAPE) between 1.22% and 8.71% across GEMM, attention, and end-to-end LLM workloads, with preliminary validation on Blackwell.

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