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cs.DC2026
The Fabric Is the Cluster Driver: Cross-Layer eBPF Policies for GPU-CXL Fabrics
Yiwei Yang, Andi Quinn
We present fabric_ext, an eBPF middleware compiler and runtime for extensible OS policies over GPU--CXL fabrics. fabric_ext lets one policy program execute across GPU hooks, driver…
cs.DC2026
Concordia: JIT-Compiled Persistent-Kernel Checkpointing for Fault-Tolerant LLM Inference
Yuhang Gan, Yiwei Yang, Yuyi Li +6
Long-running LLM agents keep valuable state resident on GPUs: KV caches, request schedulers, communication state, and sometimes online adapters. Losing this state after a GPU or co…
cs.DC2026
GPUOS: A GPU Operating System Primitive for Transparent Operation Fusion
Yiwei Yang, Xiangyu Gao, Yuan Zhou +3
Modern deep learning workloads often consist of many small tensor operations, especially in inference, attention, and micro-batched training. In these settings, kernel launch overh…