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cs.OS2026
Towards Fully-fledged GPU Multitasking via Proactive Memory Scheduling
Weihang Shen, Yinqiu Chen, Rong Chen +1
The limited HBM capacity has become the primary bottleneck for hosting an increasing number of larger-scale GPU tasks. While demand paging extends capacity via host DRAM, it incurs…
cs.OS2025
Holistic Heterogeneous Scheduling for Autonomous Applications using Fine-grained, Multi-XPU Abstraction
Mingcong Han, Weihang Shen, Rong Chen +2
Modern autonomous applications are increasingly utilizing multiple heterogeneous processors (XPUs) to accelerate different stages of algorithm modules. However, existing runtime sy…
cs.OS2024
Microsecond-scale Dynamic Validation of Idempotency for GPU Kernels
Mingcong Han, Weihang Shen, Guanwen Peng +2
We discovered that a GPU kernel can have both idempotent and non-idempotent instances depending on the input. These kernels, called conditionally-idempotent, are prevalent in real-…