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Harry Xu

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titleconferencedate
Osprey: Transparent and Efficient Virtual Memory for Secure Computation20th USENIX Symposium on Operating Systems Design and Implementation (OSDI '26)2026-07-13
Osprey provides a runtime virtual memory layer for secure computation that pages encrypted data to SSDs by forking a speculative process and a programmed…
Talk on
A Tale of Two Paths: Toward a Hybrid Data Plane for Efficient Far-Memory Applications18th USENIX Symposium on Operating Systems Design and Implementation (OSDI '24)2024-07-10
Atlas implements a hybrid data plane that picks per‑page transfer mode using always‑on profiling (a per‑page card table measuring card access ratio) and a…
Talk on
DRust: Language-Guided Distributed Shared Memory with Fine Granularity, Full...18th USENIX Symposium on Operating Systems Design and Implementation (OSDI '24)2024-07-10
DRust is a Rust-based DSM that exposes Rust’s ownership and borrow semantics to the runtime and uses an ownership-based coherence protocol to avoid…
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Parcae: Proactive, Liveput-Optimized DNN Training on Preemptible Instances21st USENIX Symposium on Networked Systems Design and Implementation (NSDI '24)2024-04-16
Parcae is a system that proactively adapts hybrid data+pipeline parallelization to predicted spot-instance changes, using a liveput metric that balances…
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Harvesting Idle Memory for Application-managed Soft State with Midas21st USENIX Symposium on Networked Systems Design and Implementation (NSDI '24)2024-04-16
Midas implements a new soft memory abstraction plus a userlinked runtime and minimal kernel coordinator to let applications place evictable objects in idle RAM…
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Stateful Dynamic Partial Order Reduction for Model Checking Event-Driven ApplicVMCAI 20222022-01-16
Presents a new stateful DPOR algorithm that is sound for non-terminating, event-driven programs by adding a novel termination criterion, computing conflicts…
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