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Dong Du

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titleconferencedate
Sharpen the Spec, Cut the Code: A Case for Generative File System with SYSSPECFAST '262026-02-24
Claims a working pipeline that uses SYSSPEC to generate a concurrent file system called SPECFS from high-level formal-style specs, producing ~4,000 lines of C…
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Fork in the Road: Reflections and Optimizations for Cold Start Latency in Production...OSDI '252025-07-07
Platform traces show 19.5% of requests are cold starts and 18% of invocations finish within 221 ms, exposing three overlooked bottlenecks: control path…
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OS Rendering Service Made Parallel with Out-of-Order Execution and In-Order CommitOSDI '252025-07-07
Spars generates self-contained rendering tasks via in-order preparation, executes them across worker threads with out-of-order execution, and enforces drawing…
Talk
Harmonizing Efficiency and Practicability: Optimizing Resource Utilization in...USENIX ATC 20242024-07-10
Jiagu targets serverless resource waste with two concrete techniques: pre-decision scheduling builds per-node capacity tables that answer most placement…
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Using Dynamically Layered Definite Releases for Verifying the RefFS File System18th USENIX Symposium on Operating Systems Design and Implementation (OSDI '24)2024-07-10
RefFS is a concurrent in-memory file system with a machine-checkable proof that guarantees both safety and liveness by enforcing dynamically layered definite…
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SimpModeling: Sketching Implicit Field to Guide Mesh Modeling for 3D Animalmorphic Head DesignUIST 20212021-10-10
Two-stage sketch pipeline separates global shape and local detail: closed-contour input and curve handles produce M0 then deform to coarse M1 using a…
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Scalable Memory Protection in the PENGLAI Enclave15th USENIX Symposium on Operating Systems Design and Implementation (OSDI '21)2021-07-14
Prototype Penglai adds two hardware primitives, Guarded Page Table (GPT) and Mountable Merkle Tree (MMT) plus a shadow fork fast-init, enabling page-grained…
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Penglai Enclave: Verifiable and Scalable RISC-V TEE SystemFOSDEM 20212021-02-06
Emerging applications like artificial intelligence and autonomous car require high security-assurance, which stimulates the wide-spread deployment of trusted…
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