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Emmett Witchel

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titleconferencedate
Arctic: A Practical Lock-Free Adaptive Radix Tree20th USENIX Symposium on Operating Systems Design and Implementation (OSDI '26)2026-07-13
Arctic is a lock‑free adaptive radix tree that uses a freezing‑based coordination protocol and edge‑in‑parent layout to perform compress/replace operations…
Talk on
Tigon: A Distributed Database for a CXL PodOSDI '252025-07-07
Tigon implements a distributed transactional in-memory database for a CXL pod, running on an emulated 8-host setup (40-core machine + CXL 1.1 module). It…
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Telekine: Secure Computing with Cloud GPUsNSDI 20202020-02-25
Telekine demonstrates that GPU kernel timing leaks enough information to classify ImageNet images by observing kernel durations, then builds a…
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