~/talks

Harsha V. Madhyastha

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where they keep going back

  • NSDI2 editions2020–2023

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titleconferencedate
Detecting and Diagnosing Errors in Serving Archived Web PagesNSDI '262026-05-04
FidEx compares script-level execution traces between crawl and replay and matches pages using layout-tree + JS-write matching, not screenshots, to detect…
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Cosmic: Cost-Effective Support for Cloud-Assisted 3D PrintingUSENIX ATC '252025-07-07
Cloud controller called Cosmic partitions serverless workers into groups and issues timely speculation to hide ~10 ms invocation delays measured on AWS Lambda…
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Sprinter: Speeding Up High-Fidelity Crawling of the Modern Web21st USENIX Symposium on Networked Systems Design and Implementation (NSDI '24)2024-04-16
Sprinter combines a small browser-crawled subset with a browserless phase that replays results from a computation cache built by rewriting JS and recording…
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ModelKeeper: Accelerating DNN Training via Automated Training WarmupNSDI 20232023-04-17
ModelKeeper automatically initializes new DNN training by transforming weights from previously trained models in a shared cluster, using structure-aware…
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Oort: Efficient Federated Learning via Guided Participant Selection15th USENIX Symposium on Operating Systems Design and Implementation (OSDI '21)2021-07-14
Oort is a participant-selection framework that selects clients by a combined loss-over-duration utility score, using exploration/exploitation and uncertainty…
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Horcrux: Automatic JavaScript Parallelism for Resource-Efficient Web Computation15th USENIX Symposium on Operating Systems Design and Implementation (OSDI '21)2021-07-14
Horcrux automatically parallelizes legacy page JavaScript by doing offline concolic + dynamic analysis on servers to produce conservative per-function…
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Near Optimal Latency Versus Cost Tradeoffs in Geo Distributed StorageNSDI 20202020-02-25
Paper claims a concrete system-level win: by allowing erasure coding and reworking Paxos-style quorums the design called Pando cuts write latency from 120 ms…
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Sol: Fast Distributed Computation Over Slow NetworksNSDI 20202020-02-25
Sol is a federated execution engine that pushes tasks to site managers to hide hundreds-of-milliseconds control latency and decouples communication from…
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Fine Grained Replicated State Machines for a Cluster Storage SystemNSDI 20202020-02-25
Design treats every key-value pair as a separate replicated state machine and co-designs a Paxos-style consensus with an LSM-based store to drop per-key log…
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Network Error Logging: Client side measurement of end to end web service reliabilityNSDI 20202020-02-25
Planet-scale client-side measurement called NEL collects failed and successful request data from browsers and uploads JSON request-log reports to redundant…
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