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Rong Chen

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Fast Cloud Storage for AI Jobs via Grouped I/O API with Transparent Read/Write...FAST '262026-02-24
AITURBO is a cloud storage system that cuts AI checkpoint IO by using the grouped I/O API to collect per-tensor metadata, derive an optimized write plan…
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BlitzScale: Fast and Live Large Model Autoscaling with O(1) Host CachingOSDI '252025-07-07
System claims live, fast autoscaling by avoiding full model caching with O(1) host caching and loading parameters over compute fabrics (RDMA) using a…
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KVCache Cache in the Wild: Characterizing and Optimizing KVCache Cache at a...USENIX ATC '252025-07-07
Paper analyzes a one-week Alibaba trace with per-request timestamps, modalities, turns and KV hashes and finds reuse is skewed: single-turn requests contribute…
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XSched: Preemptive Scheduling for Diverse XPUsOSDI '252025-07-07
XSched implements a preemptible command-queue called XQ and a multi-level hardware model (three levels: pending, inflight, running) to bring preemption to…
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Colocating ML Inference and Training with Fast GPU Memory HandoverUSENIX ATC '252025-07-07
A new system called SIRIUS colocates latency-sensitive inference and throughput-heavy training on the same GPU by dynamically resizing training mini-batches…
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ODRP: On-Demand Remote Paging with Programmable RDMANSDI '252025-04-28
ODRP offloads fine‑grain remote paging onto the RNIC by chaining RDMA work requests and using event‑triggered worker queues to implement allocation…
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Fast and Scalable In-network Lock Management Using Lock Fission18th USENIX Symposium on Operating Systems Design and Implementation (OSDI '24)2024-07-10
FISSLOCK implements lock fission by running the grant decision in a programmable switch pipeline and keeping holders/waiters in server-side agent pools, with…
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Bridging the Gap between Relational OLTP and Graph-based OLAPUSENIX ATC '232023-07-10
GART extends HTAP into HTGAP by adding a relational-to-graph mapping layer and an in-memory dynamic graph store that claims tens of milliseconds freshness and…
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No Provisioned Concurrency: Fast RDMA-codesigned Remote Fork for Serverless ComputingOSDI 20232023-07-10
MITOSIS implements an OS primitive called remote fork that co-designs Linux kernel behavior with RDMA to let a machine read parent pages on demand and avoid…
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Automated Verification of Idempotence for Stateful Serverless ApplicationsOSDI 20232023-07-10
Flux presents a verifier and advisor that check and fix idempotence for stateful serverless apps by proving a new correctness notion idempotence consistency…
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Characterizing Off-path SmartNIC for Accelerating Distributed SystemsOSDI 20232023-07-10
A first holistic measurement of the off‑path SmartNIC BlueField-2 maps actual communication paths between client, on‑board SoC, NIC and host and finds concrete…
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KRCORE: A Microsecond-scale RDMA Control Plane for Elastic ComputingUSENIX ATC '222022-07-11
KRCORE is an RDMA library that creates full connections in 10μs connection establishment by virtualized kernel-space QPs and retrofitting dynamic connected…
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Characterizing and Optimizing Remote Persistent Memory with RDMA and NVMUSENIX ATC '212021-07-14
Systematically measures RDMA accessing real production NVM (Intel 3D XPoint) and extracts nine concrete optimization hints across configuration (e.g. disable…
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Retrofitting High Availability Mechanism to Tame Hybrid Transaction/Analytical Processing15th USENIX Symposium on Operating Systems Design and Implementation (OSDI '21)2021-07-14
Vegito retrofits replica-based HA so backups serve analytical queries while primaries handle OLTP, using a gossip-style epoch oracle to give consistent…
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Unifying Timestamp with Transaction Ordering for MVCC with Decentralized Scalar TimestampNSDI ’212021-04-12
Proposes decentralized scalar timestamp DST that removes a centralized timestamp service while remaining a single-word scalar for storage and network…
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Pragh: Locality-preserving Graph Traversal with Split Live MigrationUSENIX ATC '192019-07-10
Pragh implements split live migration that moves values only while leaving keys in place, enabling fine-grained, zero-metadata reconfiguration over RDMA. It…
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The Decentralized Future: Interoperability And ScalabilityTOKEN2049 20192019-03-13
Panel claims layer‑2 moves most traffic off‑chain and Celer’s SDK already pushes tens of thousands TPS on Ethereum by settling only disputes to mainnet. Celer…
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