Dennis Cai
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| title | conference | date |
|---|---|---|
| TrainMover: An Interruption-Resilient Runtime for ML Training | 20th USENIX Symposium on Operating Systems Design and Implementation (OSDI '26) | 2026-07-13 |
TrainMover is an ML training runtime that prepares standby GPUs ahead of interruptions by pre-recording output tensors and running communication-free sandboxed… | ||
| EROICA: Online Performance Troubleshooting for Large-scale Model Training | NSDI '26 | 2026-05-04 |
EROICA is an online profiler that triggers only on iteration slowdowns, profiles all workers simultaneously, extracts beta, mu, sigma fingerprints for… | ||
| Roaming Free in the VR World with MP2 | USENIX ATC '25 | 2025-07-07 |
A user-space centralized overlay called MP2 coordinates per-headset two Wi‑Fi interfaces via a centralized controller that collects RSSI and frame-size stats… | ||
| SimAI: Unifying Architecture Design and Performance Tuning for Large-Scale Large... | NSDI '25 | 2025-04-28 |
SimAI claims a unified, high‑precision LLM training simulator that matches real runs 98.1% alignment by hijacking training frameworks (Megatron, DeepSpeed)… | ||
| Evolution of Aegis: Fault Diagnosis for AI Model Training Service in Production | NSDI '25 | 2025-04-28 |
Aegis is a production fault diagnosis system for AI model training that evolves from enhanced legacy tools to a customized collective communication library… | ||
| Diagnosing Application-network Anomalies for Millions of IPs in Production Clouds | USENIX ATC 2024 | 2024-07-10 |
AND is a deployed Alibaba Cloud system that diagnoses application-network anomalies for millions of IPs by using TCP retransmissions as the single signal… | ||
| Sirius: Composing Network Function Chains into P4-Capable Edge Gateways | 21st USENIX Symposium on Networked Systems Design and Implementation (NSDI '24) | 2024-04-16 |
System composes dozens of distinct NF chains into a single P4 program, synthesizing traffic identification tables, pipelining loops via recirculations, and… | ||
| LuoShen: A Hyper-Converged Programmable Gateway for Multi-Tenant Multi-Service Edge... | 21st USENIX Symposium on Networked Systems Design and Implementation (NSDI '24) | 2024-04-16 |
LuoShen consolidates a full VPC network into a 2U server-switch with a P4-centric pipeline, using pipeline folding and meticulous on-chip resource budgeting to… | ||
| Reasoning about Network Traffic Load Property at Production Scale | 21st USENIX Symposium on Networked Systems Design and Implementation (NSDI '24) | 2024-04-16 |
NSDI '24 - Reasoning about Network Traffic Load Property at Production Scale
Ruihan Li, Peking University and Alibaba Cloud; Fangdan Ye, Yifei Yuan, Ruizhen… | ||
| Flor: An Open High Performance RDMA Framework Over Heterogeneous RNICs | OSDI 2023 | 2023-07-10 |
Flor is an RDMA framework that keeps the RoCEv2 data path in RNIC hardware but moves vendor-specific control logic into software running on NPUs/DPUs/host… | ||
| Norma: Towards Practical Network Load Testing | NSDI 2023 | 2023-04-17 |
Norma implements a practical network load tester on programmable switch ASICs (Tofino) with a stateful protocol abstraction mapped into the pipeline, a… | ||
| Predictable Network | Networking @Scale Fall 2022 | 2022-11-14 |
Alibaba Predictable Network uses a Host-Network Fusion design to deliver predictable performance for large AI clusters, running large-scale RDMA for five years… | ||
| When Cloud Storage Meets RDMA | NSDI ’21 | 2021-04-12 |
Pangu integrates RDMA into production cloud storage and reports concrete wins: a user‑space stack (USS OS and USS file system) boosts CPU efficiency by over… | ||
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