Tianwei Zhang
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| title | conference | date |
|---|---|---|
| Di-PS: System-Algorithm Co-Design for Asynchronous and Heterogeneous Cross-cluster... | NSDI '26 | 2026-05-04 |
Di-PS presents a centralized leader-follower PS architecture plus algorithmic controls that reduce cross-cluster stalls and stabilize asynchronous updates. The… | ||
| Characterization of Large Language Model Development in the Datacenter | 21st USENIX Symposium on Networked Systems Design and Implementation (NSDI '24) | 2024-04-16 |
Six-month datacenter trace from Acme covers >4,000 A100 GPUs and ~1M jobs (7B–123B model family, 60% GPU jobs) and shows most GPU time coming from large jobs… | ||
| Hydro: Surrogate-Based Hyperparameter Tuning Service in Datacenters | OSDI 2023 | 2023-07-10 |
Hydro builds a surrogate-based tuning service that trains scaled-down models via Torch FX, applies mu parameterization automatically, fuses multiple trials… | ||
| Primo: Practical Learning-Augmented Systems with Interpretable Models | USENIX ATC '22 | 2022-07-11 |
Primo presents two interpretable models PrAM and PrDT, a Distill Engine, and Bayes Optimization to auto-tune pruning and hyperparameters; it adds Monotonic… | ||
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