HeteroSim: Towards High-Fidelity Heterogeneous LLM Training Simulation on GPUs.

@inproceedings{yue-2026-heterosim, author = {Xiaofei Yue and Fangming Zhao and Fulun Ye and Jiongchi Yu and Zhaoxuan Li and Tingting Li and Ziming Zhao and Jianwei Yin}, editor = {Hakim Hacid and Yoelle Maarek and Francesco Bonchi and Ido Guy and Emine Yilmaz}, title = {{HeteroSim: Towards High-Fidelity Heterogeneous LLM Training Simulation on GPUs}}, booktitle = {{Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026}}, pages = {5189--5197}, publisher = {ACM}, year = {2026}, url = {https://doi.org/10.1145/3774904.3792254}, doi = {https://doi.org/10.1145/3774904.3792254} }