Search Results for author: Ningyi Xu

Found 7 papers, 4 papers with code

Leveraging Enhanced Queries of Point Sets for Vectorized Map Construction

1 code implementation27 Feb 2024 Zihao Liu, XiaoYu Zhang, Guangwei Liu, Ji Zhao, Ningyi Xu

Although the map construction is essentially a point set prediction task, MapQR utilizes instance queries rather than point queries.

Autonomous Driving

BitDistiller: Unleashing the Potential of Sub-4-Bit LLMs via Self-Distillation

1 code implementation16 Feb 2024 Dayou Du, Yijia Zhang, Shijie Cao, Jiaqi Guo, Ting Cao, Xiaowen Chu, Ningyi Xu

The upscaling of Large Language Models (LLMs) has yielded impressive advances in natural language processing, yet it also poses significant deployment challenges.

Knowledge Distillation Quantization

AFPQ: Asymmetric Floating Point Quantization for LLMs

1 code implementation3 Nov 2023 Yijia Zhang, Sicheng Zhang, Shijie Cao, Dayou Du, Jianyu Wei, Ting Cao, Ningyi Xu

Large language models (LLMs) show great performance in various tasks, but face deployment challenges from limited memory capacity and bandwidth.

Quantization

Large Trajectory Models are Scalable Motion Predictors and Planners

1 code implementation30 Oct 2023 Qiao Sun, Shiduo Zhang, Danjiao Ma, Jingzhe Shi, Derun Li, Simian Luo, Yu Wang, Ningyi Xu, Guangzhi Cao, Hang Zhao

STR reformulates the motion prediction and motion planning problems by arranging observations, states, and actions into one unified sequence modeling task.

Autonomous Driving Language Modelling +2

Adam Accumulation to Reduce Memory Footprints of both Activations and Gradients for Large-scale DNN Training

no code implementations31 May 2023 Yijia Zhang, Yibo Han, Shijie Cao, Guohao Dai, Youshan Miao, Ting Cao, Fan Yang, Ningyi Xu

We find that previous gradient accumulation reduces activation memory but fails to be compatible with gradient memory reduction due to a contradiction between preserving gradients and releasing gradients.

Integer or Floating Point? New Outlooks for Low-Bit Quantization on Large Language Models

no code implementations21 May 2023 Yijia Zhang, Lingran Zhao, Shijie Cao, WenQiang Wang, Ting Cao, Fan Yang, Mao Yang, Shanghang Zhang, Ningyi Xu

In this study, we conduct a comparative analysis of INT and FP quantization with the same bit-width, revealing that the optimal quantization format varies across different layers due to the complexity and diversity of tensor distribution.

Quantization

Parallel Inference for Latent Dirichlet Allocation on Graphics Processing Units

no code implementations NeurIPS 2009 Feng Yan, Ningyi Xu, Yuan Qi

Extensive experiments showed that our parallel inference methods consistently produced LDA models with the same predictive power as sequential training methods did but with 26x speedup for CGS and 196x speedup for CVB on a GPU with 30 multiprocessors; actually the speedup is almost linearly scalable with the number of multiprocessors available.

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