Search Results for author: Jiaxiang Li

Found 10 papers, 3 papers with code

SLTrain: a sparse plus low-rank approach for parameter and memory efficient pretraining

1 code implementation4 Jun 2024 Andi Han, Jiaxiang Li, Wei Huang, Mingyi Hong, Akiko Takeda, Pratik Jawanpuria, Bamdev Mishra

In this work, we propose to parameterize the weights as a sum of low-rank and sparse matrices for pretraining, which we call SLTrain.

Quantization Sparse Learning

Getting More Juice Out of the SFT Data: Reward Learning from Human Demonstration Improves SFT for LLM Alignment

no code implementations28 May 2024 Jiaxiang Li, Siliang Zeng, Hoi-To Wai, Chenliang Li, Alfredo Garcia, Mingyi Hong

Moreover, we identify a connection between the proposed IRL based approach, and certain self-play approach proposed recently, and showed that self-play is a special case of modeling a reward-learning agent.

reinforcement-learning Reinforcement Learning (RL)

SA-Attack: Speed-adaptive stealthy adversarial attack on trajectory prediction

1 code implementation19 Apr 2024 Huilin Yin, Jiaxiang Li, Pengju Zhen, Jun Yan

This method searches the sensitive region of trajectory prediction models and generates the adversarial trajectories by using the vehicle-following method and incorporating information about forthcoming trajectories.

Adversarial Attack Trajectory Prediction

Revisiting Zeroth-Order Optimization for Memory-Efficient LLM Fine-Tuning: A Benchmark

1 code implementation18 Feb 2024 Yihua Zhang, Pingzhi Li, Junyuan Hong, Jiaxiang Li, Yimeng Zhang, Wenqing Zheng, Pin-Yu Chen, Jason D. Lee, Wotao Yin, Mingyi Hong, Zhangyang Wang, Sijia Liu, Tianlong Chen

In the evolving landscape of natural language processing (NLP), fine-tuning pre-trained Large Language Models (LLMs) with first-order (FO) optimizers like SGD and Adam has become standard.

Benchmarking

Zeroth-order Riemannian Averaging Stochastic Approximation Algorithms

no code implementations25 Sep 2023 Jiaxiang Li, Krishnakumar Balasubramanian, Shiqian Ma

We present Zeroth-order Riemannian Averaging Stochastic Approximation (\texttt{Zo-RASA}) algorithms for stochastic optimization on Riemannian manifolds.

Stochastic Optimization

A Riemannian ADMM

no code implementations3 Nov 2022 Jiaxiang Li, Shiqian Ma, Tejes Srivastava

The iteration complexity of the proposed algorithm for obtaining an $\epsilon$-stationary point is analyzed under mild assumptions.

Dictionary Learning Riemannian optimization

Solving combinational optimization problems with evolutionary single-pixel imaging

no code implementations12 Oct 2022 Wei Huang, Jiaxiang Li, Shuming Jiao, Zibang Zhang

Single-pixel imaging (SPI) is a novel optical imaging technique by replacing the pixelated sensor array in a conventional camera with a single-pixel detector.

Federated Learning on Riemannian Manifolds

no code implementations12 Jun 2022 Jiaxiang Li, Shiqian Ma

This paper studies FL over Riemannian manifolds, which finds important applications such as federated PCA and federated kPCA.

Federated Learning

Playing Tic-Tac-Toe Games with Intelligent Single-pixel Imaging

no code implementations7 May 2022 Shuming Jiao, Jiaxiang Li, Wei Huang, Zibang Zhang

Single-pixel imaging (SPI) is a novel optical imaging technique by replacing a two-dimensional pixelated sensor with a single-pixel detector and pattern illuminations.

Stochastic Zeroth-order Riemannian Derivative Estimation and Optimization

no code implementations25 Mar 2020 Jiaxiang Li, Krishnakumar Balasubramanian, Shiqian Ma

We consider stochastic zeroth-order optimization over Riemannian submanifolds embedded in Euclidean space, where the task is to solve Riemannian optimization problem with only noisy objective function evaluations.

Riemannian optimization

Cannot find the paper you are looking for? You can Submit a new open access paper.