Nyström method for accurate and scalable implicit differentiation

R Hataya, M Yamada - International Conference on Artificial …, 2023 - proceedings.mlr.press
The essential difficulty of gradient-based bilevel optimization using implicit differentiation is
to estimate the inverse Hessian vector product with respect to neural network parameters …

FONN: Federated Optimization with Nys-Newton

C Nagaraju, M Sen, CK Mohan - TENCON 2023-2023 IEEE …, 2023 - ieeexplore.ieee.org
Federated optimization or federated learning (FL) involves optimization of the global model
or the server model by minimizing the global loss function which is weighted average of all …

FAGH: Accelerating Federated Learning with Approximated Global Hessian

M Sen, AK Qin - arXiv preprint arXiv:2403.11041, 2024 - arxiv.org
In federated learning (FL), the significant communication overhead due to the slow
convergence speed of training the global model poses a great challenge. Specifically, a …

FopLAHD: Federated Optimization Using Locally Approximated Hessian Diagonal

M Sen, CK Mohan - International Conference on Big Data Analytics, 2023 - Springer
Federated optimization or Federated learning (FL) is a novel decentralized machine
learning algorithm, where a server model or global model is trained collaboratively without …

SOFIM: Stochastic Optimization Using Regularized Fisher Information Matrix

M Sen, AK Qin, YW Chen, B Raman - arXiv preprint arXiv:2403.02833, 2024 - arxiv.org
This paper introduces a new stochastic optimization method based on the regularized Fisher
information matrix (FIM), named SOFIM, which can efficiently utilize the FIM to approximate …

Nys-FL: A communication efficient Federated learning with Nyström approximated Global Newton direction

M Sen, CK Mohan, K Qin - … Data Science & Systems, Smart City …, 2023 - ieeexplore.ieee.org
High communication overhead is a challenging problem in Federated Learning (FL), which
needs to be minimized. One way to reduce the overall communication overhead is directed …

NOAH: Newton Method of Optimization with Approximated Hessian

M Sen, CK Mohan - … , Data Science & Systems, Smart City & …, 2023 - ieeexplore.ieee.org
Newton method of optimization is very much useful in machine learning and deep learning
optimizations due its order two convergence. The major problems of Newton method of …