New logarithmic step size for stochastic gradient descent
- URL: http://arxiv.org/abs/2404.01257v1
- Date: Mon, 1 Apr 2024 17:25:27 GMT
- Title: New logarithmic step size for stochastic gradient descent
- Authors: M. Soheil Shamaee, S. Fathi Hafshejani, Z. Saeidian,
- Abstract summary: We propose a novel warm restart technique using a new logarithmic step size for the gradient descent (SGD)
Our results show that the new logarithmic step improves test accuracy by 92% for the CIFAR100 dataset when we utilize a neuralal network (CNN) model.
- Score: 0.0
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: In this paper, we propose a novel warm restart technique using a new logarithmic step size for the stochastic gradient descent (SGD) approach. For smooth and non-convex functions, we establish an $O(\frac{1}{\sqrt{T}})$ convergence rate for the SGD. We conduct a comprehensive implementation to demonstrate the efficiency of the newly proposed step size on the ~FashionMinst,~ CIFAR10, and CIFAR100 datasets. Moreover, we compare our results with nine other existing approaches and demonstrate that the new logarithmic step size improves test accuracy by $0.9\%$ for the CIFAR100 dataset when we utilize a convolutional neural network (CNN) model.
Related papers
- Modified Step Size for Enhanced Stochastic Gradient Descent: Convergence
and Experiments [0.0]
This paper introduces a novel approach to the performance of the gradient descent (SGD) algorithm by incorporating a modified decay step size based on $frac1sqrttt.
The proposed step size integrates a logarithmic step term, leading to the selection of smaller values in the final iteration.
To the effectiveness of our approach, we conducted numerical experiments on image classification tasks using the FashionMNIST, andARAR datasets.
arXiv Detail & Related papers (2023-09-03T19:21:59Z) - Relationship between Batch Size and Number of Steps Needed for Nonconvex
Optimization of Stochastic Gradient Descent using Armijo Line Search [0.8158530638728501]
We show that SGD performs better than other deep learning networks when it uses deep numerical line.
The results indicate that the number of steps needed for SFO as the batch size grows can be estimated.
arXiv Detail & Related papers (2023-07-25T21:59:17Z) - Dataset Distillation with Convexified Implicit Gradients [69.16247946639233]
We show how implicit gradients can be effectively used to compute meta-gradient updates.
We further equip the algorithm with a convexified approximation that corresponds to learning on top of a frozen finite-width neural kernel.
arXiv Detail & Related papers (2023-02-13T23:53:16Z) - Towards Noise-adaptive, Problem-adaptive Stochastic Gradient Descent [7.176107039687231]
We design step-size schemes that make gradient descent (SGD) adaptive to (i) the noise.
We prove that $T$ iterations of SGD with Nesterov iterations can be near optimal.
Compared to other step-size schemes, we demonstrate the effectiveness of a novel novel exponential step-size scheme.
arXiv Detail & Related papers (2021-10-21T19:22:14Z) - Exploiting Adam-like Optimization Algorithms to Improve the Performance
of Convolutional Neural Networks [82.61182037130405]
gradient descent (SGD) is the main approach for training deep networks.
In this work, we compare Adam based variants based on the difference between the present and the past gradients.
We have tested ensemble of networks and the fusion with ResNet50 trained with gradient descent.
arXiv Detail & Related papers (2021-03-26T18:55:08Z) - Faster Convergence of Stochastic Gradient Langevin Dynamics for
Non-Log-Concave Sampling [110.88857917726276]
We provide a new convergence analysis of gradient Langevin dynamics (SGLD) for sampling from a class of distributions that can be non-log-concave.
At the core of our approach is a novel conductance analysis of SGLD using an auxiliary time-reversible Markov Chain.
arXiv Detail & Related papers (2020-10-19T15:23:18Z) - Balancing Rates and Variance via Adaptive Batch-Size for Stochastic
Optimization Problems [120.21685755278509]
In this work, we seek to balance the fact that attenuating step-size is required for exact convergence with the fact that constant step-size learns faster in time up to an error.
Rather than fixing the minibatch the step-size at the outset, we propose to allow parameters to evolve adaptively.
arXiv Detail & Related papers (2020-07-02T16:02:02Z) - On the Almost Sure Convergence of Stochastic Gradient Descent in
Non-Convex Problems [75.58134963501094]
This paper analyzes the trajectories of gradient descent (SGD)
We show that SGD avoids saddle points/manifolds with $1$ for strict step-size policies.
arXiv Detail & Related papers (2020-06-19T14:11:26Z) - On the Promise of the Stochastic Generalized Gauss-Newton Method for
Training DNNs [37.96456928567548]
We study a generalized Gauss-Newton method (SGN) for training DNNs.
SGN is a second-order optimization method, with efficient iterations, that we demonstrate to often require substantially fewer iterations than standard SGD to converge.
We show that SGN does not only substantially improve over SGD in terms of the number of iterations, but also in terms of runtime.
This is made possible by an efficient, easy-to-use and flexible implementation of SGN we propose in the Theano deep learning platform.
arXiv Detail & Related papers (2020-06-03T17:35:54Z) - Carath\'eodory Sampling for Stochastic Gradient Descent [79.55586575988292]
We present an approach that is inspired by classical results of Tchakaloff and Carath'eodory about measure reduction.
We adaptively select the descent steps where the measure reduction is carried out.
We combine this with Block Coordinate Descent so that measure reduction can be done very cheaply.
arXiv Detail & Related papers (2020-06-02T17:52:59Z)
This list is automatically generated from the titles and abstracts of the papers in this site.
This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.