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arXiv research

A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

169,181 papers · 148 categories

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3476931,0401,386 · Jun 202019922001200920182026
48 results for sparse training sets

SSVI efficiently trains sparse Bayesian neural networks with minimal compression and performance loss.

problem Efficiently training Bayesian neural networks with uncertainty quantification.
method SSVI optimizes a sparse subspace basis selection and its parameters alternately, guided by weight distribution statistics.
result SSVI achieves significant compression (10-20x model size reduction) with minimal performance drop (under 3%) and FLOPs reduction (up to 20x) compared to dense Variational Inference.

Campfire simplifies sparse training for CNNs, achieving high accuracy with minimal pruning.

problem Training CNNs with sparse weights to maintain high accuracy and robustness.
method Gradual pruning technique with simplified sparsity structure, exploring various tradeoffs.
result Sparse ResNet-50 and ResNet-50 v1.5 achieve 75% top-1 accuracy with 70% sparsity, <1% accuracy loss.

The goal of predictive sparse coding is to learn a representation of examples as sparse linear combinations of elements from a dictionary, such that a learned hypothesis linear in the new representation performs well on a predictive task. Predictive sparse coding algorithms recently have demonstrated impressive perform…

2012-02-18abs ↗pdf ↗

NeuroFabric proposes a method to optimize sparse network training topologies.

problem Long training times in deep neural networks due to high memory and compute requirements.
method Developed a new sparse neural network initialization scheme and evaluated various topologies.
result Identified a single optimal topology that maximizes accuracy across different datasets.

Sparse routing networks with co-training prevent catastrophic forgetting in continual learning.

problem Catastrophic forgetting in neural networks trained on a sequence of tasks.
method Sparse routing networks with co-training to minimize interference between dissimilar tasks.
result Sparse routing networks with co-training outperform densely connected networks on benchmarks.

Novel active learning framework using sparse approximation for efficient model training.

problem Efficient model training with limited labeled data.
method Formulates batch active learning as sparsity-constrained discontinuous optimization problems, using greedy or proximal iterative hard thresholding algorithms.
result Achieves competitive performance with lower computational complexity across different settings.

FedDST trains sparse sub-networks to improve efficiency in federated learning.

problem Efficiently train large models on resource-limited edge devices with limited network bandwidth.
method Dynamic sparse training to reduce model size and communication.
result FedDST outperforms existing methods in federated learning, especially in non-i.i.d. settings.

This paper studies CSDL's reconstruction risk and finds it consistent in the ultra-sparse setting.

problem The statistical properties of convolutional sparse dictionary learning (CSDL).
method Identifies the minimax convergence rate of CSDL in terms of reconstruction risk, upper bounds the risk of an established CSDL estimator, and proves a matching lower bound.
result Consistency in reconstruction risk is possible precisely in the ultra-sparse setting.

Sparse coding approximates the data sample as a sparse linear combination of some basic codewords and uses the sparse codes as new presentations. In this paper, we investigate learning discriminative sparse codes by sparse coding in a semi-supervised manner, where only a few training samples are labeled. By using the m…

2013-11-26abs ↗pdf ↗

Powerpropagation makes neural networks inherently sparse.

problem Training sparse neural networks to reduce computational footprint and model size.
method Introduces a new weight-parameterisation technique exploiting gradient descent dynamics.
result Models trained with Powerpropagation have a higher density of zero weights, allowing for more efficient pruning.

Efficiently trains HDP topic models on large datasets using a sparse data-parallel sampler.

problem Scaling non-parametric topic models to large datasets.
method Data-parallel training with a doubly sparse sampler for HDP topic models.
result Trains HDP topic models on a 8m document, 768m token PubMed corpus in under 4 days.

The paper explains practical insights for sparse network modeling.

problem Resolving pathologies in traditional network modeling, focusing on sparsity.
method Sparse exchangeable graphs, network subsampling, test-train dataset splitting, mean field variational inference.
result Practical insights and methods for sparse network modeling.

Paper develops efficient variational inference for sparse deep learning with theoretical guarantees.

problem Sparse deep learning's challenge of huge storage consumption and sparse structure recovery.
method Bayesian treatment with spike-and-slab priors and continuous relaxation of Bernoulli distribution for computationally efficient variational inferences.
result Provides variational posterior contraction rate, justifying consistency of the proposed method.

Sparse learning speeds up neural network training without sacrificing accuracy.

problem Training deep neural networks efficiently while maintaining performance.
method Sparse momentum algorithm that redistributes and grows weights based on momentum magnitude.
result State-of-the-art sparse performance on various datasets with up to 5.61x faster training.

DistGP models multi-robot mapping with distributed Gaussian process learning.

problem Collaborative mapping by multiple robots with limited local data.
method Sparse Gaussian process with factorisation and distributed training via GBP.
result DistGP achieves superior accuracy and robustness compared to DiNNO.

Method generates dense fields from sparse measurements without needing spatial statistics or examples.

problem Generating dense physical fields from sparse measurements.
method Introduces a differentiable numerical simulator into neural network training.
result Superior results on fluid mechanics problems compared to statistical and neural network methods.

Sparse modeling improves portfolio optimization by reducing errors in complex market systems.

problem Errors in multivariate modeling of markets and economy.
method L0-norm sparse elliptical modeling to reduce oversimplification, and study likelihood in- and out-of-sample for different parameter lengths.
result Sparse models lead to better portfolio performance, higher out-of-sample likelihood, and lower volatility.

Study shows how specialized attention circuits emerge during transformer training.

problem Understanding the mechanisms of transformer training dynamics at large scales.
method Controlled sparse modular addition task; monitoring token evolution via visual sandbox.
result Specialized attention circuits (clustering heads) naturally emerge during training.

Sparse neural networks training is difficult due to optimization failures and energy landscape issues.

problem Training sparse neural networks leads to suboptimal solutions and optimization failures.
method Investigated optimization dynamics and energy landscape in sparse neural networks.
result Sparse neural networks have a linear path with a monotonically decreasing objective from initialization to a good solution, but not from a bad solution.

RandNet learns from compressed image data, improving efficiency and accuracy.

problem Efficiency and accuracy in training neural networks with large datasets.
method RandNet uses compressed random measurements of images to train neural networks efficiently.
result RandNet achieves comparable accuracy to full data training with minimal loss.

Sparse nearest-centroid classifiers detect relevant features for classification.

problem Classifying data with low computational cost and feature selection.
method Proposes 1\ell_1 and 2\ell_2 sparse variants of nearest-centroid classifiers.
result Training sparse classifiers can be done exactly and at quasi-linear cost.

Sparse Transformers reduce memory and time requirements for long sequence modeling.

problem Quadratic growth in memory and time with transformer sequence length.
method Sparse factorizations of attention matrix, deeper network training, attention matrix recomputation, fast attention kernels.
result Sparse Transformers can model sequences up to tens of thousands of timesteps with hundreds of layers.

Sparse neural networks can improve performance with less memory.

problem Lack of fast memory limits deep neural network performance.
method Experimented with sparse neural network topologies, including pruning-based and RadiX-Nets.
result Sparse networks achieve comparable accuracy to dense networks but suffer instability at extreme sparsity.

New pruning methods improve dynamic sparse training performance.

problem Improving dynamic sparse training performance.
method Design and empirical analysis of pruning criteria.
result Most pruning methods yield similar results, but magnitude-based pruning performs best in low-density regimes.