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Efficient Multitask Multilingual Model Adaptation with Featurized Low-Rank Mixtures


Kernekoncepter
Featurized Low-rank Mixtures (FLix) offer a novel approach to efficient multitask multilingual tuning, outperforming standard methods in diverse data mixtures.
Resumé

Featurized Low-rank Mixtures (FLix) propose a parameter-efficient fine-tuning method for large language models, showing significant improvements in multitask and multilingual settings. FLix associates unique dataset features with low-rank weight update parameters, leading to better generalization and performance across various tasks and languages. The experiments demonstrate FLix's effectiveness in both supervised learning and zero-shot scenarios, showcasing its potential for efficient model adaptation.

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Statistik
Parameter-efficient fine-tuning significantly reduces adaptation cost. FLix associates each dataset feature with its own low-rank weight update parameters. FLix leads to significant improvements over various tasks in both supervised learning and zero-shot settings.
Citater
"FLix can accommodate diverse dataset mixtures and generalize better to unseen datasets." "FLix is generally computationally efficient, making tuning and deployment efficient."

Vigtigste indsigter udtrukket fra

by Chu-Cheng Li... kl. arxiv.org 02-29-2024

https://arxiv.org/pdf/2402.17934.pdf
Multitask Multilingual Model Adaptation with Featurized Low-Rank  Mixtures

Dybere Forespørgsler

How can FLix be extended to handle additional features beyond language and task?

FLix can be extended to handle additional features beyond language and task by incorporating a more flexible feature engineering approach. This could involve defining new discrete features that capture different aspects of the data, such as domain-specific information, document type, or any other relevant metadata. Each new feature would then be associated with its own low-rank weight update parameters in the FLix model architecture. By expanding the set of features used in FLix, the model can adapt to a wider range of datasets with diverse characteristics. This enhanced flexibility allows FLix to generalize better to unseen datasets and tasks by leveraging specific feature information during fine-tuning.

What are the potential risks associated with cross-lingual knowledge transfer using FLix?

There are several potential risks associated with cross-lingual knowledge transfer using FLix: Negative Transfer: If not properly managed, transferring knowledge across languages using FLix could lead to negative interference among different languages or tasks. In some cases, adapting a single set of parameters for all inputs may not capture the nuances specific to each language or task, resulting in suboptimal performance. Bias Transfer: There is a risk of bias transfer when fine-tuning models across different languages. Biases present in one dataset may inadvertently get transferred to another dataset during adaptation using FLix if not carefully monitored and mitigated. Overfitting: Cross-lingual knowledge transfer might increase the risk of overfitting on certain languages or tasks if there is insufficient diversity in the training data mixture used for adaptation with FLix. Data Sparsity: Limited availability of training data for certain languages or tasks could impact the effectiveness of cross-lingual knowledge transfer through FLix, leading to challenges in generalizing well on unseen datasets. To address these risks, it is essential to carefully design experiments, monitor model performance across various languages and tasks, implement regularization techniques where necessary, and ensure proper evaluation metrics are used to assess performance accurately.

How can FLix be optimized for sparse operations to enhance training efficiency?

To optimize FLiX for sparse operations and enhance training efficiency: Sparse Parameterization: Implementing sparse parameterization techniques within the model architecture can reduce memory footprint and computational overhead during training. Efficient Computation: Utilize efficient algorithms tailored for handling sparse matrices efficiently within deep learning frameworks like TensorFlow or PyTorch. Feature Dropout Optimization: Fine-tune hyperparameters related to feature dropout probabilities effectively based on empirical results from experiments conducted with varying dropout rates. 4Regularization Techniques: Incorporate regularization methods such as L1/L2 regularization into the loss function during training sessions involving sparsity constraints. 5Model Pruning: Apply pruning techniques post-training session periodically based on importance scores assigned per parameter value calculated via magnitude-based criteria like weight magnitudes etc., thereby reducing redundant weights while preserving overall network accuracy levels. These optimizations will help streamline computations within Flix's framework while maintaining high-performance standards throughout various stages involved therein..
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