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Speech tokenization serves as the foundation of speech language model (LM), enabling them to perform various tasks such as spoken language modeling, text-to-speech, speech-to-text, etc. Most speech tokenizers are trained independently of…

Computation and Language · Computer Science 2024-09-11 Arnon Turetzky , Yossi Adi

Recent studies show that in supervised fine-tuning (SFT) of large language models (LLMs), data quality matters more than quantity. While most data cleaning methods concentrate on filtering entire samples, the quality of individual tokens…

Computation and Language · Computer Science 2026-03-12 Jinlong Pang , Na Di , Zhaowei Zhu , Jiaheng Wei , Hao Cheng , Chen Qian , Yang Liu

Pre-trained language models have demonstrated powerful capabilities in the field of natural language processing (NLP). Recently, code pre-trained model (PTM), which draw from the experiences of the NLP field, have also achieved…

Software Engineering · Computer Science 2023-11-15 Yu Zhao , Lina Gong , Haoxiang Zhang , Yaoshen Yu , Zhiqiu Huang

Traditional greedy tokenization methods have been a critical step in Natural Language Processing (NLP), influencing how text is converted into tokens and directly impacting model performance. While subword tokenizers like Byte-Pair Encoding…

Computation and Language · Computer Science 2025-05-05 Bharath Raj , Garvit Suri , Vikrant Dewangan , Raghav Sonavane

Multilingual language models have recently gained attention as a promising solution for representing multiple languages in a single model. In this paper, we propose new criteria to evaluate the quality of lexical representation and…

Computation and Language · Computer Science 2023-05-30 Tomasz Limisiewicz , Jiří Balhar , David Mareček

This paper proposes a method to optimize tokenization for the performance improvement of already trained downstream models. Our method generates tokenization results attaining lower loss values of a given downstream model on the training…

Computation and Language · Computer Science 2023-04-24 Tatsuya Hiraoka , Tomoya Iwakura

The rapid advancement of large language models (LLMs) has led to significant improvements in natural language processing but also poses challenges due to their high computational and energy demands. This paper introduces a series of…

Computation and Language · Computer Science 2024-06-27 Dylan Hillier , Leon Guertler , Cheston Tan , Palaash Agrawal , Chen Ruirui , Bobby Cheng

Large Language Models (LLMs) are gaining popularity and improving rapidly. Tokenizers are crucial components of natural language processing, especially for LLMs. Tokenizers break down input text into tokens that models can easily process…

Computation and Language · Computer Science 2025-09-22 Tandin Wangchuk , Tad Gonsalves

Tasks that require character-level reasoning, such as counting or locating characters within words, remain challenging for contemporary language models. A common conjecture is that language models' reliance on subword units, rather than…

Computation and Language · Computer Science 2026-04-08 Omri Uzan , Yuval Pinter

When using an LLM to process text outside the training domain(s), an often overlooked factor is vocabulary mismatch, where the general-domain tokenizer fails to capture frequent domain-specific terms, leading to higher token fertility and…

Computation and Language · Computer Science 2025-10-01 Christian Herold , Michael Kozielski , Nicholas Santavas , Yannick Versley , Shahram Khadivi

Tokenizers play a crucial role in determining the performance, training efficiency, and the inference cost of Large Language Models (LLMs). Designing effective tokenizers for multilingual LLMs is particularly challenging due to diverse…

Computation and Language · Computer Science 2026-03-24 Souvik Rana , Arul Menezes , Ashish Kulkarni , Chandra Khatri , Shubham Agarwal

A multilingual tokenizer is a fundamental component of multilingual neural machine translation. It is trained from a multilingual corpus. Since a skewed data distribution is considered to be harmful, a sampling strategy is usually used to…

Computation and Language · Computer Science 2022-09-13 Shiyue Zhang , Vishrav Chaudhary , Naman Goyal , James Cross , Guillaume Wenzek , Mohit Bansal , Francisco Guzman

Binary code analysis allows analyzing binary code without having access to the corresponding source code. A binary, after disassembly, is expressed in an assembly language. This inspires us to approach binary analysis by leveraging ideas…

Software Engineering · Computer Science 2018-12-18 Fei Zuo , Xiaopeng Li , Patrick Young , Lannan Luo , Qiang Zeng , Zhexin Zhang

Tokenization and transfer learning are two critical components in building state of the art time series foundation models for forecasting. In this work, we systematically study the effect of tokenizer design, specifically scaling and…

Machine Learning · Computer Science 2025-11-18 Alexis Roger , Gwen Legate , Kashif Rasul , Yuriy Nevmyvaka , Irina Rish

Discrete tokenizers have emerged as indispensable components in modern machine learning systems, particularly within the context of autoregressive modeling and large language models (LLMs). These tokenizers serve as the critical interface…

Information Retrieval · Computer Science 2025-02-19 Jian Jia , Jingtong Gao , Ben Xue , Junhao Wang , Qingpeng Cai , Quan Chen , Xiangyu Zhao , Peng Jiang , Kun Gai

Tokenization is an important preprocessing step in the training and inference of large language models (LLMs). While there has been extensive research on the expressive power of the neural achitectures used in LLMs, the impact of…

Computation and Language · Computer Science 2024-12-05 Saibo Geng , Sankalp Gambhir , Chris Wendler , Robert West

Language models typically tokenize text into subwords, using a deterministic, hand-engineered heuristic of combining characters into longer surface-level strings such as 'ing' or whole words. Recent literature has repeatedly shown the…

Computation and Language · Computer Science 2023-10-19 Avijit Thawani , Saurabh Ghanekar , Xiaoyuan Zhu , Jay Pujara

Text preprocessing is often the first step in the pipeline of a Natural Language Processing (NLP) system, with potential impact in its final performance. Despite its importance, text preprocessing has not received much attention in the deep…

Computation and Language · Computer Science 2018-08-24 Jose Camacho-Collados , Mohammad Taher Pilehvar

Large Language Models (LLMs) have shown an impressive capability in code generation. The LLM effectiveness generally increases with its size: The higher the number of LLM's trainable parameters the better its ability to implement code.…

Software Engineering · Computer Science 2026-01-28 Alessandro Giagnorio , Antonio Mastropaolo , Saima Afrin , Massimiliano Di Penta , Gabriele Bavota

Quantization has emerged as a mainstream method for compressing Large Language Models (LLMs), reducing memory requirements and accelerating inference without architectural modifications. While existing research primarily focuses on…

Software Engineering · Computer Science 2025-07-01 Sen Fang , Weiyuan Ding , Antonio Mastropaolo , Bowen Xu