activity
20232026
most citedMatFormer: Nested Transformer for Elastic Inference

3 citations · 5 across the 12 of their papers we have counts for

collaborators

14 papers

cs.LG2026

Towards Continual Learning: Mitigating Forgetting With Subspace Tuning

Arnav Chavan, Kusha Sareen, Rishabh Tiwari +6

Large language models (LLMs) acquire new skills through fine-tuning, but it can destroy capabilities they already have: catastrophic forgetting remains a central obstacle to contin…

cs.CL2026

APEX: Automated Prompt Engineering eXpert with Dynamic Data Selection

Fei Wang, Si Si, Cho-Jui Hsieh +1

Large Language Models are highly sensitive to prompt formulation, necessitating automatic prompt optimization to unlock their full potential. While evolutionary algorithms have eme…

cs.LG2026

ODRPO: Ordinal Decompositions of Discrete Rewards for Robust Policy Optimization

Nirmal Patel, Fei Wang, Inderjit S. Dhillon

The alignment of Large Language Models (LLMs) utilizes Reinforcement Learning from AI Feedback (RLAIF) for non-verifiable domains such as long-form question answering and open-ende…

cs.LG2026

Learning, Fast and Slow: Towards LLMs That Adapt Continually

Rishabh Tiwari, Kusha Sareen, Lakshya A Agrawal +6

Large language models (LLMs) are trained for downstream tasks by updating their parameters (e.g., via RL). However, updating model parameters forces them to absorb task-specific in…

cs.LG2026

Interleaved Head Attention

Sai Surya Duvvuri, Chanakya Ekbote, Rachit Bansal +6

Multi-Head Attention (MHA) is the core computational primitive underlying modern Large Language Models (LLMs). However, MHA suffers from a fundamental linear scaling limitation: $H…

cs.LG2026

LUCID: Attention with Preconditioned Representations

Sai Surya Duvvuri, Nirmal Patel, Nilesh Gupta +1

Softmax-based dot-product attention is a cornerstone of Transformer architectures, enabling remarkable capabilities such as in-context learning. However, as context lengths increas…

cs.LG2025

Compressing Many-Shots in In-Context Learning

Devvrit Khatri, Pranamya Kulkarni, Nilesh Gupta +9

Large Language Models (LLMs) have been shown to be able to learn different tasks without explicit finetuning when given many input-output examples / demonstrations through In-Conte…

cs.LG2025★ 1 cited

The Art of Scaling Reinforcement Learning Compute for LLMs

Devvrit Khatri, Lovish Madaan, Rishabh Tiwari +6

Reinforcement learning (RL) has become central to training large language models (LLMs), yet the field lacks predictive scaling methodologies comparable to those established for pr…

cs.IR2025

Scalable In-context Ranking with Generative Models

Nilesh Gupta, Chong You, Srinadh Bhojanapalli +3

In-context Ranking (ICR) is an emerging paradigm for Information Retrieval (IR), which leverages contextual understanding of LLMs by directly incorporating the task description, ca…

cs.IR2025

LLM-guided Hierarchical Search for End-to-end Reasoning Intensive Retrieval

Nilesh Gupta, Wei-Cheng Chang, Ngot Bui +2

Search systems are increasingly used for reasoning-intensive queries, where what makes a document relevant requires understanding or reasoning over the query-document relation rath…

cs.LG2025

Matryoshka Model Learning for Improved Elastic Student Models

Chetan Verma, Aditya Srinivas Timmaraju, Cho-Jui Hsieh +7

Industry-grade ML models are carefully designed to meet rapidly evolving serving constraints, which requires significant resources for model development. In this paper, we propose…

cs.LG2023★ 1 cited

Dual-Encoders for Extreme Multi-Label Classification

Nilesh Gupta, Devvrit Khatri, Ankit S Rawat +3

Dual-encoder (DE) models are widely used in retrieval tasks, most commonly studied on open QA benchmarks that are often characterized by multi-class and limited training data. In c…

cs.LG2023

EHI: End-to-end Learning of Hierarchical Index for Efficient Dense Retrieval

Ramnath Kumar, Anshul Mittal, Nilesh Gupta +3

Dense embedding-based retrieval is widely used for semantic search and ranking. However, conventional two-stage approaches, involving contrastive embedding learning followed by app…

cs.LG2023★ 3 cited

MatFormer: Nested Transformer for Elastic Inference

Devvrit, Sneha Kudugunta, Aditya Kusupati +8

Foundation models are applied in a broad spectrum of settings with different inference constraints, from massive multi-accelerator clusters to resource-constrained standalone mobil…