Author

Ariful Azad

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Preprint Oct 2026

LLBPE: Linked-List Based GPU-Parallel BPE Tokenizer

Every LLM inference begins with tokenization, which converts raw input bytes into the discrete token sequence the model consumes. For text, this step is often implemented using Byte Pair Encoding (BPE), an algorithm originally introduced for data compression. BPE has traditionally run on the CPU with extensive optimiza...

Aditya Kovilur, V. C. Shekar, Ariful Azad · 0 citations

#artificial intelligence Preprint Sep 2026

Lost in Conversation or Lost in Translation? Diagnosing Multi-Turn Degradation in RAG

It is revealed that multi-turn interaction causes widespread performance degradation, incurring relative performance drops of up to 21% and increasing unreliability by 47%, making RAG systems simultaneously less accurate and less reliable.

Pranav Handa, Ariful Azad · 0 citations

Preprint Aug 2026

KGCache: Amortized Subgraph Retrieval for KG Reasoning with LLMs

This work proposes KGCache, an in-memory cache for one-hop knowledge graph neighborhoods, which is designed to be compatible with both iterative traversal (ToG) and one shot planning (RoG) KGQA paradigms and shows substantial entity reuse among starting entities and entities reached during traversal.

Uros Stanic, Chang-He Yuan, Sabuj Laskar et al. · 0 citations