activity
20242026
collaborators

6 papers

cs.DC2026

MAGNUS: Fast SpGEMM on GPUs for Irregular Matrices via Hierarchical Multisplit

Jordi Wolfson-Pou, Ahmed Helal, Fabrizio Petrini

We present MAGNUS, a novel algorithm for sparse matrix-matrix multiplication (SpGEMM) of irregular matrices on GPUs. Such matrices often contain many heavy rows, those with larg…

cs.LG2025

ReLATE: Accelerating Tensor Decomposition via Safe and Efficient Learning of Sparse Encodings

Ahmed E. Helal, Fabio Checconi, Jan Laukemann +4

Tensor decomposition (TD) is essential for analyzing high-dimensional sparse data, yet its irregular computations and memory-access patterns pose major performance challenges on mo…

cs.AR2025

Scaling Intelligence: Designing Data Centers for Next-Gen Language Models

Jesmin Jahan Tithi, Hanjiang Wu, Avishaii Abuhatzera +1

The explosive growth of Large Language Models (LLMs), such as GPT-4 with 1.8 trillion parameters, demands a fundamental rethinking of data center architecture to ensure scalability…

cs.DC2025

MAGNUS: Generating Data Locality to Accelerate Sparse Matrix-Matrix Multiplication on CPUs

Jordi Wolfson-Pou, Jan Laukemann, Fabrizio Petrini

Sparse general matrix-matrix multiplication (SpGEMM) is a critical operation in many applications. Current multithreaded implementations are based on Gustavson's algorithm and ofte…

cs.DC2024

Enhancing Scalability and Performance in Influence Maximization with Optimized Parallel Processing

Hanjiang Wu, Huan Xu, Joongun Park +5

Influence Maximization (IM) is vital in viral marketing and biological network analysis for identifying key influencers. Given its NP-hard nature, approximate solutions are employe…

cs.AI2024

Efficient Parallel Multi-Hop Reasoning: A Scalable Approach for Knowledge Graph Analysis

Jesmin Jahan Tithi, Fabio Checconi, Fabrizio Petrini

Multi-hop reasoning (MHR) is a process in artificial intelligence and natural language processing where a system needs to make multiple inferential steps to arrive at a conclusion…