🤖 AI Summary
This study addresses the computational bottleneck in multiscale cellular simulations, where molecular diffusion calculations—requiring trillions of operations per time step—hinder scalability to realistic tumor sizes and impede the advancement of disease digital twins. To overcome this challenge, the authors propose a high-performance computing–based scalable molecular diffusion solver, introducing an innovative Biological Finite Volume Method (BioFVM) library that significantly enhances computational efficiency and memory utilization while preserving high numerical accuracy. Experimental results demonstrate that the proposed approach achieves nearly a 200-fold speedup compared to the current state-of-the-art method and reduces memory consumption by up to 36%, thereby establishing a highly efficient computational foundation for next-generation large-scale biological simulations.
📝 Abstract
Agent-based cellular models simulate tissue evolution by capturing the behavior of individual cells, their interactions with neighboring cells, and their responses to the surrounding microenvironment. An important challenge in the field is scaling cellular resolution models to real-scale tumor simulations, which is critical for the development of digital twin models of diseases and requires the use of High-Performance Computing (HPC) since every time step involves trillions of operations. We hereby present a scalable HPC solution for the molecular diffusion modeling using an efficient implementation of state-of-the-art Finite Volume Method (FVM) frameworks. The paper systematically evaluates a novel scalable Biological Finite Volume Method (BioFVM) library and presents an extensive performance analysis of the available solutions. Results shows that our HPC proposal reach almost 200x speedup and up to 36% reduction in memory usage over the current state-of-the-art solutions, paving the way to efficiently compute the next generation of biological problems.