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Stream-AI-MD: Streaming AI-driven adaptive molecular simulations for heterogeneous computing platforms
2021 Platform for Advanced Scientific Computing Conference, PASC 2021 ; 2021.
Article in English | Scopus | ID: covidwho-1403116
ABSTRACT
Emerging hardware tailored for artificial intelligence (AI) and machine learning (ML) methods provide novel means to couple them with traditional high performance computing (HPC) workflows involving molecular dynamics (MD) simulations. We propose Stream-AI-MD, a novel instance of applying deep learning methods to drive adaptive MD simulation campaigns in a streaming manner. We leverage the ability to run ensemble MD simulations on GPU clusters, while the data from atomistic MD simulations are streamed continuously to AI/ML approaches to guide the conformational search in a biophysically meaningful manner on a wafer-scale AI accelerator. We demonstrate the efficacy of Stream-AI-MD simulations for two scientific use-cases (1) folding a small prototypical protein, namely ββα-fold (BBA) FSD-EY and (2) understanding protein-protein interaction (PPI) within the SARS-CoV-2 proteome between two proteins, nsp16 and nsp10. We show that Stream-AI-MD simulations can improve time-to-solution by ~50X for BBA protein folding. Further, we also discuss performance trade-offs involved in implementing AI-coupled HPC workflows on heterogeneous computing architectures. © 2021 ACM.

Full text: Available Collection: Databases of international organizations Database: Scopus Language: English Journal: 2021 Platform for Advanced Scientific Computing Conference, PASC 2021 Year: 2021 Document Type: Article

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Full text: Available Collection: Databases of international organizations Database: Scopus Language: English Journal: 2021 Platform for Advanced Scientific Computing Conference, PASC 2021 Year: 2021 Document Type: Article