activity
20002025
most citedFokker-Planck equations and density of states in disordered quantum wires

55 citations · 85 across the 19 of their papers we have counts for

collaborators

21 papers

cs.DC2025

RHAPSODY: Execution of Hybrid AI-HPC Workflows at Scale

Aymen Alsaadi, Mason Hooten, Mariya Goliyad +14

Hybrid AI-HPC workflows combine large-scale simulation, training, high-throughput inference, and tightly coupled, agent-driven control within a single execution campaign. These wor…

cs.DC2025

Adaptive Protein Design Protocols and Middleware

Aymen Alsaadi, Jonathan Ash, Mikhail Titov +4

Computational protein design is experiencing a transformation driven by AI/ML. However, the range of potential protein sequences and structures is astronomically vast, even for mod…

cs.DC2025

Integrating and Characterizing HPC Task Runtime Systems for hybrid AI-HPC workloads

Andre Merzky, Mikhail Titov, Matteo Turilli +1

Scientific workflows increasingly involve both HPC and machine-learning tasks, combining MPI-based simulations, training, and inference in a single execution. Launchers such as Slu…

cs.DC2025★ 1 cited

Scalable Runtime Architecture for Data-driven, Hybrid HPC and ML Workflow Applications

Andre Merzky, Mikhail Titov, Matteo Turilli +3

Hybrid workflows combining traditional HPC and novel ML methodologies are transforming scientific computing. This paper presents the architecture and implementation of a scalable r…

cs.DC2025

Deep RC: A Scalable Data Engineering and Deep Learning Pipeline

Arup Kumar Sarker, Aymen Alsaadi, Alexander James Halpern +7

Significant obstacles exist in scientific domains including genetics, climate modeling, and astronomy due to the management, preprocess, and training on complicated data for deep l…

cs.SE2024

Exascale Workflow Applications and Middleware: An ExaWorks Retrospective

Aymen Alsaadi, Mihael Hategan-Marandiuc, Ketan Maheshwari +9

Exascale computers offer transformative capabilities to combine data-driven and learning-based approaches with traditional simulation applications to accelerate scientific discover…

cs.DC2024★ 1 cited

Workflows Community Summit 2024: Future Trends and Challenges in Scientific Workflows

Rafael Ferreira da Silva, Deborah Bard, Kyle Chard +108

The Workflows Community Summit gathered 111 participants from 18 countries to discuss emerging trends and challenges in scientific workflows, focusing on six key areas: time-sensit…

cs.SE2024

ExaWorks Software Development Kit: A Robust and Scalable Collection of Interoperable Workflow Technologies

Matteo Turilli, Mihael Hategan-Marandiuc, Mikhail Titov +13

Scientific discovery increasingly requires executing heterogeneous scientific workflows on high-performance computing (HPC) platforms. Heterogeneous workflows contain different typ…

cs.DC2024★ 2 cited

Scaling on Frontier: Uncertainty Quantification Workflow Applications using ExaWorks to Enable Full System Utilization

Mikhail Titov, Robert Carson, Matthew Rolchigo +6

When running at scale, modern scientific workflows require middleware to handle allocated resources, distribute computing payloads and guarantee a resilient execution. While indivi…

cs.DC2024

Design and Implementation of an Analysis Pipeline for Heterogeneous Data

Arup Kumar Sarker, Aymen Alsaadi, Niranda Perera +8

Managing and preparing complex data for deep learning, a prevalent approach in large-scale data science can be challenging. Data transfer for model training also presents difficult…

cs.DC2024

Workflow Mini-Apps: Portable, Scalable, Tunable & Faithful Representations of Scientific Workflows

Ozgur Ozan Kilic, Tianle Wang, Matteo Turilli +4

Workflows are critical for scientific discovery. However, the sophistication, heterogeneity, and scale of workflows make building, testing, and optimizing them increasingly challen…

cs.DC2023★ 2 cited

The Common Workflow Scheduler Interface: Status Quo and Future Plans

Fabian Lehmann, Jonathan Bader, Lauritz Thamsen +1

Nowadays, many scientific workflows from different domains, such as Remote Sensing, Astronomy, and Bioinformatics, are executed on large computing infrastructures managed by resour…

cs.DC2023

Workflows Community Summit 2022: A Roadmap Revolution

Rafael Ferreira da Silva, Rosa M. Badia, Venkat Bala +102

Scientific workflows have become integral tools in broad scientific computing use cases. Science discovery is increasingly dependent on workflows to orchestrate large and complex s…

cs.DC2022

The Ghost of Performance Reproducibility Past

Srinivasan Ramesh, Mikhail Titov, Matteo Turilli +2

The importance of ensemble computing is well established. However, executing ensembles at scale introduces interesting performance fluctuations that have not been well investigated…

cs.DC2021

ExaWorks: Workflows for Exascale

Aymen Al-Saadi, Dong H. Ahn, Yadu Babuji +12

Exascale computers will offer transformative capabilities to combine data-driven and learning-based approaches with traditional simulation applications to accelerate scientific dis…

cs.DC2021★ 3 cited

Pandemic Drugs at Pandemic Speed: Infrastructure for Accelerating COVID-19 Drug Discovery with Hybrid Machine Learning- and Physics-based Simulations on High Performance Computers

Agastya P. Bhati, Shunzhou Wan, Dario Alfè +26

The race to meet the challenges of the global pandemic has served as a reminder that the existing drug discovery process is expensive, inefficient and slow. There is a major bottle…

cs.DC2021★ 3 cited

Design and Performance Characterization of RADICAL-Pilot on Leadership-class Platforms

Andre Merzky, Matteo Turilli, Mikhail Titov +2

Many extreme scale scientific applications have workloads comprised of a large number of individual high-performance tasks. The Pilot abstraction decouples workload specification,…

cs.DC2020★ 6 cited

Scalable HPC and AI Infrastructure for COVID-19 Therapeutics

Hyungro Lee, Andre Merzky, Li Tan +15

COVID-19 has claimed more 1 million lives and resulted in over 40 million infections. There is an urgent need to identify drugs that can inhibit SARS-CoV-2. In response, the DOE re…

cs.DC2020★ 3 cited

IMPECCABLE: Integrated Modeling PipelinE for COVID Cure by Assessing Better LEads

Aymen Al Saadi, Dario Alfe, Yadu Babuji +33

The drug discovery process currently employed in the pharmaceutical industry typically requires about 10 years and $2-3 billion to deliver one new drug. This is both too expensive…

cond-mat.mes-hall2015★ 9 cited

Korshunov instantons out of equilibrium

M. Titov, D. B. Gutman

Zero-dimensional dissipative action possesses non-trivial minima known as Korshunov instantons. They have been known so far only for imaginary time representation that is limited t…

cond-mat.dis-nn2000★ 55 cited

Fokker-Planck equations and density of states in disordered quantum wires

M. Titov, P. W. Brouwer, A. Furusaki +1

We propose a general scheme to construct scaling equations for the density of states in disordered quantum wires for all ten pure Cartan symmetry classes. The anomalous behavior of…