activity
20192022
most citedA Data-Centric Approach to Extreme-Scale Ab initio Dissipative Quantum Transport Simulations

6 citations · 11 across the 5 of their papers we have counts for

collaborators

7 papers

cs.DC20221 cited

Fast Arbitrary Precision Floating Point on FPGA

Johannes de Fine Licht, Christopher A. Pattison, Alexandros Nikolaos Ziogas +2

Numerical codes that require arbitrary precision floating point (APFP) numbers for their core computation are dominated by elementary arithmetic operations due to the super-linear…

cs.CC2021

Pebbles, Graphs, and a Pinch of Combinatorics: Towards Tight I/O Lower Bounds for Statically Analyzable Programs

Grzegorz Kwasniewski, Tal Ben-Nun, Lukas Gianinazzi +5

Determining I/O lower bounds is a crucial step in obtaining communication-efficient parallel algorithms, both across the memory hierarchy and between processors. Current approaches…

cs.DC2020

On the Parallel I/O Optimality of Linear Algebra Kernels: Near-Optimal LU Factorization

Grzegorz Kwasniewski, Tal Ben-Nun, Alexandros Nikolaos Ziogas +3

Dense linear algebra kernels, such as linear solvers or tensor contractions, are fundamental components of many scientific computing applications. In this work, we present a novel…

cs.CE20196 cited

A Data-Centric Approach to Extreme-Scale Ab initio Dissipative Quantum Transport Simulations

Alexandros Nikolaos Ziogas, Tal Ben-Nun, Guillermo Indalecio Fernández +3

The computational efficiency of a state of the art ab initio quantum transport (QT) solver, capable of revealing the coupled electro-thermal properties of atomically-resolved nano-…

cs.CE20194 cited

Optimizing the Data Movement in Quantum Transport Simulations via Data-Centric Parallel Programming

Alexandros Nikolaos Ziogas, Tal Ben-Nun, Guillermo Indalecio Fernández +3

Designing efficient cooling systems for integrated circuits (ICs) relies on a deep understanding of the electro-thermal properties of transistors. To shed light on this issue in cu…

cs.PL2019

Stateful Dataflow Multigraphs: A Data-Centric Model for Performance Portability on Heterogeneous Architectures

Tal Ben-Nun, Johannes de Fine Licht, Alexandros Nikolaos Ziogas +2

The ubiquity of accelerators in high-performance computing has driven programming complexity beyond the skill-set of the average domain scientist. To maintain performance portabili…