Christie L. Alappat

According to our database, Christie L. Alappat authored at least 15 papers between 2018 and 2025.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2025

Code Generation and Performance Engineering for Matrix-Free Finite Element Methods on Hybrid Tetrahedral Grids.

Fabian Böhm, Daniel Bauer, Nils Kohl, Christie L. Alappat, Dominik Thönnes, Marcus Mohr, Harald Köstler, Ulrich Rüde

SIAM J. Sci. Comput., 2025

Cache blocking of distributed-memory parallel matrix power kernels.

Dane C. Lacey, Christie L. Alappat, Florian Lange, Georg Hager, Holger Fehske, Gerhard Wellein

Int. J. High Perform. Comput. Appl., 2025

Algebraic temporal blocking for sparse iterative solvers on multi-core CPUs.

Christie L. Alappat, Jonas Thies, Georg Hager, Holger Fehske, Gerhard Wellein

Int. J. High Perform. Comput. Appl., 2025

2023

Level-Based Blocking for Sparse Matrices: Sparse Matrix-Power-Vector Multiplication.

Christie L. Alappat, Georg Hager, Olaf Schenk, Gerhard Wellein

IEEE Trans. Parallel Distributed Syst., February, 2023

2022

Multiway p-spectral graph cuts on Grassmann manifolds.

Dimosthenis Pasadakis, Christie Louis Alappat, Olaf Schenk, Gerhard Wellein

Mach. Learn., 2022

Execution-Cache-Memory modeling and performance tuning of sparse matrix-vector multiplication and Lattice quantum chromodynamics on A64FX.

Christie L. Alappat, Nils Meyer, Jan Laukemann, Thomas Gruber, Georg Hager, Gerhard Wellein, Tilo Wettig

Concurr. Comput. Pract. Exp., 2022

2021

ECM modeling and performance tuning of SpMV and Lattice QCD on A64FX.

Christie L. Alappat, Nils Meyer, Jan Laukemann, Thomas Gruber, Georg Hager, Gerhard Wellein, Tilo Wettig

CoRR, 2021

YaskSite: Stencil Optimization Techniques Applied to Explicit ODE Methods on Modern Architectures.

Christie L. Alappat, Johannes Seiferth, Georg Hager, Matthias Korch, Thomas Rauber, Gerhard Wellein

Proceedings of the IEEE/ACM International Symposium on Code Generation and Optimization, 2021

2020

ESSEX: Equipping Sparse Solvers For Exascale.

Christie L. Alappat, Andreas Alvermann, Achim Basermann, Holger Fehske, Yasunori Futamura, Martin Galgon, Georg Hager, Sarah Huber, Akira Imakura, Masatoshi Kawai, Moritz Kreutzer, Bruno Lang, Kengo Nakajima, Melven Röhrig-Zöllner, Tetsuya Sakurai, Faisal Shahzad, Jonas Thies, Gerhard Wellein

Proceedings of the Software for Exascale Computing - SPPEXA 2016-2019, 2020

A Recursive Algebraic Coloring Technique for Hardware-efficient Symmetric Sparse Matrix-vector Multiplication.

Christie L. Alappat, Achim Basermann, Alan R. Bishop, Holger Fehske, Georg Hager, Olaf Schenk, Jonas Thies, Gerhard Wellein

ACM Trans. Parallel Comput., 2020

Bridging the Architecture Gap: Abstracting Performance-Relevant Properties of Modern Server Processors.

Johannes Hofmann, Christie L. Alappat, Georg Hager, Dietmar Fey, Gerhard Wellein

Supercomput. Front. Innov., 2020

K-way p-spectral clustering on Grassmann manifolds.

Dimosthenis Pasadakis, Christie Louis Alappat, Olaf Schenk, Gerhard Wellein

CoRR, 2020

Understanding HPC Benchmark Performance on Intel Broadwell and Cascade Lake Processors.

Christie L. Alappat, Johannes Hofmann, Georg Hager, Holger Fehske, Alan R. Bishop, Gerhard Wellein

Proceedings of the High Performance Computing - 35th International Conference, 2020

Performance Modeling of Streaming Kernels and Sparse Matrix-Vector Multiplication on A64FX.

Christie L. Alappat, Jan Laukemann, Thomas Gruber, Georg Hager, Gerhard Wellein, Nils Meyer, Tilo Wettig

Proceedings of the 2020 IEEE/ACM Performance Modeling, 2020

2018

Applicability of the ECM Performance Model to Explicit ODE Methods on Current Multi-core Processors.

Johannes Seiferth, Christie L. Alappat, Matthias Korch, Thomas Rauber

Proceedings of the High Performance Computing - 33rd International Conference, 2018