Alexandru Calotoiu

71 papers A* 1A 17B 4C 3Journal 30Unranked 12
YearRankTypeTitle / Venue / Authors
2026 J jnl
Cost-Effective Empirical Performance Modeling.
IEEE Trans. Parallel Distributed Syst.
Marcus Ritter, Benedikt Naumann, Alexandru Calotoiu, Sebastian Rinke, Thorsten Reimann, Torsten Hoefler, Felix Wolf
2026 J jnl
MLIR-Forge: A Modular Framework for Language Smiths.
CoRR
Berke Ates, Philipp Schaad, Timo Schneider, Alexandru Calotoiu, Torsten Hoefler
2026 J jnl
Scaling Laws of Global Weather Models.
CoRR
Yuejiang Yu, Langwen Huang, Alexandru Calotoiu, Torsten Hoefler
2026 J jnl
Validating the performance of GPU ports using differential performance models.
Future Gener. Comput. Syst.
Alexander Geiß, Téodora Hovi, Alexandru Calotoiu, Felix Wolf
2025 A conf
A Priori Loop Nest Normalization: Automatic Loop Scheduling in Complex Applications.
CGO
Lukas Trümper, Philipp Schaad, Berke Ates, Alexandru Calotoiu, Marcin Copik, Torsten Hoefler
2025 A conf
Computing the Full Earth System at 1km Resolution.
SC
Daniel Klocke, Claudia Frauen, Jan Frederik Engels, Dmitry Alexeev, René Redler, Reiner Schnur, Helmuth Haak, Luis Kornblueh, Nils Brüggemann, Fatemeh Chegini, Manoel Römmer, Lars Hoffmann, Sabine Griessbach, Mathis Bode, Jonathan Coles, Miguel Gila, William Sawyer, Alexandru Calotoiu, Yakup Budanaz, Pratyai Mazumder, Marcin Copik, Benjamin Weber, Andreas Herten, Hendryk Bockelmann, Torsten Hoefler, Cathy Hohenegger, Bjorn Stevens
2025 J jnl
Cppless: Single-Source and High-Performance Serverless Programming in C++.
ACM Trans. Archit. Code Optim.
Marcin Copik, Lukas Möller, Alexandru Calotoiu, Torsten Hoefler
2025 C conf
DaCe AD: Unifying High-Performance Automatic Differentiation for Machine Learning and Scientific Computing.
CLUSTER
Afif Boudaoud, Alexandru Calotoiu, Marcin Copik, Torsten Hoefler
2025 J jnl
DaCe AD: Unifying High-Performance Automatic Differentiation for Machine Learning and Scientific Computing.
CoRR
Afif Boudaoud, Alexandru Calotoiu, Marcin Copik, Torsten Hoefler
2025 J jnl
Denoising Application Performance Models with Noise-Resilient Priors.
CoRR
Gustavo de Morais, Alexander Geiß, Alexandru Calotoiu, Gregor Corbin, Ahmad Tarraf, Torsten Hoefler, Bernd Mohr, Felix Wolf
2025 J jnl
Design in Tiles: Automating GEMM Deployment on Tile-Based Many-PE Accelerators.
CoRR
Aofeng Shen, Chi Zhang, Yakup Budanaz, Alexandru Calotoiu, Torsten Hoefler, Luca Benini
2025 J jnl
Iterating Pointers: Enabling Static Analysis for Loop-based Pointers.
CoRR
Andrea Lepori, Alexandru Calotoiu, Torsten Hoefler
2025 J jnl
Iterating Pointers: Enabling Static Analysis for Loop-based Pointers.
ACM Trans. Archit. Code Optim.
Andrea Lepori, Alexandru Calotoiu, Torsten Hoefler
2025 J jnl
Productivity, Portability, Performance, and Reproducibility: Data-Centric Python.
IEEE Trans. Parallel Distributed Syst.
Alexandros Nikolaos Ziogas, Timo Schneider, Tal Ben-Nun, Alexandru Calotoiu, Tiziano De Matteis, Johannes de Fine Licht, Luca Lavarini, Torsten Hoefler
2025 — conf
SeBS 2.0: Keeping up with the Clouds.
SESAME@EuroSys
Marcin Copik, Alexandru Calotoiu, Torsten Hoefler
2025 A conf
SeBS-Flow: Benchmarking Serverless Cloud Function Workflows.
EuroSys
Larissa Schmid, Marcin Copik, Alexandru Calotoiu, Laurin Brandner, Anne Koziolek, Torsten Hoefler
2024 J jnl
A Priori Loop Nest Normalization: Automatic Loop Scheduling in Complex Applications.
CoRR
Lukas Trümper, Philipp Schaad, Berke Ates, Alexandru Calotoiu, Marcin Copik, Torsten Hoefler
2024 J jnl
Cppless: Productive and Performant Serverless Programming in C++.
CoRR
Lukas Möller, Marcin Copik, Alexandru Calotoiu, Torsten Hoefler
2024 A conf
FaaSKeeper: Learning from Building Serverless Services with ZooKeeper as an Example.
HPDC
Marcin Copik, Alexandru Calotoiu, Pengyu Zhou, Konstantin Taranov, Torsten Hoefler
2024 — conf
Process-as-a-Service: Unifying Elastic and Stateful Clouds with Serverless Processes.
SoCC
Marcin Copik, Alexandru Calotoiu, Gyorgy Réthy, Roman Böhringer, Rodrigo Bruno, Torsten Hoefler
2024 J jnl
SeBS-Flow: Benchmarking Serverless Cloud Function Workflows.
CoRR
Larissa Schmid, Marcin Copik, Alexandru Calotoiu, Laurin Brandner, Anne Koziolek, Torsten Hoefler
2024 A conf
Software Resource Disaggregation for HPC with Serverless Computing.
IPDPS
Marcin Copik, Marcin Chrapek, Larissa Schmid, Alexandru Calotoiu, Torsten Hoefler
2024 J jnl
Software Resource Disaggregation for HPC with Serverless Computing.
CoRR
Marcin Copik, Marcin Chrapek, Larissa Schmid, Alexandru Calotoiu, Torsten Hoefler
2024 J jnl
Towards Specialized Supercomputers for Climate Sciences: Computational Requirements of the Icosahedral Nonhydrostatic Weather and Climate Model.
CoRR
Torsten Hoefler, Alexandru Calotoiu, Anurag Dipankar, Thomas C. Schulthess, Xavier Lapillonne, Oliver Fuhrer
2023 A conf
Bridging Control-Centric and Data-Centric Optimization.
CGO
Tal Ben-Nun, Berke Ates, Alexandru Calotoiu, Torsten Hoefler
2023 J jnl
Bridging Control-Centric and Data-Centric Optimization.
CoRR
Tal Ben-Nun, Berke Ates, Alexandru Calotoiu, Torsten Hoefler
2023 A conf
FMI: Fast and Cheap Message Passing for Serverless Functions.
ICS
Marcin Copik, Roman Böhringer, Alexandru Calotoiu, Torsten Hoefler
2023 J jnl
FMI: Fast and Cheap Message Passing for Serverless Functions.
CoRR
Marcin Copik, Roman Böhringer, Alexandru Calotoiu, Torsten Hoefler
2023 A conf
FuzzyFlow: Leveraging Dataflow To Find and Squash Program Optimization Bugs.
SC
Philipp Schaad, Timo Schneider, Tal Ben-Nun, Alexandru Calotoiu, Alexandros Nikolaos Ziogas, Torsten Hoefler
2023 J jnl
FuzzyFlow: Leveraging Dataflow To Find and Squash Program Optimization Bugs.
CoRR
Philipp Schaad, Timo Schneider, Tal Ben-Nun, Alexandru Calotoiu, Alexandros Nikolaos Ziogas, Torsten Hoefler
2023 A conf
Performance Embeddings: A Similarity-Based Transfer Tuning Approach to Performance Optimization.
ICS
Lukas Trümper, Tal Ben-Nun, Philipp Schaad, Alexandru Calotoiu, Torsten Hoefler
2023 J jnl
Performance Embeddings: A Similarity-based Approach to Automatic Performance Optimization.
CoRR
Lukas Trümper, Tal Ben-Nun, Philipp Schaad, Alexandru Calotoiu, Torsten Hoefler
2023 B conf
User-guided Page Merging for Memory Deduplication in Serverless Systems.
IEEE Big Data
Wei Qiu, Marcin Copik, Yun Wang, Alexandru Calotoiu, Torsten Hoefler
2023 J jnl
User-guided Page Merging for Memory Deduplication in Serverless Systems.
CoRR
Wei Qiu, Marcin Copik, Yun Wang, Alexandru Calotoiu, Torsten Hoefler
2023 A conf
rFaaS: Enabling High Performance Serverless with RDMA and Leases.
IPDPS
Marcin Copik, Konstantin Taranov, Alexandru Calotoiu, Torsten Hoefler
2022 J jnl
FaasKeeper: a Blueprint for Serverless Services.
CoRR
Marcin Copik, Alexandru Calotoiu, Konstantin Taranov, Torsten Hoefler
2022 A conf
Lifting C semantics for dataflow optimization.
ICS
Alexandru Calotoiu, Tal Ben-Nun, Grzegorz Kwasniewski, Johannes de Fine Licht, Timo Schneider, Philipp Schaad, Torsten Hoefler
2022 A conf
Performance-detective: automatic deduction of cheap and accurate performance models.
ICS
Larissa Schmid, Marcin Copik, Alexandru Calotoiu, Dominik Werle, Andreas Reiter, Michael Selzer, Anne Koziolek, Torsten Hoefler
2021 A* conf
A RISC-V in-network accelerator for flexible high-performance low-power packet processing.
ISCA
Salvatore Di Girolamo, Andreas Kurth, Alexandru Calotoiu, Thomas Benz, Timo Schneider, Jakub Beránek, Luca Benini, Torsten Hoefler
2021 J jnl
Design-time performance modeling of compositional parallel programs.
Parallel Comput.
Fabian Czappa, Alexandru Calotoiu, Thomas Höhl, Heiko Mantel, Toni Nguyen, Felix Wolf
2021 B conf
Extracting clean performance models from tainted programs.
PPoPP
Marcin Copik, Alexandru Calotoiu, Tobias Grosser, Nicolas Wicki, Felix Wolf, Torsten Hoefler
2021 J jnl
Lifting C Semantics for Dataflow Optimization.
CoRR
Alexandru Calotoiu, Tal Ben-Nun, Grzegorz Kwasniewski, Johannes de Fine Licht, Timo Schneider, Philipp Schaad, Torsten Hoefler
2021 A conf
Noise-Resilient Empirical Performance Modeling with Deep Neural Networks.
IPDPS
Marcus Ritter, Alexander Geiß, Johannes Wehrstein, Alexandru Calotoiu, Thorsten Reimann, Torsten Hoefler, Felix Wolf
2021 B conf
Pebbles, Graphs, and a Pinch of Combinatorics: Towards Tight I/O Lower Bounds for Statically Analyzable Programs.
SPAA
Grzegorz Kwasniewski, Tal Ben-Nun, Lukas Gianinazzi, Alexandru Calotoiu, Timo Schneider, Alexandros Nikolaos Ziogas, Maciej Besta, Torsten Hoefler
2021 J jnl
Pebbles, Graphs, and a Pinch of Combinatorics: Towards Tight I/O Lower Bounds for Statically Analyzable Programs.
CoRR
Grzegorz Kwasniewski, Tal Ben-Nun, Lukas Gianinazzi, Alexandru Calotoiu, Timo Schneider, Alexandros Nikolaos Ziogas, Maciej Besta, Torsten Hoefler
2021 J jnl
Productivity, Portability, Performance: Data-Centric Python.
CoRR
Alexandros Nikolaos Ziogas, Timo Schneider, Tal Ben-Nun, Alexandru Calotoiu, Tiziano De Matteis, Johannes de Fine Licht, Luca Lavarini, Torsten Hoefler
2021 A conf
Productivity, portability, performance: data-centric Python.
SC
Alexandros Nikolaos Ziogas, Timo Schneider, Tal Ben-Nun, Alexandru Calotoiu, Tiziano De Matteis, Johannes de Fine Licht, Luca Lavarini, Torsten Hoefler
2021 J jnl
RFaaS: RDMA-Enabled FaaS Platform for Serverless High-Performance Computing.
CoRR
Marcin Copik, Konstantin Taranov, Alexandru Calotoiu, Torsten Hoefler
2020 — conf
Empirical Modeling of Spatially Diverging Performance.
HUST/ProTools@SC
Alexandru Calotoiu, Markus Geisenhofer, Florian Kummer, Marcus Ritter, Jens Weber, Torsten Hoefler, Martin Oberlack, Felix Wolf
2020 — ch.
ExtraPeak: Advanced Automatic Performance Modeling for HPC Applications.
Software for Exascale Computing
Alexandru Calotoiu, Marcin Copik, Torsten Hoefler, Marcus Ritter, Sergei Shudler, Felix Wolf
2020 J jnl
Extracting Clean Performance Models from Tainted Programs.
CoRR
Marcin Copik, Alexandru Calotoiu, Tobias Grosser, Nicolas Wicki, Felix Wolf, Torsten Hoefler
2020 A conf
Learning Cost-Effective Sampling Strategies for Empirical Performance Modeling.
IPDPS
Marcus Ritter, Alexandru Calotoiu, Sebastian Rinke, Thorsten Reimann, Torsten Hoefler, Felix Wolf
2020 J jnl
PsPIN: A high-performance low-power architecture for flexible in-network compute.
CoRR
Salvatore Di Girolamo, Andreas Kurth, Alexandru Calotoiu, Thomas Benz, Timo Schneider, Jakub Beránek, Luca Benini, Torsten Hoefler
2019 — conf
Automatic Instrumentation Refinement for Empirical Performance Modeling.
ProTools@SC
Jan-Patrick Lehr, Alexandru Calotoiu, Christian H. Bischof, Felix Wolf
2019 — conf
Designing Efficient Parallel Software via Compositional Performance Modeling.
ProTools@SC
Alexandru Calotoiu, Thomas Höhl, Heiko Mantel, Toni Nguyen, Felix Wolf
2019 J jnl
Engineering Algorithms for Scalability through Continuous Validation of Performance Expectations.
IEEE Trans. Parallel Distributed Syst.
Sergei Shudler, Yannick Berens, Alexandru Calotoiu, Torsten Hoefler, Alexandre Strube, Felix Wolf
2018 — —
Automatic Empirical Performance Modeling of Parallel Programs.
Alexandru Calotoiu
2018 — conf
Exploring the Performance Envelope of the LLL Algorithm.
CSE
Michael Burger, Christian H. Bischof, Alexandru Calotoiu, Thomas Wunderer, Felix Wolf
2018 C conf
Lightweight Requirements Engineering for Exascale Co-design.
CLUSTER
Alexandru Calotoiu, Alexander Graf, Torsten Hoefler, Daniel Lorenz, Sebastian Rinke, Felix Wolf
2017 — conf
Following the Blind Seer - Creating Better Performance Models Using Less Information.
Euro-Par
Patrick Reisert, Alexandru Calotoiu, Sergei Shudler, Felix Wolf
2017 B conf
Isoefficiency in Practice: Configuring and Understanding the Performance of Task-based Applications.
PPoPP
Sergei Shudler, Alexandru Calotoiu, Torsten Hoefler, Felix Wolf
2017 — conf
Off-Road Performance Modeling - How to Deal with Segmented Data.
Euro-Par
M. Kashif Ilyas, Alexandru Calotoiu, Felix Wolf
2016 — ch.
Automated Performance Modeling of the UG4 Simulation Framework.
Software for Exascale Computing
Andreas Vogel, Alexandru Calotoiu, Arne Nägel, Sebastian Reiter, Alexandre Strube, Gabriel Wittum, Felix Wolf
2016 — ch.
Automatic Performance Modeling of HPC Applications.
Software for Exascale Computing
Felix Wolf, Christian H. Bischof, Alexandru Calotoiu, Torsten Hoefler, Christian Iwainsky, Grzegorz Kwasniewski, Bernd Mohr, Sergei Shudler, Alexandre Strube, Andreas Vogel, Gabriel Wittum
2016 C conf
Fast Multi-parameter Performance Modeling.
CLUSTER
Alexandru Calotoiu, David Beckingsale, Christopher W. Earl, Torsten Hoefler, Ian Karlin, Martin Schulz, Felix Wolf
2015 — conf
10, 000 Performance Models per Minute - Scalability of the UG4 Simulation Framework.
Euro-Par
Andreas Vogel, Alexandru Calotoiu, Alexandre Strube, Sebastian Reiter, Arne Nägel, Felix Wolf, Gabriel Wittum
2015 A conf
Exascaling Your Library: Will Your Implementation Meet Your Expectations?
ICS
Sergei Shudler, Alexandru Calotoiu, Torsten Hoefler, Alexandre Strube, Felix Wolf
2015 — conf
How Many Threads will be too Many? On the Scalability of OpenMP Implementations.
Euro-Par
Christian Iwainsky, Sergei Shudler, Alexandru Calotoiu, Alexandre Strube, Michael Knobloch, Christian H. Bischof, Felix Wolf
2014 — conf
Catwalk: A Quick Development Path for Performance Models.
Euro-Par Workshops (2)
Felix Wolf, Christian H. Bischof, Torsten Hoefler, Bernd Mohr, Gabriel Wittum, Alexandru Calotoiu, Christian Iwainsky, Alexandre Strube, Andreas Vogel
2013 A conf
Using automated performance modeling to find scalability bugs in complex codes.
SC
Alexandru Calotoiu, Torsten Hoefler, Marius Poke, Felix Wolf
2012 — conf
Pattern-Independent Detection of Manual Collectives in MPI Programs.
Euro-Par
Alexandru Calotoiu, Christian Siebert, Felix Wolf