Alexandru Calotoiu

According to our database, Alexandru Calotoiu authored at least 45 papers between 2012 and 2024.

Collaborative distances:

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

2024

SeBS-Flow: Benchmarking Serverless Cloud Function Workflows.

Larissa Schmid, Marcin Copik, Alexandru Calotoiu, Laurin Brandner, Anne Koziolek, Torsten Hoefler

CoRR, 2024

Towards Specialized Supercomputers for Climate Sciences: Computational Requirements of the Icosahedral Nonhydrostatic Weather and Climate Model.

Torsten Hoefler, Alexandru Calotoiu, Anurag Dipankar, Thomas C. Schulthess, Xavier Lapillonne, Oliver Fuhrer

CoRR, 2024

Cppless: Productive and Performant Serverless Programming in C++.

Lukas Möller, Marcin Copik, Alexandru Calotoiu, Torsten Hoefler

CoRR, 2024

Software Resource Disaggregation for HPC with Serverless Computing.

Marcin Copik, Marcin Chrapek, Larissa Schmid, Alexandru Calotoiu, Torsten Hoefler

Proceedings of the IEEE International Parallel and Distributed Processing Symposium, 2024

FaaSKeeper: Learning from Building Serverless Services with ZooKeeper as an Example.

Marcin Copik, Alexandru Calotoiu, Pengyu Zhou, Konstantin Taranov, Torsten Hoefler

Proceedings of the 33rd International Symposium on High-Performance Parallel and Distributed Computing, 2024

Process-as-a-Service: Unifying Elastic and Stateful Clouds with Serverless Processes.

Marcin Copik, Alexandru Calotoiu, Gyorgy Réthy, Roman Böhringer, Rodrigo Bruno, Torsten Hoefler

Proceedings of the 2024 ACM Symposium on Cloud Computing, 2024

2023

Performance Embeddings: A Similarity-based Approach to Automatic Performance Optimization.

Lukas Trümper, Tal Ben-Nun, Philipp Schaad, Alexandru Calotoiu, Torsten Hoefler

CoRR, 2023

FuzzyFlow: Leveraging Dataflow To Find and Squash Program Optimization Bugs.

Philipp Schaad, Timo Schneider, Tal Ben-Nun, Alexandru Calotoiu, Alexandros Nikolaos Ziogas, Torsten Hoefler

Proceedings of the International Conference for High Performance Computing, 2023

rFaaS: Enabling High Performance Serverless with RDMA and Leases.

Marcin Copik, Konstantin Taranov, Alexandru Calotoiu, Torsten Hoefler

Proceedings of the IEEE International Parallel and Distributed Processing Symposium, 2023

Performance Embeddings: A Similarity-Based Transfer Tuning Approach to Performance Optimization.

Lukas Trümper, Tal Ben-Nun, Philipp Schaad, Alexandru Calotoiu, Torsten Hoefler

Proceedings of the 37th International Conference on Supercomputing, 2023

FMI: Fast and Cheap Message Passing for Serverless Functions.

Marcin Copik, Roman Böhringer, Alexandru Calotoiu, Torsten Hoefler

Proceedings of the 37th International Conference on Supercomputing, 2023

Bridging Control-Centric and Data-Centric Optimization.

Tal Ben-Nun, Berke Ates, Alexandru Calotoiu, Torsten Hoefler

Proceedings of the 21st ACM/IEEE International Symposium on Code Generation and Optimization, 2023

User-guided Page Merging for Memory Deduplication in Serverless Systems.

Wei Qiu, Marcin Copik, Yun Wang, Alexandru Calotoiu, Torsten Hoefler

Proceedings of the IEEE International Conference on Big Data, 2023

2022

FaasKeeper: a Blueprint for Serverless Services.

Marcin Copik, Alexandru Calotoiu, Konstantin Taranov, Torsten Hoefler

CoRR, 2022

Performance-detective: automatic deduction of cheap and accurate performance models.

Larissa Schmid, Marcin Copik, Alexandru Calotoiu, Dominik Werle, Andreas Reiter, Michael Selzer, Anne Koziolek, Torsten Hoefler

Proceedings of the ICS '22: 2022 International Conference on Supercomputing, Virtual Event, June 28, 2022

Lifting C semantics for dataflow optimization.

Alexandru Calotoiu, Tal Ben-Nun, Grzegorz Kwasniewski, Johannes de Fine Licht, Timo Schneider, Philipp Schaad, Torsten Hoefler

Proceedings of the ICS '22: 2022 International Conference on Supercomputing, Virtual Event, June 28, 2022

2021

Design-time performance modeling of compositional parallel programs.

Fabian Czappa, Alexandru Calotoiu, Thomas Höhl, Heiko Mantel, Toni Nguyen, Felix Wolf

Parallel Comput., 2021

RFaaS: RDMA-Enabled FaaS Platform for Serverless High-Performance Computing.

Marcin Copik, Konstantin Taranov, Alexandru Calotoiu, Torsten Hoefler

CoRR, 2021

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

Grzegorz Kwasniewski, Tal Ben-Nun, Lukas Gianinazzi, Alexandru Calotoiu, Timo Schneider, Alexandros Nikolaos Ziogas, Maciej Besta, Torsten Hoefler

Proceedings of the SPAA '21: 33rd ACM Symposium on Parallelism in Algorithms and Architectures, 2021

Productivity, portability, performance: data-centric Python.

Alexandros Nikolaos Ziogas, Timo Schneider, Tal Ben-Nun, Alexandru Calotoiu, Tiziano De Matteis, Johannes de Fine Licht, Luca Lavarini, Torsten Hoefler

Proceedings of the International Conference for High Performance Computing, 2021

Extracting clean performance models from tainted programs.

Marcin Copik, Alexandru Calotoiu, Tobias Grosser, Nicolas Wicki, Felix Wolf, Torsten Hoefler

Proceedings of the PPoPP '21: 26th ACM SIGPLAN Symposium on Principles and Practice of Parallel Programming, 2021

A RISC-V in-network accelerator for flexible high-performance low-power packet processing.

Salvatore Di Girolamo, Andreas Kurth, Alexandru Calotoiu, Thomas Benz, Timo Schneider, Jakub Beránek, Luca Benini, Torsten Hoefler

Proceedings of the 48th ACM/IEEE Annual International Symposium on Computer Architecture, 2021

Noise-Resilient Empirical Performance Modeling with Deep Neural Networks.

Marcus Ritter, Alexander Geiß, Johannes Wehrstein, Alexandru Calotoiu, Thorsten Reimann, Torsten Hoefler, Felix Wolf

Proceedings of the 35th IEEE International Parallel and Distributed Processing Symposium, 2021

2020

ExtraPeak: Advanced Automatic Performance Modeling for HPC Applications.

Alexandru Calotoiu, Marcin Copik, Torsten Hoefler, Marcus Ritter, Sergei Shudler, Felix Wolf

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

PsPIN: A high-performance low-power architecture for flexible in-network compute.

Salvatore Di Girolamo, Andreas Kurth, Alexandru Calotoiu, Thomas Benz, Timo Schneider, Jakub Beránek, Luca Benini, Torsten Hoefler

CoRR, 2020

Empirical Modeling of Spatially Diverging Performance.

Alexandru Calotoiu, Markus Geisenhofer, Florian Kummer, Marcus Ritter, Jens Weber, Torsten Hoefler, Martin Oberlack, Felix Wolf

Proceedings of the IEEE/ACM International Workshop on HPC User Support Tools and Workshop on Programming and Performance Visualization Tools, 2020

Learning Cost-Effective Sampling Strategies for Empirical Performance Modeling.

Marcus Ritter, Alexandru Calotoiu, Sebastian Rinke, Thorsten Reimann, Torsten Hoefler, Felix Wolf

Proceedings of the 2020 IEEE International Parallel and Distributed Processing Symposium (IPDPS), 2020

2019

Engineering Algorithms for Scalability through Continuous Validation of Performance Expectations.

Sergei Shudler, Yannick Berens, Alexandru Calotoiu, Torsten Hoefler, Alexandre Strube, Felix Wolf

IEEE Trans. Parallel Distributed Syst., 2019

Automatic Instrumentation Refinement for Empirical Performance Modeling.

Jan-Patrick Lehr, Alexandru Calotoiu, Christian H. Bischof, Felix Wolf

Proceedings of the IEEE/ACM International Workshop on Programming and Performance Visualization Tools, 2019

Designing Efficient Parallel Software via Compositional Performance Modeling.

Alexandru Calotoiu, Thomas Höhl, Heiko Mantel, Toni Nguyen, Felix Wolf

Proceedings of the IEEE/ACM International Workshop on Programming and Performance Visualization Tools, 2019

2018

Automatic Empirical Performance Modeling of Parallel Programs.

Alexandru Calotoiu

PhD thesis, 2018

Exploring the Performance Envelope of the LLL Algorithm.

Michael Burger, Christian H. Bischof, Alexandru Calotoiu, Thomas Wunderer, Felix Wolf

Proceedings of the 2018 IEEE International Conference on Computational Science and Engineering, 2018

Lightweight Requirements Engineering for Exascale Co-design.

Alexandru Calotoiu, Alexander Graf, Torsten Hoefler, Daniel Lorenz, Sebastian Rinke, Felix Wolf

Proceedings of the IEEE International Conference on Cluster Computing, 2018

2017

Isoefficiency in Practice: Configuring and Understanding the Performance of Task-based Applications.

Sergei Shudler, Alexandru Calotoiu, Torsten Hoefler, Felix Wolf

Proceedings of the 22nd ACM SIGPLAN Symposium on Principles and Practice of Parallel Programming, 2017

Following the Blind Seer - Creating Better Performance Models Using Less Information.

Patrick Reisert, Alexandru Calotoiu, Sergei Shudler, Felix Wolf

Proceedings of the Euro-Par 2017: Parallel Processing - 23rd International Conference on Parallel and Distributed Computing, Santiago de Compostela, Spain, August 28, 2017

Off-Road Performance Modeling - How to Deal with Segmented Data.

M. Kashif Ilyas, Alexandru Calotoiu, Felix Wolf

Proceedings of the Euro-Par 2017: Parallel Processing - 23rd International Conference on Parallel and Distributed Computing, Santiago de Compostela, Spain, August 28, 2017

2016

Automatic Performance Modeling of HPC Applications.

Felix Wolf, Christian H. Bischof, Alexandru Calotoiu, Torsten Hoefler, Christian Iwainsky, Grzegorz Kwasniewski, Bernd Mohr, Sergei Shudler, Alexandre Strube, Andreas Vogel, Gabriel Wittum

Proceedings of the Software for Exascale Computing - SPPEXA 2013-2015, 2016

Automated Performance Modeling of the UG4 Simulation Framework.

Andreas Vogel, Alexandru Calotoiu, Arne Nägel, Sebastian Reiter, Alexandre Strube, Gabriel Wittum, Felix Wolf

Proceedings of the Software for Exascale Computing - SPPEXA 2013-2015, 2016

Fast Multi-parameter Performance Modeling.

Alexandru Calotoiu, David Beckingsale, Christopher W. Earl, Torsten Hoefler, Ian Karlin, Martin Schulz, Felix Wolf

Proceedings of the 2016 IEEE International Conference on Cluster Computing, 2016

2015

Exascaling Your Library: Will Your Implementation Meet Your Expectations?

Sergei Shudler, Alexandru Calotoiu, Torsten Hoefler, Alexandre Strube, Felix Wolf

Proceedings of the 29th ACM on International Conference on Supercomputing, 2015

10, 000 Performance Models per Minute - Scalability of the UG4 Simulation Framework.

Andreas Vogel, Alexandru Calotoiu, Alexandre Strube, Sebastian Reiter, Arne Nägel, Felix Wolf, Gabriel Wittum

Proceedings of the Euro-Par 2015: Parallel Processing, 2015

How Many Threads will be too Many? On the Scalability of OpenMP Implementations.

Christian Iwainsky, Sergei Shudler, Alexandru Calotoiu, Alexandre Strube, Michael Knobloch, Christian H. Bischof, Felix Wolf

Proceedings of the Euro-Par 2015: Parallel Processing, 2015

2014

Catwalk: A Quick Development Path for Performance Models.

Felix Wolf, Christian H. Bischof, Torsten Hoefler, Bernd Mohr, Gabriel Wittum, Alexandru Calotoiu, Christian Iwainsky, Alexandre Strube, Andreas Vogel

Proceedings of the Euro-Par 2014: Parallel Processing Workshops, 2014

2013

Using automated performance modeling to find scalability bugs in complex codes.

Alexandru Calotoiu, Torsten Hoefler, Marius Poke, Felix Wolf

Proceedings of the International Conference for High Performance Computing, 2013

2012

Pattern-Independent Detection of Manual Collectives in MPI Programs.

Alexandru Calotoiu, Christian Siebert, Felix Wolf

Proceedings of the Euro-Par 2012 Parallel Processing - 18th International Conference, 2012