Efficient design for MPI asynchronous progress without dedicated resources
The overlap of computation and communication is critical for good performance of many
HPC applications. State-of-the-art designs for the asynchronous progress require specially …
HPC applications. State-of-the-art designs for the asynchronous progress require specially …
Efficient asynchronous communication progress for MPI without dedicated resources
The overlap of computation and communication is critical for good performance of many
HPC applications. State-of-the-art designs for the asynchronous progress require specially …
HPC applications. State-of-the-art designs for the asynchronous progress require specially …
OpenACC profiling support for clang and LLVM using clacc and TAU
Since its launch in 2010, OpenACC has evolved into one of the most widely used portable
programming models for accelerators on HPC systems today. Clacc is a project funded by …
programming models for accelerators on HPC systems today. Clacc is a project funded by …
Enabling callback-driven runtime introspection via MPI_T
MA Hermanns, NT Hjlem, M Knobloch… - Proceedings of the 25th …, 2018 - dl.acm.org
Understanding the behavior of parallel applications that use the Message Passing Interface
(MPI) is critical for optimizing communication performance. Performance tools for MPI …
(MPI) is critical for optimizing communication performance. Performance tools for MPI …
Locating and categorizing inefficient communication patterns in HPC systems using inter-process communication traces
L Alawneh, A Hamou-Lhadj - Journal of Systems and Software, 2022 - Elsevier
Abstract High Performance Computing (HPC) systems are used in a variety of industrial and
research sectors to solve complex problems that require powerful computing platforms. For …
research sectors to solve complex problems that require powerful computing platforms. For …
Machine-agnostic and Communication-aware Designs for MPI on Emerging Architectures
Modern multi-/many-cores offer higher core-density, hardware multi-threading, deeper
memory hierarchies, and diverse architectural capabilities. While emerging cloud-based …
memory hierarchies, and diverse architectural capabilities. While emerging cloud-based …
SYMBIOSYS: A methodology for performance analysis of composable hpc data services
Microservices are a powerful new way of building, customizing, and deploying distributed
services owing to their flexibility and maintainability. Several large-scale distributed …
services owing to their flexibility and maintainability. Several large-scale distributed …
STaKTAU: profiling HPC applications' operating system usage
This paper presents a approach for measuring the time spent by HPC applications in the
operating system's kernel. We use the SystemTap interface to insert timers before and after …
operating system's kernel. We use the SystemTap interface to insert timers before and after …
Multi-level performance instrumentation for Kokkos applications using TAU
The TAU Performance System® provides a multi-level instrumentation strategy for
instrumentation of Kokkos applications. Kokkos provides a performance portable API for …
instrumentation of Kokkos applications. Kokkos provides a performance portable API for …
Generating and Scaling a Multi-Language Test-Suite for MPI
J Adam, JB Besnard, P Canat, H Taboada… - Proceedings of the 30th …, 2023 - dl.acm.org
High-Performance Computing (HPC) is currently facing significant challenges. The
hardware pressure has become increasingly difficult to manage due to the lack of parallel …
hardware pressure has become increasingly difficult to manage due to the lack of parallel …