35 citations · 126 across the 13 of their papers we have counts for
13 papers
Heuristic-Based Merging of HPC Traces to Extend Hardware Counter Coverage
Júlia Orteu Aubach, Fabio Banchelli, Marc Clascà Ramírez +1
This work extends a framework for predicting the performance of High-Performance Computing (HPC) workloads using Machine Learning (ML). A common limitation in performance modeling…
Hardware-Agnostic and Insightful Efficiency Metrics for Accelerated Systems: Definition and Implementation within TALP
Ghazal Rahimi, Victor Lopez, Marc Clascà +3
The increasing adoption of heterogeneous platforms that combine CPUs with accelerators such as GPUs in high-performance computing (HPC) introduces new challenges for performance an…
Introducing MareNostrum5: A European pre-exascale energy-efficient system designed to serve a broad spectrum of scientific workloads
Fabio Banchelli, Marta Garcia-Gasulla, Filippo Mantovani +7
MareNostrum5 is a pre-exascale supercomputer at the Barcelona Supercomputing Center (BSC), part of the EuroHPC Joint Undertaking. With a peak performance of 314 petaflops, MareNost…
Exploring RISC-V Long Vector Capabilities: A Case Study in Earth Sciences
Fabio Banchelli, David Jurado, Marta Garcia-Gasulla +1
This paper investigates the performance of Earth Sciences codes, specifically SeisSol and MiniFALL3D, on a RISC-V-based CPU featuring a long vector processing unit. The study focus…
Exploiting long vectors with a CFD code: a co-design show case
Marc Blancafort, Roger Ferrer, Guillaume Houzeaux +2
A current trend in HPC systems is the utilization of architectures with SIMD or vector extensions to exploit data parallelism. There are several ways to take advantage of such mode…
Lessons learned from a performance analysis and optimization of a multiscale cellular simulation
Marc Clascà, Marta Garcia-Gasulla, Arnau Montagud +2
This work presents a comprehensive performance analysis and optimization of a multiscale agent-based cellular simulation. The optimizations applied are guided by detailed performan…
Software Development Vehicles to enable extended and early co-design: a RISC-V and HPC case of study
Filippo Mantovani, Pablo Vizcaino, Fabio Banchelli +6
Prototyping HPC systems with low-to-mid technology readiness level (TRL) systems is critical for providing feedback to hardware designers, the system software team (e.g., compiler…
Runtime-Adaptable Selective Performance Instrumentation
Sebastian Kreutzer, Christian Iwainsky, Marta Garcia-Gasulla +2
Automated code instrumentation, i.e. the insertion of measurement hooks into a target application by the compiler, is an established technique for collecting reliable, fine-grained…
A portable coding strategy to exploit vectorization on combustion simulations
Fabio Banchelli, Guillermo Oyarzun, Marta Garcia-Gasulla +4
The complexity of combustion simulations demands the latest high-performance computing tools to accelerate its time-to-solution results. A current trend on HPC systems is the utili…
Dynamic resource allocation for efficient parallel CFD simulations
G. Houzeaux, R. M. Badia, R. Borrell +4
CFD users of supercomputers usually resort to rule-of-thumb methods to select the number of subdomains (partitions) when relying on MPI-based parallelization. One common approach i…
Performance and energy consumption of HPC workloads on a cluster based on Arm ThunderX2 CPU
Filippo Mantovani, Marta Garcia-Gasulla, José Gracia +5
In this paper, we analyze the performance and energy consumption of an Arm-based high-performance computing (HPC) system developed within the European project Mont-Blanc 3. This sy…
Heterogeneous CPU/GPU co-execution of CFD simulations on the POWER9 architecture: Application to airplane aerodynamics
R. Borrell, D. Dosimont, M. Garcia-Gasulla +6
High fidelity Computational Fluid Dynamics simulations are generally associated with large computing requirements, which are progressively acute with each new generation of superco…
MPI+X: task-based parallelization and dynamic load balance of finite element assembly
Marta Garcia-Gasulla, Guillaume Houzeaux, Roger Ferrer +4
The main computing tasks of a finite element code(FE) for solving partial differential equations (PDE's) are the algebraic system assembly and the iterative solver. This work focus…