RED-SEA project
Authors: José Duro, Adrián Castelló, Maria Engracia Gomez, Julio Sahuquillo, Enrique Quintana (UPV) 1 Introduction In this blog entry, we present the characterization of the network congestion for the target RED-SEA applications. This congestion is mainly due to collective communication operations, and therefore some of the optimizations for collective communications primitives (CCP) proposed in Task […]
Authors: Charisios Loukas, Evangelos Mageiropoulos and Nikos Chrysos, FORTH Don’t miss the demo at the end of this article! Low-latency inter-node communication is important in HPC clusters. Following the conclusion of the ExaNeSt project, which studied the adoption of low-cost, power-efficient Arm processor clusters for Exascale-class systems, as part of the RED-SEA project, we swapped […]
Author: Andrea Biagioni, INFN One of the goals of RED-SEA is to tightly integrate network interfaces to different computing nodes, accelerators and workloads. We are addressing interfaces with ARM and RISC-V to prepare a number of EPI-related IPs for the new interconnect, but more generally we are designing an effective network interface for different workloads […]
Authors: Yannik Müller, Ilya Zhukov and Vitor Silva (Jülich Supercomputing Centre, Forschungszentrum Jülich, Jülich, Germany) I. Introduction Efficient communication among processes is vital in the High-Performance Computing (HPC) world. To gain insights into the current network’s state and identify potential bottlenecks, a reliable network benchmarking tool is required. This is where LinkTest comes in – […]
An Open-Source Integrated Solution to Address the Simulator Gap for Parallel Heterogeneous Systems Authors: Nikolaos Tampouratzis (EXAPSYS), Yannis Papaefstathiou (EXAPSYS). Nowadays, highly parallel and distributed computing systems (i.e., Cloud and HPC systems) are growing in capability at an extraordinary rate, incorporating processing systems that vary from simple microcontrollers to high performance units connected with each […]
A set of tools to reproduce communication traffic of parallel applications in high-performance interconnection network Simulators Authors: Miguel Sánchez de la Rosa (UCLM), Gabriel Gómez López (UCLM), Francisco J. Andújar (UVA), Jesús Escudero Sahuquillo (UCLM), Pedro J. García (UCLM), Francisco J. Alfaro (UCLM), Francisco J. Quiles (UCLM) and Jose L. Sánchez (UCLM). Simulation is a […]
Authors: Simon Pickartz (ParTec), Carsten Clauss (ParTec) The ParaStation MPI communication stack is a central pillar of ParaStation Modulo. This is a comprehensive software suite especially designed for systems following the design principles of the Modular Supercomputing Architecture (MSA). It is the selected middleware powering the DEEP projects but is also extensively used in production […]
Authors: Gilles Moreau (CEA), Hugo Taboada (CEA), Marc Pérache (CEA) 1 Introduction Context Nowadays, HPC applications scale to several hundred nodes, and MPI has become the de facto standard for internode communication. It abstracts Point-to-Point (P2P) communication to the application developer while taking advantage of the underlying network. With ever increasing demand for bandwidth-oriented communications, […]
Editor: Fabien Locussol, Interconnect & Network Product Manager at Atos RED-SEA builds upon the European interconnect BXI (Bull eXascale Interconnect) from Atos. BXI is already in production and featured in Top 500 systems. RED-SEA aims to enhance and extend it to meet the challenges of the Exascale era. This page is presenting some benchmark results […]
Salvatore Di Girolamo, ETH Zürich Need for network acceleration Datacenter and HPC systems are growing at unprecedented speeds. The Frontier supercomputer has been recently deployed at the Oak Ridge National Laboratory in Oak Ridge, Tenn, making it the first exascale system in the United States. At their core, these systems are a collection of compute […]