4 papers
DIKTAMO: Extending CXL for Resilience to CPU Failures
Antonis Psistakis, Burak Ocalan, Chloe Alverti +3
Compute Express Link (CXL) 3.0 and beyond allows the compute nodes of a cluster to share data with hardware cache coherence and at the granularity of a cache line. This enables sha…
HEAL: Online Incremental Recovery for Leaderless Distributed Systems Across Persistency Models
Antonis Psistakis, Burak Ocalan, Fabien Chaix +2
Ensuring resilience in distributed systems has become an acute concern. In today's environment, it is crucial to develop light-weight mechanisms that recover a distributed system f…
NET4EXA: Pioneering the Future of Interconnects for Supercomputing and AI
Michele Martinelli, Roberto Ammendola, Andrea Biagioni +41
NET4EXA aims to develop a next-generation high-performance interconnect for HPC and AI systems, addressing the increasing demands of large-scale infrastructures, such as those requ…
The ExaNeSt Prototype: Evaluation of Efficient HPC Communication Hardware in an ARM-based Multi-FPGA Rack
Manolis Ploumidis, Fabien Chaix, Nikolaos Chrysos +21
We present and evaluate the ExaNeSt Prototype, a liquid-cooled rack prototype consisting of 256 Xilinx ZU9EG MPSoCs, 4 TBytes of DRAM, 16 TBytes of SSD, and configurable interconne…