MareNostrum 4

MareNostrum 4 is hosted at Barcelona Supercomputing Centre (BSC), Spain. It was installed in July 2017, replacing MareNostrum III.
How to get access to MareNostrum

Architecture Lenovo SD530 compute cluster
Peak performance 11.15 PFlops
System configuration
  • 48 racks
  • 3,456 main nodes
Processors Per node: 2 Intel Xeon Platinum 8160 24C at 2.1 GHz
Memory Memory Fat nodes:
216 nodes with 12×32 GB DDR4-2667 DIMMS (8GB/core)
3240 nodes with 12×8 GB DDR4-2667 DIMMS (2GB/core)
Main memory 384.75 TB
  • 100Gb Intel Omni-Path Full-Fat Tree
  • 10 Gigabit Ethernet
Operating system Linux – SuSe Distribution
Job scheduler Slurm
More information

User guide:

Contact Javier Bartolomé (