What is LUMI?
2560 GPU-based nodes (LUMI-G), each node with one 64 core AMD Trento CPU and four AMD MI250X GPUs.
1536 dual-socket CPU nodes LUMI-C with 64-core 3rd-generation AMD EPYC™ CPUs, and between 256 GB and 1024 GB of memory.
large memory GPU nodes LUMI-D, with a total of 32 TB of memory in the partition for data analytics and visualisation.
20 PB main storage LUMI-P with an aggregate bandwidth of 240 GB/s
7 PB flash storage LUMI-F with bandwidth of 1 740 GB/s.
At LUMI Slurm partitions can be allocated by node or by resources. More about partitions can be found here.
if job is run using GPUs
if job needs large memory
if queue on HPC is too large