Compute Nodes and Specialized Nodes
In this section, you will find detailed information about the compute nodes and specialized nodes available in each of our HPC clusters. This includes the total number of nodes, processor types, memory configurations, and any specialized hardware such as GPU and high-memory nodes.
Cluster 1: ARINA
This is the newest cluster in the IZO-SGI Scientific Computing Service. The new ARINA cluster was created in 2020 and upgraded in 2024.
The following tabs shows the different types and features of the computing nodes:
The cluster can be accessed connecting via ssh to the following login nodes :
1. agamede.lgp.ehu.es
2. kalk2020.lgp.ehu.es
The ARINA cluster is currently composed by two set of compute node, named:
amd192 and xeon40
adm192
- Total Number of Nodes: 22 ( named : naXX )
- Processor Type: 2 x AMD EPYC 9654 Processor with 96 cores
- Number of Cores per Node: 192
- Total Number of Cores: 3456
- Memory per Node: 4Gb / core = 768 Gb
- Total Memory: 13,5 Tb
xeon40
- Total Number of Nodes: 44 (named nhXXX )
- Processor Type: 2 x Intel(R) Xeon(R) Gold 6230 CPU @ 2.10GHz with 20 cores
- Number of Cores per Node: 40
- Total Number of Cores: 1760
- Memory per Node: 4,75Gb / core = 190 Gb
- Total Memory: 8,1 Tb
A100 GPU Node
- Number of GPU Nodes: 1 ( named nagpu01 )
- Processor type : 2 x AMD EPYC 9654 Processor with 96 cores
- GPU Model: NVIDIA A100 80Gb with NVlink pair connection.
- Number of GPUs per Node: 8
- MIG Partitioning: 4 x A100, 4 x 4g.40gb, 4 x 2g.20gb, 4 x 1g.20gb
- Memory per node: 1.5Tb
H100 GPU Node
- Number of GPU Nodes: 1 ( named nagpu02 )
- Processor type : 2 x AMD EPYC 9654 Processor with 96 cores
- GPU Model: NVIDIA H100 96Gb with NVlink pair connection.
- Number of GPUs per Node: 4
- MIG Partitioning: 2 x H100, 2 x 4g.47gb, 2 x 2g.24gb, 2 x 1g.24gb
- Memory per node: 1.5Tb
High-Memory Nodes (FAT-node)
- Number of High-Memory Nodes: 1 ( name nh045, however GPU node can be used also as a FAT-node)
- Processor Type: 2 x Intel(R) Xeon(R) Gold 6230 CPU @ 2.10GHz with 20 cores
- Memory per High-Memory Node: 1,5Tb.
Cluster 2: ARINA-ZAHAR
The ARINA-ZAHAR cluster was created in 2015 and upgraded in 2017.
The following tabs shows the different types and features of the computing nodes:
The cluster can be accessed connecting via ssh to the following login nodes :
1. kalk2017.lgp.ehu.es
2. katramila.lgp.ehu.es
The ARINA cluster is currently composed by two set of compute node, named:
amd192 and xeon40
xeon28
- Total Number of Nodes: 67 ( named : ndXX )
- Processor Type: 2 x Intel(R) Xeon(R) CPU E5-2680 v4 @ 2.40GHz Processor with 14 cores
- Number of Cores per Node: 28
- Total Number of Cores: 1876
- Memory per Node: 4.4Gb / core = 125 Gb
- Total Memory: 8.2Tb
xeon20
- Total Number of Nodes: 35 (named nbXXX )
- Processor Type: 2 x Intel(R) Xeon(R) CPU E5-2680 v2 @ 2.80GHzwith 10 cores
- Number of Cores per Node: 20
- Total Number of Cores: 700
- Memory per Node: 6.4Gb / core = 128 Gb
- Total Memory: 4.4 Tb
GPU Nodes
- Number of GPU Nodes: 1 ( named nd15 )
- Processor type : 2 x Intel(R) Xeon(R) CPU E5-2680 v4 @ 2.40GHz processor with 14 cores
- GPU Model: NVIDIA Tesla K40m 11Gb.
- Number of GPUs per Node: 2
- Memory per node: 110G
High-Memory Nodes (FAT-node)
- Number of High-Memory Nodes: 2 ( name nb31, however GPU node can be used also as a FAT-node)
- Processor Type: 2 x Intel(R) Xeon(R) CPU E5-4620 v2 @ 2.60GHzwith 16 cores
- Memory per High-Memory Node: 1,5Tb.