Node Characteristics

Description of Multivac queue configuration and the technical characteristics associated with each cluster machine.

Multivac Cluster Diagram

        graph
   subgraph multivac ["πŸ–₯️ Cluster Multivac"]
      iocex["<b>iocex</b><br/>(Login Node)"]
      subgraph all ["<b>all<b/>"]

         subgraph dops ["<b>dops</b>"]
               psi["<b>psi</b><br/>256 GB | 128 CPU"]
               cetus["<b>cetus</b><br/>64 GB | 40 CPU"]
               dops-a4["<b>dops-a[1-2]</b><br/>16 GB | 4 CPU"]
               dops-a8["<b>dops-a[3-5]</b><br/>16 GB | 8 CPU"]
               dops-b["<b>dops-b[1-20]</b><br/>32 GB | 6 CPU"]
         end
         subgraph dops-gpu ["<b>dops-gpu</b>"]
            dops-gpu1["πŸš€ <b>dops-gpu1</b><br/>128 GB | 24 CPU<br/>RTX 5090"]
         end

      end
      nfs[("πŸ’Ύ NFS Storage")]

   end

   YourPC["πŸ’» Your PC"] --> iocex
   iocex --> psi
   iocex --> cetus
   iocex --> dops-a4
   iocex --> dops-a8
   iocex --> dops-b
   iocex --> dops-gpu1

   psi --> nfs
   cetus --> nfs
   dops-a4 --> nfs
   dops-a8 --> nfs
   dops-b --> nfs
   dops-gpu1 --> nfs

   iocex --> nfs

%% Node styles (color:#000000 added to force dark text)
style iocex fill:#e1f5fe,stroke:#01579b,stroke-width:2px,color:#000000
style YourPC fill:#ffffff,stroke:#333,stroke-dasharray: 5 5,color:#000000
style nfs fill:#fff9c4,stroke:#fbc02d,stroke-width:2px,color:#000000

%% Styles for standard compute nodes (to avoid black rendering)
style psi fill:#ffffff,stroke:#9e9e9e,color:#000000
style cetus fill:#ffffff,stroke:#9e9e9e,color:#000000
style dops-a4 fill:#ffffff,stroke:#9e9e9e,color:#000000
style dops-a8 fill:#ffffff,stroke:#9e9e9e,color:#000000
style dops-b fill:#ffffff,stroke:#9e9e9e,color:#000000

%% Special highlight for GPU
style dops-gpu1 fill:#e8f5e9,stroke:#2e7d32,stroke-width:3px,color:#000000

%% Hierarchy styles (subgraphs)
style multivac fill:#f5f5f5,stroke:#9e9e9e,color:#000000
style all fill:#ffffff,stroke:#cfd8dc,color:#000000
style dops fill:#eceff1,stroke:#607d8b,color:#000000

dops-aX Type Nodes

There are 5 dops-aX nodes with the following characteristics:

  • NodeName: dops-a1, dops-a2, dops-a3, dops-a4, dops-a5

  • CPUs: 4 or 8 (variable)

  • Boards: 1

  • SocketsPerBoard: 1

  • CoresPerSocket: 4

  • ThreadsPerCore: 1 or 2 (variable)

  • RealMemory: 15879 or 15900 MB (variable)

dops-bX Type Nodes

There are 20 dops-bX nodes with the following characteristics:

  • NodeName: dops-b1, dops-b2, dops-b3, dops-b4, dops-b5, dops-b6, dops-b7, dops-b8, dops-b9, dops-b10, dops-b11, dops-b12, dops-b13, dops-b14, dops-b15, dops-b16, dops-b17, dops-b18, dops-b19, dops-b20

  • CPUs: 6

  • Boards: 1

  • SocketsPerBoard: 1

  • CoresPerSocket: 6

  • ThreadsPerCore: 1

  • RealMemory: 31872 MB

cetus Node

The cetus node has the following characteristics:

  • NodeName: cetus

  • CPUs: 40

  • Boards: 1

  • SocketsPerBoard: 2

  • CoresPerSocket: 10

  • ThreadsPerCore: 2

  • RealMemory: 64166 MB

psi Node

The psi node has the following characteristics:

  • NodeName: psi

  • CPUs: 128

  • Boards: 1

  • SocketsPerBoard: 2

  • CoresPerSocket: 32

  • ThreadsPerCore: 2

  • RealMemory: 257379 MB

dops-gpu1 Node

The dops-gpu1 node has the following characteristics:

  • NodeName: dops-gpu1

  • CPUs: 32

  • Boards: 1

  • SocketsPerBoard: 1

  • CoresPerSocket: 32

  • ThreadsPerCore: 1

  • RealMemory: 128527 MB

  • GPU: NVIDIA Corporation GB202 [GeForce RTX 5090] (rev a1)

Partition Configuration

The all partition is the default partition and includes the following nodes:

  • dops-a1, dops-a2, dops-a3, dops-a4, dops-a5, dops-b1, dops-b2, dops-b3, dops-b4, dops-b5, dops-b6, dops-b7, dops-b8, dops-b9, dops-b10, dops-b11, dops-b12, dops-b13, dops-b14, dops-b15, dops-b16, dops-b17, dops-b18, dops-b19, dops-b20, cetus, psi and dops-gpu1

The dops partition is the DOPS group partition and includes the following nodes:

  • dops-a1, dops-a2, dops-a3, dops-a4, dops-a5, dops-b1, dops-b2, dops-b3, dops-b4, dops-b5, dops-b6, dops-b7, dops-b8, dops-b9, dops-b10, dops-b11, dops-b12, dops-b13, dops-b14, dops-b15, dops-b16, dops-b17, dops-b18, dops-b19, dops-b20, cetus, psi and dops-gpu1

Note

New queues will be implemented soon.

Caution

The trantor partition was removed in June 2025.