Resources

LiCCA: Front view

Rear view of one of the racks

Front view of one of the racks

Nodes

ALL

• A head/login node licca-li-01 with 2x64 core AMD EPYC-7713 2.0 GHz CPU-s, 1 TByte of memory, 800GB local storage, and 1PB global storage;
• 42 compute nodes, each with 2x64 core AMD EPYC-7713  2.0 GHz CPU-s, 1 TByte of memory, 800GB local scratch storage;
• 4 high-memory compute nodes, each with 2x64 core AMD EPYC-7713 2.0 GHz CPU-s, 4 TByte of memory, 800GB local scratch storage;
• 8 Graphics Processing Unit (GPU) nodes, each with 3×Nvidia A100 80GB PCIe, 2x64 core AMD EPYC-7713 2.0 GHz CPU-s, 1 TByte of memory, 800GB local scratch storage;
• 1 Graphics Processing Unit (GPU) node, with 4×Nvidia A100-SXM-80GB PCIe, 2x64 core AMD EPYC-7713 2.0 GHz CPU-s, 2 TByte of memory, 800GB local scratch storage;
• All nodes are connected by a 100 GB/sec Nvidia Mellanox;
• SLURM is used for resource allocation and job scheduling;
• All nodes run Ubuntu Linux 22.04 LTS.

Login, Interactive, and Data Transfer Nodes

A head/login node licca-li-01.rz.uni-augsburg.de (licca001):

• Processor type AMD EPYC-7713;
• Processor base frequency 2.0 GHz CPU-s;
• Cores per node:  2x64;
• Main memory (RAM) per node 1 TByte;
• 8 NUMA domains with 16 physical cores each;
• 800GB local scratch storage.

CPU Nodes

• 41 compute nodes (licca[002-042]);
• Processor type AMD EPYC-7713;
• Processor base frequency 2.0 GHz CPU-s;
• Cores per node:  2x64;
• Main memory (RAM) per node 1 TByte;
• 8 NUMA domains with 16 physical cores each;
• 800GB local scratch storage.

Large RAM Nodes

• 4 high-memory compute nodes (licca[043-046]);
• Processor type AMD EPYC-7713;
• Processor base frequency 2.0 GHz CPU-s;
• Cores per node:  2x64;
• Main memory (RAM) per node 4 TByte;
• 8 NUMA domains with 16 physical cores each;
• 800GB local scratch storage.

GPU Nodes

• 8 Graphics Processing Unit (GPU) nodes (licca[047-054]);
• Processor type AMD EPYC-7713;
• Processor base frequency 2.0 GHz CPU-s;
• Cores per node:  2x64;
• Main memory (RAM) per node 1 TByte;
• 8 NUMA domains with 16 physical cores each;
• 800GB local scratch storage;
• GPU type Nvidia A100 80GB PCIe;
• GPU-s per node: 3;
• Cores 32-47 /dev/nvidia0;
• Cores 112-127 /dev/nvidia1;
• Cores 64-79 /dev/nvidia2.

GPU Nodes with SXM

• 1 Graphics Processing Unit (GPU) nodes (licca055);
• Processor type AMD EPYC-7713;
• Processor base frequency 2.0 GHz CPU-s;
• Cores per node:  2x64;
• Main memory (RAM) per node 2 TByte;
• 8 NUMA domains with 16 physical cores each;
• 800GB local scratch storage;
• GPU type Nvidia A100-SXM-80GB;
• GPU-s per node: 4;
• Cores 48-63 /dev/nvidia0;
• Cores 16-31 /dev/nvidia1;
• Cores 112-127 /dev/nvidia2;
• Cores 80-95 /dev/nvidia3.

GPU Nodes with H100-NVL

• 1 from the Chair of Theoretical Physics III, and 1 from Medicine Informatics and RZ (licca[056-057]);
• 1 Graphics Processing Unit (GPU) nodes;
• Processor type Intel XEON Gold 6526Y;
• Processor base frequency 2.8 GHz CPU-s;
• Cores per node:  2x16;
• Main memory (RAM) per node 512 GByte;
• 4 NUMA domains with 8 physical cores each;
• 800GB local scratch storage;
• GPU type Nvidia H100-NVL-94GB;
• GPU-s per node: 4 (2 × pairs);
• Pair-1 Cores 8-15 /dev/nvidia0;
• Pair-1 Cores 0-7 /dev/nvidia1;
• Pair-2 Cores 24-31 /dev/nvidia2;
• Pair-2 Cores 16-23 /dev/nvidia3.

Interconnect

Mellanox 100 GBit/s Ethernet, ...

I/O Subsystem

• 1 PByte of shared disk space

Queue Partitions

Special Systems