CoolMUC-2

Hardware

Number of nodes

812

Cores per node

28

Hyperthreads per core

2

Core nominal frequency

2.6 GHz

Memory (DDR4) per node

64 GB (Bandwidth 120 GB/s - STREAM)

Bandwidth to interconnect per node

13,64 GB/s (1 Link)

Bisection bandwidth of interconnect (per island)

3.5 TB/s

Latency of interconnect

2.3 µs

Peak performance of system

1400 TFlop/s

Infrastructure

Electric power of fully loaded system

290 kVA

Percentage of waste heat to warm water

97%

Inlet temperature range for water cooling

30 … 50 °C

Temperature difference between outlet and inlet

4 … 6 °C

Software (OS and development environment)

Operating system

SLES15 SP1 Linux

MPI

Intel MPI 2019, alternatively OpenMPI

Compilers

Intel icc, icpc, ifort 2019

Performance libraries

MKL, TBB, IPP

Tools for performance and correctness analysis

Intel Cluster Tools