Compiler: Cray clang version 11.0.4
MPI package: cray-mpich/8.1.4
| Cluster | ARCHER2 |
|---|---|
| Nodes | 5,860 nodes: 5,276 standard memory, 584 high memory |
| Processor | 2× AMD EPYCTM 7742, 2.25 GHz, 64-core |
| Cores per node | 128 (2× 64-core processors) |
| NUMA structure | 8 NUMA regions per node (16 cores per NUMA region) |
| Memory per node | 256 GiB (standard memory), 512 GiB (high memory) |
| Memory per core | 2 GiB (standard memory), 4 GiB (high memory) |
| Interconnect | HPE Cray Slingshot, 2× 100 Gbps bi-directional per node |
# Compile
make
# Run
sbatch submit_archer2.srunIf you want to profile the program, the change the following settings in the makefile:
LFLAGS=-lm -L /work/z19/shared/extrae/lib -lmpitrace -lxml2
CFLAGS=-O3 -DINSTRUMENTED=1Then
# Compile
make
# Run
sbatch submit_archer2_profile.srunNote that the generated profiling results may be very large, so you might want to change the timestamp to a smaller number and keep the number of bodies not too large.
You can add attributes to the configuration file to configure the number of asteroids in the two asteroid belts, for example:
NUM_ASTEROIDS_IN_BELT=0
NUM_ASTEROIDS_IN_KUIPER=0A concrete example can be the file 'config_solar_with_moons.txt'
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