Annual Challenge

Environement

CPU(s): 64 On-line CPU(s) list: 0-63 Thread(s) per core: 1 Core(s) per socket: 32 Socket(s): 2 NUMA node(s): 2 Vendor ID: GenuineIntel CPU family: 6 Model: 106 Model name: Intel(R) Xeon(R) Platinum 8358 CPU @ 2.60GHz Stepping: 6 Frequency boost: enabled

Result collection

Compile: mpicc serial.c -lm -march=icelake-server -O3 -fopenmp Serial: 9.069154 Toggle: 7.444072

10K

Should converge on the 3578th iteration.

• Serial: 1241.080101

• MPI-8 : 173.817748 +OpenMP: 152.902791

  • computation: 0.046360 communication: 0.000089

• MPI-16: 100.195788 +OpenMP: 77.925535

  • computation: 0.026209 communication: 0.000104

• MPI-32: 66.373975 +OpenMP: 58.763544

  • computation: 0.017150 communication: 0.000124

• MPI-48: 57.670676 +OpenMP: 56.740736

  • computation: 0.014831 communication: 0.000161