[[wg:dynamo:Performance_results|Back to performance benchmark lists]] \\

===== compile options =====

F90OPTFLAGS = -O3 -xhost

===== Notes =====

More than two processes are required \\
Time stepping adjustment routine are implemented \\

===== Definition of columns =====

^  name  ^    ^
|  # of Cores  |  Number of used CPU cores  |
|  # of Processes  |  Number of MPI processes  |
|  # of Threads  |  Number of threads for each process  |
|  $l_{max}$  |  Truncation lavel for spherical harmonincs  |
|  $(N_{r},N_{\theta},N_{\phi})$  |  Nuber of grids in spherical coordinate  |
|  Elapsed  |  Elapsed (wall clock time) for one time step  |
|  Nonlinear  |  Elapsed (wall clock time) for nonlinear terms (including communications)  |
|  Solver  |  Elapsed (wall clock time) for linear calculation  |
|  CFL  |  Elapsed (wall clock time) for CFL condition check  |
|  Efficiency  |  Parallel efficiency  |
|  SUs  |  Service unit for $10^{4}$ time steps (Core hours)  |

===== Two Processes Result =====

^  $l_{max}$  ^  $(N_{r},N_{\theta},N_{\phi})$  ^  Elapsed  ^  Nonlinear  ^  Solver  ^  SUs  ^
|  47  |  ( 72,72,144)  |  1.32979  |  0.510249  |  0.819544  |  46.7169  |

===== Strong Scaling Results =====

^  $l_{max}$  ^  $(N_{r},N_{\theta},N_{\phi})$  ^
|  47  |  (72,72,144)  |

^  # of Cores  ^  # of Processes  ^  # of SMP  ^  Elapsed  ^  Nonlinear  ^  Solver  ^  Efficiency  ^  SUs  ^
|  2  |  1  |  1  |  1.32979  |  0.510249  |  0.819544  |  1  |  46.7169  |
|  4  |  3  |  1  |  0.720192  |  0.2817  |  0.438491  |  0.923222  |  32.7459  |
|  8  |  7  |  1  |  0.375957  |  0.155108  |  0.220847  |  0.884273  |  29.8152  |
|  16  |  15  |  1  |  0.248631  |  0.104707  |  0.143922  |  0.668557  |  35.9047  |
|  25  |  24  |  1  |  0.158468  |  0.0812083  |  0.0772578  |  0.671326  |  35.9047  |

^  $l_{max}$  ^  $(N_{r},N_{\theta},N_{\phi})$  ^
|  63  |  (124,96,192)  |

^  # of Cores  ^  # of Processes  ^  # of SMP  ^  Elapsed  ^  Nonlinear  ^  Solver  ^  Efficiency  ^  SUs  ^
|  4  |  3  |  1  |  4.49747  |  0.942879  |  3.55459  |  1.23093  |  199.888  |
|  8  |  7  |  1  |  2.2319  |  0.59711  |  1.63479  |  1.24022  |  99.1957  |
|  16  |  15  |  1  |  1.38402  |  0.407052  |  0.97697  |  1  |  61.5122  |
|  32  |  31  |  1  |  0.765525  |  0.245143  |  0.52038  |  0.903971  |  68.0467  |
|  64  |  63  |  1  |  0.500593  |  0.152387  |  0.348203  |  0.691192  |  88.9943  |
|  126  |  125  |  1  |  0.300067  |  0.123445  |  0.176621  |  0.585699  |  106.69  |

^  $l_{max}$  ^  $(N_{r},N_{\theta},N_{\phi})$  ^
|  63  |  (128,96,192)  |

^  # of Cores  ^  # of Processes  ^  # of SMP  ^  Elapsed  ^  Nonlinear  ^  Solver  ^  Efficiency  ^  SUs  ^
|  4  |  3  |  1  |  4.33759  |  0.982332  |  3.35526  |  1.40591  |  192.782  |
|  8  |  7  |  1  |  2.38804  |  0.611198  |  1.77684  |  1.27684  |  106.135  |
|  16  |  15  |  1  |  1.52457  |  0.473646  |  1.05092  |  1  |  67.7585  |
|  32  |  31  |  1  |  0.839238  |  0.257673  |  0.581563  |  0.908304  |  74.599  |
|  64  |  63  |  1  |  0.5472  |  0.179547  |  0.367651  |  0.696531  |  97.28  |
|  128  |  127  |  1  |  0.335634  |  0.148279  |  0.187353  |  0.567794  |  119.336  |


{{wg:dynamo:Performance_results:Goddard:mMosFFT_Elapsed.png?480}}\\
Elapsed (wall clock) time for the strong scaling. Ideal scaling is plotted by dotted line. 

{{wg:dynamo:Performance_results:Goddard:mMosFFT_efficiency.png?480}}\\
Parallel Efficiency for the strong scaling.


===== Weak Scaling Results =====

^  # of Cores  ^  # of Processes  ^  # of SMP  ^  $l_{max}$  ^  $(N_{r},N_{\theta},N_{\phi})$  ^  Elapsed  ^  Nonlinear  ^  Solver  ^  SUs  ^
|  3  |  2  |  1  |  15  |  (124,24,48)  |  0.26251  |  0.0325999  |  0.229909  |  11.6671  |
|  9  |  8  |  1  |  31  |  (124,48,96)  |  0.383009  |  0.066082  |  0.316925  |  17.0226  |
|  32  |  31  |  1  |  63  |  (124,96,192)  |  0.765525  |  0.245143  |  0.52038  |  68.0467  |
|  125  |  124  |  1  |  127  |  (124,192,384)  |  1.55669  |  0.793595  |  0.763088  |  553.488  |

{{wg:dynamo:Performance_results:Goddard:mMosFFT_weak_sph.png?480}}\\
Elapsed time for the weak scaling in the horizontal resolution. \\

^  # of Cores  ^  # of Processes  ^  # of SMP  ^  $l_{max}$  ^  $(N_{r},N_{\theta},N_{\phi})$  ^  Elapsed  ^  Nonlinear  ^  Solver  ^  SUs  ^
|  16  |  15  |  1  |  63  |  (30,96,192)  |  0.164901  |  0.117507  |  0.0473918  |  7.32893  |
|  32  |  31  |  1  |  63  |  (62,96,192)  |  0.238942  |  0.138128  |  0.100811  |  21.2393  |
|  64  |  63  |  1  |  63  |  (124,96,192)  |  0.500593  |  0.152387  |  0.348203  |  88.9943  |
|  127  |  126  |  1  |  63  |  (248,96,192)  |  1.19851  |  0.235588  |  0.962918  |  426.137  |

{{wg:dynamo:Performance_results:Goddard:mMosFFT_weak_r.png?480}}\\
Elapsed time for the weak scaling in the radial resolution. Ideal scaling for linear solver after LU decomposition is plotted by dotted line.\\

[[wg:dynamo:Performance_results|Back to performance benchmark lists]] \\
[[wg:dynamo:Performance_results:Goddard:files|files]]