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

===== Compile options =====

F90OPTFLAGS = -O3 -xhost

===== 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  |
|  Comm.  |  Elapsed (wall clock time) for data communication  |
|  Efficiency  |  Parallel efficiency  |
|  SUs  |  Service unit for $10^{4}$ time steps (Core hours)  |

===== Single Processor Result =====

^  $l_{max}$  ^  $(N_{r},N_{\theta},N_{\phi})$  ^  Elapsed  ^  Nonlinear  ^  Solver  ^  Comm.  ^  SU  ^
|  47  |  ( 73,72,144)  |  1.604797  |  1.56274  |  0.042059  |  0.508469  |  71.3243  |

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

^  $l_{max}$  ^  $(N_{r},N_{\theta},N_{\phi})$  ^
|  47  |  (48,72,144)  |

^  # of Cores  ^  # of Processes  ^  # of SMP  ^  Elapsed  ^  Nonlinear  ^  Solver  ^  Comm.  ^  Efficiency  ^  SUs  ^
|  1  |  1  |  1  |  1.04900  |  0.880913  |  0.168083  |  0.360225  |  1.0  |  2.91389  |
|  2  |  2  |  1  |  0.538092  |  0.453756  |  0.0843343  |  0.194296  |  0.97474  |  2.9894  |
|  4  |  4  |  1  |  0.274424  |  0.23125  |  0.0431727  |  0.0996035  |  0.955636  |  3.04916  |
|  8  |  8  |  1  |  0.145301  |  0.122894  |  0.0224057  |  0.0558862  |  0.902437  |  3.22891  |
|  16  |  16  |  1  |  0.095041  |  0.0821946  |  0.0128446  |  0.0449899  |  0.689833  |  4.22404  |

^  $l_{max}$  ^  $(N_{r},N_{\theta},N_{\phi})$  ^
|  127  |  (256,192,384)  |

^  # of Cores  ^  # of Processes  ^  # of SMP  ^  Elapsed  ^  Nonlinear  ^  Solver  ^  Comm.  ^  Efficiency  ^  SUs  ^
|  4  |  4  |  1  |  17.9454  |  16.918  |  1.02739  |  6.01468  |  1.45157  |  1749.79  |
|  8  |  8  |  1  |  9.98835  |  9.45138  |  0.536971  |  3.40571  |  1.30397  |  1749.79  |
|  16  |  16  |  1  |  6.51225  |  6.2059  |  0.00297473  |  2.40569  |  1.0  |  1749.79  |
|  32  |  32  |  1  |  3.30412  |  3.15372  |  0.00297473  |  1.23981  |  0.985473  |  1749.79  |
|  64  |  64  |  1  |  1.71612  |  1.64141  |  0.00297473  |  0.6747  |  0.948685  |  1749.79  |
|  128  |  128  |  1  |  0.91125  |  0.870656  |  0.00297473  |  0.383074  |  0.893313  |  1749.79  |


^  $l_{max}$  ^  $(N_{r},N_{\theta},N_{\phi})$  ^
|  255  |  (513,384,768)  |

^  # of Cores  ^  # of Processes  ^  # of SMP  ^  Elapsed  ^  Nonlinear  ^  Solver  ^  Comm.  ^  Efficiency  ^  SUs  ^
|  128  |  128  |  1  |  10.4146  |  10.0946  |  0.320031  |  4.01002  |  1.0  |  3702.97  |
|  256  |  256  |  1  |  5.4918  |  5.33942  |  0.152376  |  2.2764  |  0.948195  |  3905.28  |



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

{{wg:dynamo:Performance_results:ETH:ETH_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  ^  Comm.  ^  SUs  ^
|  4  |  4  |  1  |  31  |  (256,48,96)  |  0.367794  |  0.302528  |  0.0652638  |  0.13866  |  4.0866  |
|  16  |  4  |  1  |  63  |  (256,96,192)  |  0.829839  |  0.757857  |  0.0719786  |  0.333987  |  36.8817  |
|  64  |  16  |  1  |  127  |  (256,192,384)  |  1.71612  |  1.64141  |  0.0747133  |  0.674700  |  305.089  |
|  256  |  64  |  1  |  255  |  (256,384,768)  |  2.74791  |  2.67373  |  0.0741758  |  1.13636  |  1954.07  |

{{wg:dynamo:Performance_results:ETH:eth_weak_sph.png?480}}\\
Elapsed time for the weak scaling in the horizontal resolution. An ideal scaling for Legendre transform is plotted by dotted line.
\\

^  # of Cores  ^  # of Processes  ^  # of SMP  ^  $l_{max}$  ^  $(N_{r},N_{\theta},N_{\phi})$  ^  Elapsed  ^  Nonlinear  ^  Solver  ^  Comm.  ^  SUs  ^
|  32  |  32  |  1  |  255  |  (64,384,768)  |  5.15760  |  4.98965  |  0.167950  |  1.90546  |  458.454  |
|  64  |  64  |  1  |  255  |  (128,384,768)  |  5.15654  |  4.99703  |  0.159511  |  1.92557  |  916.718  |
|  128  |  128  |  1  |  255  |  (256,384,768)  |  5.30425  |  5.14686  |  0.157383  |  2.07861  |  1885.96  |
|  256  |  256  |  1  |  255  |  (512,384,768)  |  5.49180  |  5.33942  |  0.152376  |  2.2764  |  3905.28  |

{{wg:dynamo:Performance_results:ETH:eth_weak_r.png?480}}\\
Elapsed time for the weak scaling in the radial resolution. An ideal scaling is a constant elapsed time.\\

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

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