Informations, recommandations et conseils du service informatique de l'IAS

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====== Composition ======
  * 1 R640
  * 2 R720
  * 2 R720+K20
  * 1 R730+K20
  * 1 R730+K80
  * 2 R720+PHI
  * 1 R730
  * 4 R820

===== R640 =====
^CPU | 2 x Intel(R) Xeon(R) Silver 4116 CPU @ 2.10GHz-> 24 cores |
^Memory | 64Go |

===== R720 =====
^CPU | 2 x Intel(R) Xeon(R) CPU E5-2670 0 @ 2.60GHz -> 16 cores |
^Memory | 256Go |

===== R720 + K20 =====
^CPU | 2 x Intel(R) Xeon(R) CPU E5-2670 0 @ 2.60GHz -> 16 cores |
^Memory | 256Go |
^GPU | 2 x [[http://www.nvidia.com/object/tesla-servers.html|NVidia Tesla K20m]] |

===== R730 + K20 =====
^CPU | 2 x Intel(R) Xeon(R) CPU E5-2670 v3 @ 2.30GHz -> 24 cores |
^Memory | 256Go |
^GPU | 1 x [[http://www.nvidia.com/object/tesla-servers.html|NVidia Tesla K20m]] |

===== R730 + K80 =====
^CPU | 2 x Intel(R) Xeon(R) CPU E5-2630 v4 @ 2.20GHz -> 20 cores |
^Memory | 256Go |
^GPU | 1 x [[http://www.nvidia.com/object/tesla-servers.html|NVidia Tesla K80]] |

===== R720 + PHI =====
^CPU | 2 x Intel(R) Xeon(R) CPU E5-2670 0 @ 2.60GHz -> 16 cores |
^Memory | 256Go |
^Coprocesseurs| 2 x INTEL XEON PHI 5110P |

===== R730 =====
^CPU | 2 x Intel(R) Xeon(R) CPU E5-2699 v3 @ 2.30GHz -> 36 cores |
^Memory | 512Go |

^CPU | 2 x Intel(R) Xeon(R) CPU E5-2650 v4 @ 2.20GHz -> 24 cores |
^Memory | 256Go |

^CPU | 2 x Intel(R) Xeon(R) CPU E5-2630 v4 @ 2.20GHz -> 20 cores |
^Memory | 256Go |

===== R820 =====
^CPU | 4 x Intel(R) Xeon(R) CPU E5-4620 0 @ 2.20GHz -> 32 cores |
^Memory | 512Go |

===== Total =====
Nous avons à disposition :
^ Machine ^ Quantité ^ Cores ^ Total ^ Mémoire par machine (Go) ^ Puissance théorique (hors coprocesseur) |
|R640 | 1 | 24 | 24 | 64 | 24 * 2,10GHz * 16 flops = 806,4 Gflops |
|R720 | 2 | 16 | 32 | 256 | 32 * 2,60GHz * 8 flops = 665,6 Gflops |
|R720 + K20 | 2 | 16 | 32 | 256 | 16 * 2,60GHz * 8 flops = 332,8 Gflops |
|R730 + K20 | 1 | 24 | 24 | 256 | 24 * 2,30GHz * 16 flops = 883,2 Gflops | 
|R730 + K80 | 1 | 20 | 20 | 256 | 20 * 2,20GHz * 16 flops = 704 Gflops | 
|R720 + PHI | 2 | 16 | 32 | 256 | 16 * 2,60GHz * 8 flops = 332,8 Gflops |
|R730 | 3 | 36+24+20 | 80 | 512 + 2*256 | 36 * 2,30GHz * 16 flops = 2 873,6 Gflops | 
|R820 | 4 | 32 | 128 | 512 | 32 * 2,20GHz * 8 flops = 563,2 Gflops |
^ Total ^ 16 ^  ^ 372 ^  4 416  ^ 7 161,6 Gflops |


====== Réseau ======
L'interconnexion se fait en 10Go optique, sur commutateur Dell PowerConnect 8132F.

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