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cluster:94 [2011/01/24 21:23]
hmeij 		cluster:94 [2011/01/25 16:39] (current)
hmeij
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 **[[cluster:0|Back]]** **[[cluster:0|Back]]**
  
-|{{:cluster:greentail.jpg|}}| +  * JAC and Factor_IX are two sample programs included with Amber (one memory intensive, one IO intensive, forgot what is what).
-|  greentail  |+
  
 +  * "1g6r" is a program from Surjit Dixit that should scale really well in his opinion.
  
-====== Greentail ======+====== Swallowtail ======
  
  
Line 13: Line 13:
 |  9+openmpi-1.2+intel-9  |  Sander.MPI  |  C-00  |  04  |  1m27s  |  2m33s  | |  9+openmpi-1.2+intel-9  |  Sander.MPI  |  C-00  |  04  |  1m27s  |  2m33s  |
 |  9+openmpi-1.2+intel-9  |  Sander.MPI  |  C-00  |  08  |  1m00s  |  1m57s  | |  9+openmpi-1.2+intel-9  |  Sander.MPI  |  C-00  |  08  |  1m00s  |  1m57s  |
 +
 +^  Amber  ^  What  ^  Host  ^  N  ^  1g6r  ^
 +|  9+openmpi-1.2+intel-9  |  pmemd  |  C-00  |  02  |  2m55s  |
 +|  9+openmpi-1.2+intel-9  |  pmemd  |  C-00  |  04  |  1m32s  |
 +|  9+openmpi-1.2+intel-9  |  pmemd  |  C-00  |  08  |  1m03s  |
 +
 +====== Greentail ======
 +
 +Above some old benchmark runs against swallowtail's infiniband switch.
 +
 +Below new benchmarks with IPoIB. "ptile" is the number of jobs slots to allocate per node, so with 16 requested and ptile=1 sixteen individual hosts will be selected and //all// MPI traffic between hosts will go via the Voltaire infiniband switch.
 +
 +^  Amber  ^  What  ^  Host  ^  N  ^  JAC  ^  Factor_IX  ^ ptile= ^
 +|  9+openmpi-1.2+intel-9  |  Sander.MPI  |  n1  |  02  |  2m36s  |  4m14s  |    |
 +|  9+openmpi-1.2+intel-9  |  Sander.MPI  |  n1  |  04  |  1m23s  |  2m14s  |    |
 +|  9+openmpi-1.2+intel-9  |  Sander.MPI  |  n1  |  08  |  0m47s  |  1m20s  |    |
 +|  9+openmpi-1.2+intel-9  |  Sander.MPI  |    |  16  |  1m04s  |  2m17s  |  8  |
 +|  9+openmpi-1.2+intel-9  |  Sander.MPI  |    |  16  |  0m42s  |  2m07s  |  1  |
 +
 +^  Amber  ^  What  ^  Host  ^  N  ^  1g6r  ^ ptile= ^
 +|  9+openmpi-1.2+intel-9  |  pmemd  |  n1  |  02  |  2m40s  |    |
 +|  9+openmpi-1.2+intel-9  |  pmemd  |  n1  |  04  |  1m23s  |    |
 +|  9+openmpi-1.2+intel-9  |  pmemd  |  n1  |  08  |  0m47s  |    |
 +|  9+openmpi-1.2+intel-9  |  pmemd  |    |  16  |  0m43s  |  8  |
 +|  9+openmpi-1.2+intel-9  |  pmemd  |    |  16  |  0m39s  |  1  |
 +
 +
 +
 +
 +
 +**[[cluster:0|Back]]**
cluster/94.1295904234.txt.gz · Last modified: 2011/01/24 21:23 by hmeij

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