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cluster:94 [2011/01/24 16:22]
hmeij created
cluster:94 [2011/01/25 11:39] (current)
hmeij
Line 2: Line 2:
 **[[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.
 +
 +====== Swallowtail ======
 +
 +
 +^  Amber  ^  What  ^  Host  ^  N  ^  JAC  ^  Factor_IX ​ ^
 +|  9+openmpi-1.2+intel-9 ​ |  Sander.MPI ​ |  C-00  |  02  |  2m42s  |  4m54s  |
 +|  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  |
 +
 +^  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 ====== ====== 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/94.1295904122.txt.gz · Last modified: 2011/01/24 16:22 by hmeij