Comp. MPI_Allreduce-nodes and MPI_Reduce-nodes

msg. len.	latency	bandwidth	msg. len	latency	bandwidth
[units]	[$\mu$s]	[1024 units/s]	[units]	[$\mu$s]	[1024 units/s]
Min. msg. length			Max. msg. length
(other params also min.)			(other params also max.)
Collective MPI_Allreduce-nodes
256	657	761.035	256	1943	7205.35
Collective MPI_Reduce-nodes
256	358.2	697.934	256	914.1	1914.45

• Information for suite `Collective MPI_Allreduce-nodes'
  • Pattern: Collective varied over number of nodes.
  • default values: 8 nodes, message length 256 units, max. / act. time for suite disabled/0.00 min.
  • Max. allowed standard error is 3.00 %.

  	number of nodes
  X axis scale	linear
  Param. refinement	no automatic x wide adaption
  Argument range	2 - 8 units (s. below)
  Argument stepwidth	1.000000

  • Units: number, basetype 1 (MPI_INT), send-datatype 20: size 4 Bytes, extent 4 Bytes (user defined basetype 1 (MPI_INT)), receive-datatype 20: size 4 Bytes, extent 4 Bytes (user defined basetype 1 (MPI_INT))

• Information for suite `Collective MPI_Reduce-nodes'
  • Pattern: Collective varied over number of nodes.
  • default values: 8 nodes, message length 256 units, max. / act. time for suite disabled/0.00 min.
  • Max. allowed standard error is 3.00 %.

  	number of nodes
  X axis scale	linear
  Param. refinement	no automatic x wide adaption
  Argument range	2 - 8 units (s. below)
  Argument stepwidth	1.000000

  • Units: number, basetype 1 (MPI_INT), send-datatype 20: size 4 Bytes, extent 4 Bytes (user defined basetype 1 (MPI_INT)), receive-datatype 20: size 4 Bytes, extent 4 Bytes (user defined basetype 1 (MPI_INT))