Comp. MPI_Reduce and MPI_Scan

msg. len.	latency	bandwidth	msg. len	latency	bandwidth
[units]	[$\mu$s]	[units/s]	[1024 units]	[$\mu$s]	[1024 units/s]
Min. msg. length			Max. msg. length
Collective MPI_Reduce-length
0	220	0	2730.66	908442	21041.1
Collective MPI_Scan-length
0	282.6	0	2730.66	1.38258e+06	13825.3

• Information for suite `Collective MPI_Reduce-length'
  • Pattern: Collective varied over message length.
  • default values: 8 nodes, max. / act. time for suite disabled/0.41 min.
  • Max. allowed standard error is 3.00 %.

  	message length
  X axis scale	logarithmic
  Param. refinement	automatic x wide adaption
  Argument range	1 - 2796192 units (s. below)
  Argument stepwidth	1.414214

  • Units: bytes in type: 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_Scan-length'
  • Pattern: Collective varied over message length.
  • default values: 8 nodes, max. / act. time for suite disabled/0.86 min.
  • Max. allowed standard error is 3.00 %.

  	message length
  X axis scale	logarithmic
  Param. refinement	automatic x wide adaption
  Argument range	1 - 2796192 units (s. below)
  Argument stepwidth	1.414214

  • Units: bytes in type: 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))