Comp. MPI_Alltoall-length and MPI_Alltoallv-length

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_Alltoall-length
0	186.6	0	256	46256.7	1.32824e+06
Collective MPI_Alltoallv-length
0	397.8	0	256	46142	1.33154e+06

• Information for suite `Collective MPI_Alltoall-length'
  • Pattern: Collective varied over message length.
  • default values: 16 nodes, max. / act. time for suite disabled/0.08 min.
  • Max. allowed standard error is 3.00 %.

  	message length
  X axis scale	logarithmic
  Param. refinement	automatic x wide adaption
  Argument range	1 - 262144 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_Alltoallv-length'
  • Pattern: Collective varied over message length.
  • default values: 16 nodes, max. / act. time for suite disabled/0.15 min.
  • Max. allowed standard error is 3.00 %.

  	message length
  X axis scale	logarithmic
  Param. refinement	automatic x wide adaption
  Argument range	1 - 262144 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))