MPI_Allreduce-length-SM

• Pattern: synchronous measured collective varied over message length.
• default values: 2 nodes, max. / act. time for suite disabled/0.04 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))

• Latency at msg. length 0 bytes: 2.6 $\mu$s
• Bandwidth at msg. length 0 bytes: 0 bytes/s
• Latency at msg. length 2730.66 kbytes: 36120.1 $\mu$s
• Bandwidth at msg. length 2730.66 kbytes: 151199 kbytes/s