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Point-to-point pattern
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MPI_Send-MPI_Iprobe_Recv
Pattern: point-to-point varied over message length.
default values: 2 nodes, max. / act. time for suite disabled/0.02 min.
Max. allowed standard error is 3.00 %.
message length
X axis scale
logarithmic
Param. refinement
automatic x wide adaption
Argument range
1 - 8388608 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: 23.5
s
Bandwidth at msg. length 0 bytes: 0 bytes/s
Latency at msg. length 8192 kbytes: 35884.4
s
Bandwidth at msg. length 8192 kbytes: 456577 kbytes/s
Per Ekman 2005-02-16