Each possibly merged collective operation has a header entry which describes the collective operation as a whole. Use the plus button to get a detailed list of the same information per Process/Group. The exact processes or process groups shown depend on the current process aggregation.
This dialog box contains the following entries:
Entry:
|
Description:
|
|---|---|
Name/Process |
On the per-operation row this column lists the name of the selected operation ( Mixed if different operation types were merged). On per-process rows it shows the name of the Process/Group.
|
Duration |
Last Time minus First Time
|
First Time |
First time, one of the merged operations was entered.
|
Last Time |
Last time, one of the merged operations was left.
|
Volume Sent |
Number of bytes sent. It is the sum of all bytes sent on all merged operations for the per-process rows. The per-operation row sums up all per-process rows.
|
Volume Received |
Number of bytes received. It is the sum of all bytes received on all merged operations for the per-process rows. The per-operation row sums up all per-process rows.
|
Count |
Number of collective operations that are merged into the selection.
|
Root |
The root process.
|
Communicator Name |
The name of the MPI communicator on which the collective operation(s) was (were) executed.
|
Communicator ID |
The plain ID of the MPI communicator on which the collective operation(s) was (were) executed.
|