Detailed Attributes of Collective Operation Events
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:
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Description:
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|---|---|
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.
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Duration |
Last Time minus First Time
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First Time |
First time, one of the merged operations was entered.
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Last Time |
Last time, one of the merged operations was left.
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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.
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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.
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Count |
Number of collective operations that are merged into the selection.
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Root |
The root process.
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Communicator Name |
The name of the MPI communicator on which the collective operation(s) was (were) executed.
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Communicator ID |
The plain ID of the MPI communicator on which the collective operation(s) was (were) executed.
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