Data Transfers per Function
Key:
-u [--transfers-per-function]
This chart provides information about data transferred by each MPI function (for all ranks). This information can be useful for identifying functions most used for data transfers.
Example
| Function summary for all ranks |----------------------------------------------------------------------- | Function Volume(MB) Volume(%) Transfers |----------------------------------------------------------------------- Reduce 1385.98 66.6665 65128 Csend 692.997 33.3335 78073 Allreduce 0.000839233 4.03675e-05 132 Gather 0.000335693 1.6147e-05 44 Bcast 0.000312805 1.50461e-05 50 Send 3.8147e-06 1.83489e-07 1 Barrier 0 0 314 |======================================================================= | TOTAL 2078.98 100 143742
Chart Entries
Columns
| |
|---|---|
Rows
| |
Function | Function name
|
Volume(MB) | Amount of data sent and received by the function (in megabytes)
|
Volume(%) | Percentage of amount of data sent and received by the function
|
Transfers | Number of function calls
|
TOTAL | Total values for all columns
|