Application Performance Snapshot User Guide for Linux* OS

ID 772048
Date 12/16/2022
Public

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Data Transfers per Rank

Key:-r [--transfers-per-rank]

This chart shows the amount of data transferred by each MPI rank.

Example

| Data Transfers per Rank
|---------------------------------------------------------
| Rank       Volume(MB)        Volume(%)        Transfers
|---------------------------------------------------------
  0001          22604.9          47.8261          1205911
  0000          22604.9          47.8261          1206193
  0002            12330           26.087           657791
  0003            12330           26.087           657791
  0004          6164.98          13.0435           328919
  0005          6164.98          13.0435           328919
  0006          6164.98          13.0435           328919
  0007          6164.98          13.0435           328919
|=========================================================
| TOTAL         47264.9              100      2.52168e+06
| AVG           11816.2               25           630420

Chart Entries

Columns
Rows
Rank Rank number
Volume(MB) Amount of data sent and received by the rank (in megabytes)
Volume(%) Percentage of amount of data sent and received by the rank
Transfers Number of messages sent and received by the rank
TOTAL Halved sum of all values for the Volume(MB) and Transfers columns (due to each byte being sent and received, it is counted twice), total value for the Volume(%) column
AVG Average values for all columns.