Application Performance Snapshot User's Guide for Linux* OS
Key: -x [--transfers_per_communication]
This charts provides information about each rank-to-rank communication. This information can be useful for detecting imbalance in network usage.
| Data Transfers per Rank-to-Rank Communication |------------------------------------------------------------------ | Rank <-> Rank Volume(MB) Volume(%) Transfers |------------------------------------------------------------------ 0000 <-> 0001 16440 34.7826 877039 0001 <-> 0002 6164.98 13.0435 328872 0002 <-> 0003 6164.98 13.0435 328872 0000 <-> 0003 3082.49 6.52174 164483 0000 <-> 0007 3082.49 6.52174 164483 0003 <-> 0004 3082.49 6.52174 164436 0004 <-> 0005 3082.49 6.52174 164436 0005 <-> 0006 3082.49 6.52174 164436 0006 <-> 0007 3082.49 6.52174 164436 | [skipped 4 lines] |================================================================== | TOTAL 47264.9 100 2521681 | AVG 1688.03 3.57143 90060
Columns |
|
---|---|
Rank <-> Rank |
Numbers of communicating ranks |
Volume(MB) |
Amount of data transferred in the communication (in megabytes) |
Volume(%) |
Percentage of amount of data transferred in the communication |
Transfers |
Number of messages in the communication |
Rows |
|
TOTAL |
Total values for all columns |
AVG |
Average values for all columns. The values are calculated as follows: AVG = TOTAL / [(N*N + N)/2], where N is the number of ranks |