Application Performance Snapshot User Guide for Linux* OS

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ID 772048
Date 11/07/2023
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Document Table of Contents
Document Table of Contents x
Application Performance Snapshot User's Guide for Linux* OS
Application Performance Snapshot User's Guide for Linux* OS x
Introducing Application Performance Snapshot Analyzing Applications Detailed Analyses Metrics Reference Known Issues and Limitations Notices and Disclaimers
Analyzing Applications x
Controlling Amount of Collected Data
Detailed Analyses x
Common Analyses MPI Analyses Outlier Detection
MPI Analyses x
Analysis Charts Filtering Capabilities Region Control with MPI_Pcontrol Creating Configuration File for Intel® Trace Collector
Analysis Charts x
Function Summary for All Ranks MPI Time per Rank Message Sizes Summary for All Ranks Data Transfers per Rank-to-Rank Communication Data Transfers per Rank Data Transfers per Function Example Chart Entries Node-to-Node Data Transfers Communicator List Detailed Information for Specific Ranks
Filtering Capabilities x
Filtering by Key Metric Filtering by Number of Lines Using Filter Combinations
Application Performance Snapshot User's Guide for Linux* OS

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
Parent topic: Analysis Charts
Level Two Title