IntelÃ‚Â® Trace Analyzer User's Reference Guide

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Intel® Trace Analyzer User's Reference Guide Figure 4.37. The three tabs of the Message Profile settings dialog box By checking the box Manual Scaling it is possible to specify the minimum and maximum values for the color scale in the two text input fields below. This is very convenient when comparing two Message Profile Charts that may live in different Views. • Data Tab The Grouping group provides two combo boxes to choose the row and column headers or better said to choose how the data is grouped into categories. The groupings for rows and columns are chosen independently. However not all combinations are possible. It is not possible to have the same grouping for rows and columns and it is not possible to have Sender/Receiver at one axis and any one of Sender or Receiver on the other axis. The available groupings are: • Sender Categorizes the messages by Sender. The exact labels are defined by the current thread group that is given by the View (see Chapter 3, Views). • Receiver Categorizes the messages by Receiver. The exact labels are defined by the current process group that is given by the View (see Chapter 3, Views). • Sender/Receiver Categorizes the messages by Sender/Receiver pairs. The exact labels are defined by the current process group that is given by the View (see Chapter 3, Views). • Tag Categorizes the messages by the MPI tag assigned to the message by the program at the sender side. • Communicator Categorizes the messages by the MPI communicator. The labels are either communicator ids or names. Names are displayed if they are available in the Document number: 318120-002 50
Intel® Trace Analyzer User's Reference Guide trace file and if they are chosen in the Preferences tab of the Message Profile Settings dialog box. • Volume Categorizes the messages by their Volume; for example, size in bytes. This is seen in Figure 4.38, “Grouping Volume by Receiver”, where only messages with a volume of 2000 bytes were sent. • Sending Function Categorizes the messages by the function that sends them. Labels are names of MPI functions such as MPI_Irsend. This categorization is not influenced by the current Function Aggregation. Note This information is only available with traces created by the Intel Trace Collector Version 6 and higher. • Receiving Function Categorize the messages by the function that receives them. Labels are names of MPI functions like MPI_Waitany. This is not influenced by the current Function Aggregation. Note This information is only available with traces created by the Intel Trace Collector 6 and higher. Figure 4.38. Grouping Volume by Receiver The Datum group allows choosing which attribute should be printed or painted in the cells. The available attributes are: • Total Time, [s] or [tick] The total travel time of the messages, accumulated over all messages that fall into this cell. The unit is either [s] or [tick] depending on the View setting. • Minimum Time, [s] or [tick] The minimum travel time of a message, minimized over all messages that fall into this cell. The unit is either [s] or [tick] depending on the View setting. Document number: 318120-002 51
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