Intel® Quartus® Prime Pro Edition User Guide: Scripting

ID 683432
Date 12/13/2021

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Document Table of Contents report_register_spread (::quartus::sta)

The following table displays information for the report_register_spread Tcl command:

Tcl Package and Version

Belongs to ::quartus::sta

Syntax report_register_spread [-h | -help] [-long_help] [-append] [-file <name> ] [-from_clock <names> ] [-num_registers <number> ] [-panel_name <name> ] [-sink_type <endpoint|immediate> ] [-spread_type <tension|span|count> ] [-stdout]
Arguments -h | -help Short help
-long_help Long help with examples and possible return values
-append If output is sent to a file, this option appends the result to that file. Otherwise, the file will be overwritten. This option is not supported for HTML files.
-file <name> Sends the results to an ASCII or HTML file. Depending on the extension
-from_clock <names> Valid source clocks (string patterns are matched using Tcl string matching)
-num_registers <number> Specifies the top N registers with highest spread
-panel_name <name> Sends the results to the panel and specifies the name of the new panel
-sink_type <endpoint|immediate> Determines which sink type [endpoint|immediate] is analyzed
-spread_type <tension|span|count> Determines which spread type is analyzed [tension|span|count]
-stdout Send output to stdout, via messages. You only need to use this option if you have selected another output format, such as a file, and would also like to receive messages.

This report analyzes the final placement of a design and strive to identify registers with sinks that are pulling them in various directions. These registers are then recommended as candidates for duplication There are two types of sink: "Immediate Fan-Out" and "Timing Path Endpoint". There are two types of pull: "Tension" and "Span" The report can be directed to the Tcl console ("-stdout", default), a file ("-file"), the Timing Analyzer graphical user interf