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Visualizing Array Data The View Window menu commands are as follows: File > Close Closes the View Window. File > Dataset Raises the Dataset Window to the front of the desktop. If you minimized the Dataset Window, the Visualizer restores it. File > Delete Deletes the View Window dataset from the dataset list. This also destroys other View Windows that view the dataset. File > Options Pops up a window of viewing options. Window > Duplicate Base Window Creates a new View Window that has the same visualization method and dataset as the current View Window. The drawing area displays the image of your data. You can interact with the drawing area to alter the view of your data. For example, if the Visualizer is showing a surface, you can rotate the surface to view it from different angles. You can also get the value and indices of the dataset element nearest the cursor by clicking on it and typing “P”. A pop-up window displays the information. These operations are discussed in “Using the Graph Window” on page 186 and “Using the Surface Window” on page 187. Using the Graph Window The Graph Window displays a two-dimensional graph of one- or twodimensional datasets. If the dataset is two-dimensional, the Visualizer displays multiple graphs. When you first create a Graph Window on a twodimensional dataset, the Visualizer uses the dimension with the larger number of elements for the X axis. It then draws a separate graph for each subarray that has the smaller number of elements. If you don’t like this choice, you can transpose the data by selecting a checkbox within the File > Options Dialog Box. You probably don’t want to use a graph to visualize two-dimensional datasets with large extents in both dimensions as the display can be very cluttered. If you try, the Visualizer only shows the first ten. You can display graphs with points for each element of the dataset, with lines connecting dataset elements, or with both lines and points. (See Figure 130 on page 187.) If the Visualizer is displaying more than one graph, each is displayed in a different color. The X axis of the graph is annotated with the indices of the long dimension. The Y axis shows you the data value. Displaying Graph Views The File > Options Dialog Box lets you control how the Visualizer displays the graph. (A different dialog box appears if the Visualizer is displaying a surface view. See Figure 131 on page 187.) 186 Chapter 9: Visualizing Programs and Data
Figure 130: Visualizer Graph View Window Figure 131: Graph Options Dialog Box The following describes the meanings of these check boxes: Visualizing Array Data Lines When set, the Visualizer displays lines connecting dataset elements. Points When set, the Visualizer displays points (markers) for dataset elements. Transpose When set, the Visualizer inverts which axis is held constant when the Visualizer generates a graph of a two-dimensional graph. If you are not graphing a twodimensional object, the Visualizer grays out this checkbox. Figure 132 on page 188 shows a sine wave displayed in three different ways: To see the value of a dataset’s element, place your cursor near a graph marker, and type “P”. The Visualizer responds by displays its value. The bottom graph in Figure 132 on page 188 shows the value of a data point. Using the Surface Window The Surface Window displays two-dimensional datasets as a surface in two or three dimensions. The dataset’s array indices map to the first two dimensions (X and Y axes) of the display. Figure 133 on page 188 shows a surface view TotalView Users Guide: version 8.7 187
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TotalView Users Guide version 8.7
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Book Overview part I - Introduction
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Contents About This Book TotalView
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Setting Preferences, Options, and X
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Installation Notes ................
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Starting Processes and Threads ....
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Displaying Allocated Arrays........
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Using Built-In Statements .........
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Figures Chapter 1: Getting Started
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Figure 76. File > Preferences: Bulk
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Chapter 13: Using Groups, Processes
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About This Book This book describes
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How to Use This Book The informatio
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Conventions and what you should cli
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Contacting Us Contacting Us Please
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Part I: Introduction This part of t
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Getting Started Figure 1: The Proce
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Getting Started Figure 3: Setting C
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Getting Started Figure 5: Diving on
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Debugging Multi-process and Multi-t
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Using Groups and Barriers Figure 10
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Introducing the CLI Introducing the
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A Couple of Processes Figure 14: A
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Threads Figure 18: Threads Threads
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Types of Threads Figure 20: Four Pr
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Organizing Chaos Figure 23: User, S
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Organizing Chaos Figure 25: Five Pr
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Creating Groups Figure 27: Step 1:
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Creating Groups Figure 30: Step 5:
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Simplifying What You’re Debugging
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Simplifying What You’re Debugging
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c h a p t e r Getting Started with
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Figure 36: Remote Display Client Se
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Figure 38: Asking for Password Usin
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Using Remote Display You can, of co
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Figure 42: Local Data in a Stack Fr
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Figure 43: Access By Options Remote
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Figure 44: Remote Host Information
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Figure 47: Saving a Profile Figure
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c h a p t e r Setting Up a Debuggin
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Starting TotalView customer_compili
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Starting TotalView If you type an e
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Starting TotalView Before Version 6
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Figure 53: Start a New Process Load
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Figure 55: Open a Core File Start a
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Figure 57: Thread > Continuation Si
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Figure 59: Setting Command-Line Opt
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Figure 61: Root Window Showing Proc
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Handling Signals Thread > Continuat
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Setting Search Paths Make your chan
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Figure 65: Select Directory Dialog
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Figure 66: File > Preferences Dialo
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Setting Preferences Dynamic Librari
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Setting Preferences Pointer Dive Th
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Setting Preferences Similarly, docu
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c h a p t e r 5 Setting Up Remote D
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Figure 75: File > Preferences: Laun
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Figure 76: File > Preferences: Bulk
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Figure 77: Manual Launching of Debu
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Starting the TotalView Server Manua
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Disabling Autolaunch Setting Bulk S
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Figure 78: Launching tvdsvr Disabli
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Figure 80: Debugging Session Over a
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c h a p t e r 6 Setting Up MPI Debu
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Figure 82: File > New Program Dialo
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Debugging MPICH Applications The MP
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Debugging MPICH Applications 4 Afte
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Starting MPI Issues Starting TotalV
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Figure 86: Tools > Message Queue Gr
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Displaying the Message Queue play i
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Figure 90: Message Queue Window Sho
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Debugging HP MPI Applications This
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Debugging IBM MPI Parallel Environm
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Debugging IBM MPI Parallel Environm
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Debugging LAM/MPI Applications the
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Debugging SiCortex MPI Applications
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Debugging Sun MPI Applications mapp
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Figure 91: Group > Attach Subset Di
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Debugging Parallel Applications Tip
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Debugging Parallel Applications Tip
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c h a p t e r 7 Setting Up Parallel
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Debugging OpenMP Applications � T
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Page 181 and 182: Debugging Global Arrays Application
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Page 195 and 196: Part III: Using the GUI The two cha
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Page 211 and 212: c h a p t e r 9 Visualizing Program
Page 213 and 214: Command Summary Visualizing Array D
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Page 233 and 234: Using the CLI Interface Starting th
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Page 237 and 238: About CLI Output About CLI Output A
Page 239 and 240: Using Namespaces Using Namespaces C
Page 241 and 242: How Parallelism Affects Behavior Ho
Page 243 and 244: Controlling Program Execution Typic
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Page 249 and 250: Writing an Array Variable to a File
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Manipulating Processes and Threads
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Figure 155: Stepping Illustrated Us
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Executing to a Selected Line If the
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Killing (Deleting) Programs 3 Conti
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Figure 158: Tools > Debugger Loaded
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Figure 160: File > Preferences: Dyn
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Setting the Program Counter some co
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c h a p t e r Using Groups, Process
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Stepping (Part I) � Set breakpoin
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Understanding Thread Width Stepping
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Understanding Process/Thread Sets S
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Specifying Arenas Setting Process a
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Figure 163: Width Specifiers Settin
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Setting Group Focus � Lockstep Gr
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Specifier Specifies Setting Group F
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‘All’ Does Not Always Mean ‘A
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The following are some additional e
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Setting Group Focus Although the lo
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Naming Lists with Inconsistent Widt
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Using P/T Set Operators Using P/T S
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Figure 164: Group > Custom Groups D
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c h a p t e r Examining and Changin
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Figure 167: List and Vector Transfo
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Figure 169: A Tooltip Displaying Va
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Displaying Variables since the vari
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Figure 173: Variable Window Showing
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Displaying Variables Scoping Issues
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Figure 177: Program Browser and Var
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Figure 179: Diving on Local Variabl
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Figure 181: View > Examine Format >
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Figure 184: Variable Window with Ma
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Figure 185: Undive/Redive Buttons F
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Figure 188: Displaying C Structures
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Figure 190: The Tools > Expression
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Figure 193: Expression List Window
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Figure 197: Using Functions in the
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Viewing a List of Variables (or sel
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Figure 199: Using an Expression to
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Figure 200: Three Casts Changing a
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Changing a Variable’s Data Type W
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Changing a Variable’s Data Type T
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Figure 202: Displaying wchar_t Data
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Changing the Address of Variables D
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Figure 204: Displaying C++ Classes
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Figure 205: Diving on a Common Bloc
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Figure 207: Fortran 90 User- Define
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Displaying Thread Objects that has
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Figure 210: Variable Window: Showin
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c h a p t e r Examining Arrays 15 T
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Examining and Analyzing Arrays This
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Figure 213: An Array Slice and an A
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Figure 214: Array Data Filtering by
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Figure 216: Array Data Filtering by
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Figure 218: Array Statistics Window
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Figure 219: Viewing Across Threads
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Visualizing Array Data Visualizing
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c h a p t e r 16 Setting Action Poi
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Figure 222: Action Point Tab Settin
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Figure 224: Setting Breakpoints on
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Figure 227: Ambiguous Function Dial
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Figure 229: Action Point > At Locat
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Figure 232: PC Arrow Over a Stop Ic
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Setting Breakpoints and Barriers at
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Setting Breakpoints and Barriers Ab
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Setting Breakpoints and Barriers Wh
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Defining Eval Points and Conditiona
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Defining Eval Points and Conditiona
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Figure 236: Stopped Execution of Co
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Using Watchpoints Platform Assemble
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Using Watchpoints Computer Constrai
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Watching Memory Using Watchpoints A
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The following is an expression that
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c h a p t e r Evaluating Expression
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Why is There an Expression System?
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Figure 240: Expression List Window:
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Using Programming Language Elements
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Using the Evaluate Window Using the
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Figure 244: Evaluating Information
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Using the Evaluate Window Pseudo Op
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Using Built-in Variables and Statem
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Glossary ACTION POINT: A debugger f
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off the function reference to an ev
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DOPE VECTOR: This is a run time des
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INITIALIZATION FILE: An optional fi
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PARCEL: The number of bytes require
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threads. There are two kinds of ser
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SYMBOL NAME: The name associated wi
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Index Symbols # scope separator cha
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array structure viewing limitations
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context 138 description 140 empty c
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Tools > Watchpoint 10, 378 totalvie
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into a stack frame 174 into a struc
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-file command-line option to Visual
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see alsoshared libraries limitation
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expressions 275 set of arenas 259 s
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PVM groups, unrelated to process gr
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stride elements 334 UPC 158 upper b
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threads model 18 threads tab 230 th
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View > Compilation Scope commands 2
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