MATLAB POLYSPACE 7 Guida di Installazione Scaricare il pdf (Pagina 481)

Profiling fo r Improving Performance

Using Profiling as a Debugging Tool

The Profiler is a useful tool for isolating problems in your M -f il es.

For example, if a particular section of the file did not run, you can look at the

detail reports to see what lines d id run, which might point y ou to the p roblem.

You c an also view the lines that did not run to help you develop test cases

that exercise that code.

If you get an error in the M-file when profiling, the Profiler provides partial

results in the reports. You can see what ran and w hat did not to help you

isolate the problem. Similarly, you can do this if you stop the execution using

Ctrl+C, which might be useful when a file is taking much more time to run

than expected.

UsingProfilingforUnderstandinganM-File

For lengthy M-files that you did not create or that you have not used for

awhile and are unfamiliar w ith, you can use the P rofiler to see how the M-file

actually worke d. Use th e Profil er detail repo r ts to see the lines actually called.

If there is an existing GUI tool (or M-file) similar to one that you want to

create, start profiling, use the tool, then stop profiling. L oo k th rou g h th e

Profiler detail reports to see what functions and lines ran. This helps you

determine the lines of code in the file that are most like the code you want

to create.

Using the Profiler

Use the Profiler to help you determ ine where you can modify y our code to

make performance improvements. The Profiler is a tool that shows you where

an M-file is spending its time. T his section covers

• “Opening the Profiler” on page 7-30

• “R unning the P rofiler” on page 7-30

• “Profiling a G raphical User Interface” on page 7-32

• “Profiling Statements from the Command Window” on page 7-33

• “C hanging Fonts for the Profiler” on page 7-33

7-29

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Anthem A2 Uživatelský manuál (10 strany)

Značka: Anthem | Kategorie: Receivers and Amplifiers | Velikost: 0.31 MB |

Angličtina

Tabulka s obsahem

STATEMENT A2/A5

1

SAFETY PRECAUTIONS

2

IMPORTANT SAFETY INSTRUCTIONS

2

1. INTRODUCTION

5

2. CONNECTIONS AND OPERATION

6

SPECIFICATIONS

8

LIMITED WARRANTY

9

3 / 2 4 / 0 9

10

O M - 9 7 0

10

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