Memory and Thread Placement Optimization Developer's Guide


The Memory and Thread Placement Optimization Developer's Guide provides information on locality groups and the technologies that are available to optimize the use of computing resources in the Oracle Solaris operating system.

Who Should Use This Book

This book is intended for use by system administrators, performance engineers, systems programmers, and support engineers, and developers who are writing applications in an environment with multiple CPUs and a non-uniform memory architecture. The programming interfaces and tools that are described in this book give the developer control over the system's behavior and resource allocation.

Related Third-Party Web Site References

Third-party URLs are referenced in this document and provide additional, related information.

Note –

Sun is not responsible for the availability of third-party web sites mentioned in this document. Sun does not endorse and is not responsible or liable for any content, advertising, products, or other materials that are available on or through such sites or resources. Sun will not be responsible or liable for any actual or alleged damage or loss caused or alleged to be caused by or in connection with use of or reliance on any such content, goods, or services that are available on or through such sites or resources.

Documentation, Support, and Training

See the following web sites for additional resources:

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Typographic Conventions

The following table describes the typographic conventions that are used in this book.

Table P–1 Typographic Conventions





The names of commands, files, and directories, and onscreen computer output 

Edit your .login file.

Use ls -a to list all files.

machine_name% you have mail.


What you type, contrasted with onscreen computer output 

machine_name% su



Placeholder: replace with a real name or value 

The command to remove a file is rm filename.


Book titles, new terms, and terms to be emphasized 

Read Chapter 6 in the User's Guide.

A cache is a copy that is stored locally.

Do not save the file.

Note: Some emphasized items appear bold online.

Shell Prompts in Command Examples

The following table shows the default UNIX system prompt and superuser prompt for shells that are included in the Oracle Solaris OS. Note that the default system prompt that is displayed in command examples varies, depending on the Oracle Solaris release.

Table P–2 Shell Prompts



Bash shell, Korn shell, and Bourne shell 


Bash shell, Korn shell, and Bourne shell for superuser 


C shell 


C shell for superuser