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Simultaneous multithreading (SMT) or as Intel calls it 'Hyperthreading' has been introduced back in 2002 with Intel's Xeon and Pentium 4 processors. Many of today's Intel-based systems on both Windows and Mac OS X utilize Hyperthreading to increase performance by a more efficient usage of CPU resources. In the distributed and cloud computing context of an OS, templating refers to creating a single virtual machine image as a guest operating system, then saving it as a tool for multiple running virtual machines. The technique is used both in virtualization and cloud computing management, and is common in large server warehouses. On the client computer, choose Apple menu System Preferences, then click Sharing. If you see a lock icon, click it and enter the name and password of a user with administrator privileges on the computer. Select or deselect the Remote Management checkbox. Disable remote management using the command line.

This document is a Mac OS X manual page. Manual pages are a command-line technologyfor providing documentation. You can view these manual pages locally using theman(1) command.These manual pages come from many different sources, and thus, have a variety of writingstyles.

For more information about the manual page format, see the manual page for manpages(5).

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Overview

Now that multicore processors are coming to mobile devices, wouldn't it be great to take advantage of all those cores without having to manage threads? This concise book shows you how to use Apple's Grand Central Dispatch (GCD) to simplify programming on multicore iOS devices and Mac OS X.

Managing your application’s resources on more than one core isn't easy, but it's vital. Apps that use only one core in a multicore environment will slow to a crawl. If you know how to program with Cocoa or Cocoa Touch, this guide will get you started with GCD right away, with many examples to help you write high-performing multithreaded apps.

Seamultaneous Mac Os Sierra

Seamultaneous Mac Os Download

  • Package your code as block objects and invoke them with GCD
  • Understand dispatch queues—the pools of threads managed by GCD
  • Use different methods for executing UI and non-UI tasks
  • Create a group of tasks that GCD can run all at once
  • Instruct GCD to execute tasks only once or after a delay
  • Discover how to construct your own dispatch queues