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rumsfeld · Member 3 Joined: 29 Oct 2011 Posts: 572

Remember two points:
There’s no promise that the loops will run in parallel. However, if you have a multicore processor, you’ll most likely get parallel running.
Second, when they do start running in parallel, there’s no guarantee which ones will start first, and which will finish first.
Follow Jeff Cogswell article:
http://goparallel.sourceforge.net/tracking-parallel-loops-in-cilk-plus/

Tracking Parallel Loops in Cilk Plus Tracking Parallel Loops in Cilk Plus

Tracking Parallel Loops in Cilk Plus Tracking Parallel Loops in Cilk Plus

Jeff Cogswell is a Geeknet contributing editor, and is the author of several tech books including C++ All-In-One Desk Reference For Dummies, C++ Cookbook, and Designing Highly Useable Software.
A software engineer for over 20 years, Jeff has written extensively on many different development topics.
An expert in C++ and JavaScript, he has experience starting from low-level C development on Linux, up through modern web development in JavaScript and jQuery, PHP, and ASP.NET MVC.