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Garbage Collection: Algorithms for Automatic

Garbage Collection: Algorithms for Automatic Dynamic Memory Management by Rafael D Lins, Richard Jones

Garbage Collection: Algorithms for Automatic Dynamic Memory Management



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Garbage Collection: Algorithms for Automatic Dynamic Memory Management Rafael D Lins, Richard Jones ebook
Format: pdf
ISBN: 0471941484, 9780471941484
Publisher: Wiley
Page: 203


Garbage Collection: Algorithms for Automatic Dynamic Memory Management (John Wiley & Sons, 1997) is a comprehensive survey of garbage collection algorithms, with an extensive bibliography. If any of this was hard to understand (especially for lack of diagrams), I strongly recommend reading Garbage Collection: Algorithms for Automatic Dynamic Memory Management by Richard Jones and Rafael Lins. Like a lot of programming terms, this is a simple concept which has an odd name. Unlike JAVA garbage collection mechanism where the memory for allocated object is automatically reclaimed by system when it goes out of scope, in iPhone framework developer need to take care of releasing the memory for the object. LISP in 1959 started a new technique called Automatic Memory Management known by the more popular term Garbage Collection (GC). JavaScript is a garbage collected language, which means developers generally don't have to worry about memory management, unlike lower level programming languages. Garbage collection deals with the automatic management of dynamic memory. When zombies are enabled, a deallocated object's class is dynamically changed to be _NSZombie, and by default, the memory region is never marked as free, although this can be controlled separately. CLR provides features such as automatic memory management (GC), exception handing, security, type safety, JIT (Just in time compiler for converting msil to native code) and more. Memory allocated dynamically had to be managed carefully because if allocated memory is not de-allocated after it's use is over, it becomes garbage and un-available (called memory leak) and slowly runs out of space.

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