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memory fragmentation

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  • Fragmentation (computing) — In computer storage, fragmentation is a phenomenon in which storage space is used inefficiently, reducing storage capacity and in most cases reducing the performance. The term is also used to denote the wasted space itself. There are three… …   Wikipedia

  • Memory management — is the act of managing computer memory. The essential requirement of memory management is to provide ways to dynamically allocate portions of memory to programs at their request, and freeing it for reuse when no longer needed. This is critical to …   Wikipedia

  • Memory pool — Memory pools, also called fixed size blocks allocation, allow dynamic memory allocation comparable to malloc or C++ s operator new. As those implementations suffer from fragmentation because of variable block sizes, it can be impossible to use… …   Wikipedia

  • Memory segmentation — is the division of computer memory into segments or sections. Segments or sections are also used in object files of compiled programs when they are linked together into a program image, or the image is loaded into memory. In a computer system… …   Wikipedia

  • Fragmentation (computer) — In computer storage, fragmentation is a phenomenon in which storage space is used inefficiently, reducing storage capacity. The term is also used to denote the wasted space itself.There are three different but related forms of fragmentation:… …   Wikipedia

  • Memory management unit — This 68451 MMU could be used with the Motorola 68010 A memory management unit (MMU), sometimes called paged memory management unit (PMMU), is a computer hardware component responsible for handling accesses to memory requested by the CPU. Its… …   Wikipedia

  • Memory leak — A memory leak, in computer science (or leakage, in this context), occurs when a computer program consumes memory but is unable to release it back to the operating system. In object oriented programming, a memory leak happens when an object is… …   Wikipedia

  • Memory safety — Software Testing portal Memory safety is a concern in software development that aims to avoid software bugs that cause security vulnerabilities dealing with random access memory (RAM) access, such as buffer overflows and dangling pointers.… …   Wikipedia

  • Buddy memory allocation — The buddy memory allocation technique is a memory allocation technique that divides memory into partitions to try to satisfy a memory request as suitably as possible. This system makes use of splitting memory into halves to try to give a best fit …   Wikipedia

  • Mac OS memory management — Historically, the Mac OS used a form of memory management that has fallen out of favour in modern systems. Criticism of this approach was one of the key areas addressed by the change to Mac OS X.The original problem for the designers of the… …   Wikipedia

  • C dynamic memory allocation — C Standard Library Data types Character classification Strings Mathematics File input/output Date/time Localization …   Wikipedia

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