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Memory pool information


Memory pools, also called fixed-size blocks allocation, is the use of pools for memory management that allows dynamic memory allocation. Dynamic memory allocation can, and has been achieved through the use of techniques such as malloc and C++'s operator new; although established and reliable implementations, these suffer from fragmentation because of variable block sizes, it is not recommendable to use them in a real time system due to performance. A more efficient solution is preallocating a number of memory blocks with the same size called the memory pool. The application can allocate, access, and free blocks represented by handles at run time.

Many real-time operating systems use memory pools, such as the Transaction Processing Facility.

Some systems, like the web server Nginx, use the term memory pool to refer to a group of variable-size allocations which can be later deallocated all at once. This is also known as a region; see region-based memory management.

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Memory pool

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efficient solution is preallocating a number of memory blocks with the same size called the memory pool. The application can allocate, access, and free...

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Memory management

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locating a block of unused memory of sufficient size. Memory requests are satisfied by allocating portions from a large pool of memory called the heap or free...

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Pool

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by the database Memory pool, a dynamic memory allocation method Memory Pool System, a memory management system by Harlequin Object pool pattern, a pattern...

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Memory virtualization

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those resources into a virtualized memory pool available to any computer in the cluster.[citation needed] The memory pool is accessed by the operating system...

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Memory ballooning

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pool of memory (the "balloon"), which makes that memory unavailable to other processes on that VM. The balloon driver doesn't use the pool of memory;...

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Shift register

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cases, several parallel shift registers would be used to build a larger memory pool known as a "bit array". Data was stored into the array and read back...

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Xbox 360 technical specifications

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processing is handled by the ATI Xenos, which has 10 MB of eDRAM. Its main memory pool is 512 MB in size. Xbox 360 took a different approach to hardware compared...

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Wii U

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unavailable to games. The memory architecture allows the CPU and GPU to access both the main DDR3 memory pool and the eDRAM cache memory pool on the GPU, removing...

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Virtual memory compression

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first instance, the freed RAM is returned to the available physical memory pool, while the compressed portion is kept in RAM. In the second instance...

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Buddy memory allocation

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The buddy memory allocation technique is a memory allocation algorithm that divides memory into partitions to try to satisfy a memory request as suitably...

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In Memory Of

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album) In Memory Of ... (ballet), a ballet by the New York City Ballet "In Memory Of..." (song), a 2012 sing by Drowning Pool "Harry Patch (In Memory Of)"...

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Linked list

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(although it's still an amortized constant). Using a general memory pool leaves more memory for other data if the list is smaller than expected or if many...

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Free list

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as a pointer to the next. It is most suitable for allocating from a memory pool, where all objects have the same size. Free lists make the allocation...

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Xbox 360

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processing is handled by the ATI Xenos, which has 10 MB of eDRAM. Its main memory pool is 512 MB in size. Originally, the Xbox 360 was equipped with only 256 MB...

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Virtualization

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architectures Memory Memory virtualization: aggregating random-access memory (RAM) resources from networked systems into a single memory pool Virtual memory: giving...

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Zswap

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swapped out, zswap performs their compression and then stores them into a memory pool dynamically allocated in the system RAM. Later writeback to the actual...

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Collective memory

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Collective memory refers to the shared pool of memories, knowledge and information of a social group that is significantly associated with the group's...

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Drowning Pool

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Drowning Pool is an American rock band formed in Dallas, Texas, in 1996. The band was named after the 1975 film The Drowning Pool. Since its formation...

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Direct3D

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pool will be stored in system memory, and will be sent to the device when required. Resources in system memory pool will only exist in system memory....

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Flash memory

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Flash memory is an electronic non-volatile computer memory storage medium that can be electrically erased and reprogrammed. The two main types of flash...

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Object pool pattern

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manual memory management of pool objects. Object pools employ one of three strategies to handle a request when there are no spare objects in the pool. Fail...

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Runtime system

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languages that supported dynamic memory allocation, the runtime system also included a library that managed the program's memory pool. In the object-oriented programming...

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