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A High-Performance Memory Allocator for Computer Systems Essay example

Assignment id 1016338
Discipline Arts Entertainment
Assignment type Essay
Words 1645
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In today's CMOS VLSI technology which makes it possible to unite a very powerful processor onto a single processor. NUMA (Non uniform Memory Access time) multiprocessor designs were of growing significance since they were involved in encouraging shared memory to a enormous scale. For these systems, the positioning and motion of code as well as data are critical to performance. This requires to deal with data placement issues and this has been called the "NUMA Problem." Presenting the programmer with an explicit NUMA memory version caused a substantial type of extra programming burden. The choice is to get your own operating system (OS) to successfully manage placement through the policies and mechanisms of the virtual memory subsystem. In such a method, the task of this OS-level memory control applications is to ascertain and discover out when to mention memory remotely, and if to move or copy a page to a framework in the local memory of the processor. Back in 1993, system reliability analysis became significant as well as complicated. Although component-level evaluation was well known, system level models were difficult to develop. The behavior of the system under actual workloads has been extremely difficult to predict and model. But, it is not easy to predict the effects of a memory-component failure on the computer system. This depends on behavioral aspects like the contents of this memory, the use of the memory, and also the operating system retrieval techniques.The memory-access behavior of applications to ascertain the probability of an error resulting in a collapse was studied [1]. It was found that the access behavior might account for a significant number of unobserved faults. It indicated that traditional memory-reliability analysis could be fairly pessimistic in respect to fiel...

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