Components Of Multi Core Architecture - 1280 Words

Multi-core architecture 1. Introduction: It s a new trend in Computer Architecture in which, multiple processor cores are replicated in one single integrated circuit die. These cores fit in single processor socket called Chip Multi-Processor (CMP), runs in parallel enhancing the overall speed of a program in execution time. Each core has it s own time-sliced threads executing CPU instructions just like in uniprocessor. 2. Multi-core Processors and Operating Systems: Most major Operating Systems support multi-core processors. Operating System perceives each core as separate processor. The operating system scheduler maps it s threads and processes to different cores. 3. Advantages And Disadvantages: Shifting towards more parallelism is a trend now in Computer Architecture. Many applications are being multi-threaded. For example, each opened tab in the browser runs in different threads. Games are becoming increasingly multi-threaded. File compression programs are multi- threaded. Video encoders are multi-threaded as well. Most image processing programs are multi-threaded. So, converting to multi-core processors was a must. It increases the speed, enhance the performance and makes the clock frequency much higher. But, here we have to differentiate between two things. Using multi-core processors with multi-threaded applications, and using it in single-threaded applications. Using multi-core processors with multi-threaded applications haveShow MoreRelatedBuilding An Exascale Scale System1571 Words   |  7 PagesEven though Exascale computing is providing very good opportunities in the field of science, like in the understanding of the behavior of the fundamental components of nature. In order to build an Exascale scale system we have to overcome some of the critical challenge like architecture, software, algorithm and data challenges. 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