8. OCR A Level (H046-H446) SLR2 - 1.1 Multi-core & parallel systems

OCR Specification Reference AS Level 1.1.2b A Level 1.1.2c Modern computers have many ways of increasing their power, two involve using multiple cores and making use of parallel systems, in this video we discuss both approaches. Key question: How does having multiple cores affect the speed of processing? 00:00 Multi-core & parallel systems 00:05 Intro 00:10 What do we mean by a multi-core system? 01:12 Chip Multiprocessors (CMPs) 01:45 Multiple cores 02:10 Cache and inter-core communication 02:23 Limitations of multicore 02:54 What is parallel processing? 03:24 How can parallel processing be achieved? 04:18 Limitations of parallel processing 04:42 Key question 04:54 Going beyond the specification 05:05 Amdahl's law 05:47 Parallel processing vs concurrent processing 06:21 Outro For full support and additional material please visit our web site http://craigndave.org Why do we disable comments? We want to ensure these videos are always appropriate to use in the classroom. However, we value your feedback, and are happy to consider amendments due to inaccuracies. Please get in touch with us directly at: [email protected]