PPT-Multi-core processors

2 Processor development till 2004 Outoforder Instruction scheduling 3 Why multicore Difficult to increase clock frequencies even higher heat problems Moores law is at its limits. 2. Processor development till 2004. Out-of-order. Instruction scheduling. 3. Why multi-core ?. Difficult to make single-core. clock frequencies even . higher – heat problems . Deeply pipelined circuits:. mp . mp vs. CPU. Intel family of mp. General purpose mp. Single chip mp. Bit slice mp. Accumulator. In a computer's central processing unit (CPU), an . accumulator. is a . register. in which intermediate arithmetic and logic results are stored. . Yehuda. . Afek. . Tel-Aviv University. Anat. . Bremler. -Barr. David Hay. Yotam. . Harchol. Yaron. . Koral. Joint work with. This work was supported by European Research Council (ERC) Starting Grant no. 259085. 19. Parallelized Benchmark-Driven Performance Evaluation of SMPs and Tiled Multi-Core Architectures for Embedded Systems. Arslan. . Munir. *. , Ann Gordon-Ross. + . , and Sanjay . Ranka. #. Department . Duo-core processors . What is Multiprocessing?. The use of more than one Central Processing Unit (CPU) with a single computer system, to perform tasks.. In multiprocessing most if not all CPUs perform the same function, however some may be reserved for a different function.. Finishing up power issues and how those issues have led us to multi-core processors.. Introduce multi-processor systems.. Stuff upcoming soon. 3/24: HW4 due. 3/26: MS2 due. 3/28: MS2 meetings (sign up posted on 3/24). Basic Multiprocessor. Centralized-memory multiprocessor. Distributed-memory multiprocessor. Invalid Based Cache Coherence Protocol. Processor 1 Processor 2 Processor 3 . Event. 0) No Copy No Copy No copy . Organization and Architecture. Multicore Computers. 1. Outline. Introduction. Motivation for Multi-Core. What is multi-core processor?. Properties of Multi-core systems. Applications benefit from multi-core. . Chongstitvatana. prabhas@chula.ac.th. Twitter @. prabhas_c. Cost of a cellphone. Cost of a cellphone. Cost of cellphones. iphone. 5s 16GB. total cost $191 assembly $8. price . sim. -free (unlock) $649 . Stephen Olsen. VxWorks Product Line Manager. This presentation contains no export restricted information.. VxWorks. Safe & Secure . RTOS Platform. Agenda. Industry Trends. What is ARINC 653?. Multicore issues. . Chongstitvatana. prabhas@chula.ac.th. Twitter @. prabhas_c. Cost of a cellphone. Cost of a cellphone. Cost of cellphones. iphone. 5s 16GB. total cost $191 assembly $8. price . sim. -free (unlock) $649 . . Chongstitvatana. prabhas@chula.ac.th. Twitter @. prabhas_c. Cost of a cellphone. Cost of a cellphone. Cost of cellphones. iphone. 5s 16GB. total cost $191 assembly $8. price . sim. -free (unlock) $649 . Jaeung Han¹, Jeongseob Ahn¹, . Changdae. Kim. ¹, Youngjin Kwon¹, . Young-. ri. Choi², and Jaehyuk Huh¹. ¹ KAIST. (Korea Advanced Institute of Science and Technology). ² KISTI. (Korea Institute of Science and Technology Information). Out-of-order. Instruction scheduling. 3. Why multi-core ?. Difficult to make single-core. clock frequencies even . higher – heat problems . Deeply pipelined circuits:. heat . problems, needs special cooling arrangements.