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I3 multicore processor
The document provides information about the Intel i3 processor. It begins with a brief introduction of processors in general, then discusses some key features of the i3 processor, including that it is a dual core chip that is faster than the previous Core2Duo. It describes technologies like multi-core processing, Hyper-Threading, virtualization support, and caches that improve processor performance. Finally, it mentions security features like Execute Disable Bit that help prevent buffer overflow attacks.
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I3 multicore processor
- 1. AMOL T. BAREWAR. M.Tech ( 1st sem). ID no.=120151
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- 3. Introduction of aprocessor Before discussing about i3 processor, let a small introduction of processor. A processor is the logic circuitry that responds to and processes the basic instructions that drive a computer. The term processor has generally replaced the term central processing unit (CPU). The processor in a personal computer or embedded in small devices is often called a microprocessor. 3
- 4. Brief introduction abouti3 processor The only question I have is if there's any advantage to using a Core i3 over a Core2Duo. The Core i3 is a 3.2 GHz dual core chip, and it's quite a big improvement over the Core2Duo. It's a good 700 MHz faster, much faster bus with significantly faster RAM. The first Core i3 processors were launched on January 7, 2010. 4
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- 6. Multi-core CPU chip Thecores fit on a single processor socket .Also called CMP (Chip Multi-Processor Task level and Tread level parallelism. 6
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- 8. Some features ofi3 Intel® Hyper-Threading Technology (Intel® HT Technology). Intel® Virtualization Technology (Intel® VT). Intel® Smart Cache. Intel Smart Memory Access. Execute Disable Bit. 8
- 9. Intel Hyper-Threading Technology Singlecore can run multiple thread. Simultaneous multi threading. Increase throughput and efficiency. Turbo Bust Technology. Thermal Design Power(TDP) 9
- 10. L1 D-Cache D-TLB L2Cache and Control Integer Floating Point Schedulers Uop queues Rename/Alloc BTB Trace Cache uCode ROM Decoder This scenario is impossible with SMT Bus BTB and I-TLB on a single core Thread 1 Thread 2 (assuming a single IMPOSSIBLE integer unit)10
- 11. L1 D-Cache D-TLB L1 D-Cache D-TLB Integer Floating Point Integer Floating Point L2 Cache and Control L2 Cache and Control Schedulers Schedulers Uop queues Uop queues Rename/Alloc Rename/Alloc BTB Trace Cache uCode BTB Trace Cache uCode ROM ROM Decoder Decoder Bus Bus BTB and I-TLB BTB and I-TLB Thread 1 Thread 3 Thread 2 11 Thread 4
- 12. Speeding up thetransfer of platform control between the guest operating systems (OSs) and the virtual machine manager (VMM)/hypervisor. Enabling the VMM to uniquely assign I/O devices to guest OSs Optimizing the network for virtualization with adapter-based acceleration 12
- 13. Server Virtualization Intel® VT Flex Priority Intel® VT Flex Migration Desktop Virtualization Types of Hypervisor Type 1: oracle VM server for SPARC Type2:VMWare workstation , Virtual Box Its also provide help to run 32bit O.S. on 64 bit 13
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- 15. Smart Cache isa level 2 or level 3 cache method for multiple execution cores invented by Intel. It shares the cache among cores It decrease the cache miss rate. It provide peak transfer rate of 96GB/sec . 15
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- 17. Improve the performance. Itaim to locate data as close as possible to reduce memory latency time. It also include Memory disambiguation. 17
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- 19. Malicious buffer overflowattacks pose a significant security threat to businesses. These attacks cost businesses precious productivity time, which can equal significant financial loss. It allows the processor to classify where application code can execut and where it cannot in the memory. When a malicious worm attempts to insert code in the buffer, the processor disables code execution. 19
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