I7 processor
- 2. 1978-81 1984 8086/8088 80286 1987-88 80386 DX/SX 1990-92 80486 SX/DX 1993-95 Pentium 1997 Pentium MMX 1 2 3 4 5 5+
- 3. Itanium dual core 1995 Pentium Pro 1997 Pentium II 20011999 Pentium III 2001 Pentium 4 1997 Mobile Pentium 6 6+ 7+ 87
- 4. 2006-9 Itanium Core duo i3 2010 i5 2012 i7 2013 9 10 11 12
- 5. i3,i5,i7…. No. of cores- 2 – i3 No. of cores- 4 – i5. No. of cores- 4 – i7
- 6. Internal snap of i7
- 7. Features of i7 Micro processor Quad Core Processor — Supports 4 core on single die — 3 level (L1,L2,L3)cache — 8 dedicated threads for multitasking and multithreaded operation Integrated memory controller — Supports DDR3( Double data RAM) — DDR3 used for storage at high speed — Allows I/O bus to run 4 times faster Execute Disable Bit — Provides enhanced virus protection — Execute Disable Bit allows memory to be marked as executable or non executable — it raises an error to OS if code is run in non executable memory
- 8. Features of i7 Micro processor Hyper threading technology — one physical processor seems like two logical processor — improves performance in multitasking — execution unit ,caches, buses are shared —logical processor has data reg, segment reg, control reg, debug reg — i7 processor can process 2 thread simultaneously — it appears to OS as 8 CPUs Turbo Boost Technology — allows processor to run faster than base operating frequency — power of passives cores are provided to the active cores — it can increase frequency of all 4 cores till they can handle current payload — it does not require any hardware support — It can enable/disable by OS and BIOS
- 9. Features of i7 Micro processor Enhanced speed step technology — running processor at high clock speeds for better performance — If operating on low frequency, less heat generated then less power consumption Intel Quick Path Interconnect(QPI) — used to link processor and system components — provide higher memory performance and flexibility — replaces front side bus — QPI high speed data transfer up to 25.6 Gbps —Concurrent bi-directional traffic Virtualization technology — one hardware platform to function a multiple virtual platform Trusted Execution technology —hardware based mechanism to help protect against s/w based attacks —It helps to protect the confidentiality and integrity of data —by enabling trusted environment application can run in their own space
- 10. Features of i7 Micro processor Smart cache and cache memory — 3 level (L1,L2,L3)cache — level 1 L1 cache 32 KB each (instruction and data) — level 2 L2 cache 256 KB ( combined instruction and data) — level 3 L3 cache 8 MB ( used for communication for different cores of processor) Inclusive shared 8 MB L3 cache L2 cache 256 kb L1 cache 32 kb Core 1 L2 cache 256 kb L1 cache 32 kb Core 2 L2 cache 256 kb L1 cache 32 kb Core 3 L2 cache 256 kb L1 cache 32 kb Core 0
- 11. Block Diagram of i7 Micro processor Architecture of one core of i7 processor Inclusive shared 8 MB L3 cache L2 cache 256 kb L1 cache 32 kb Core 1 L2 cache 256 kb L1 cache 32 kb Core 2 L2 cache 256 kb L1 cache 32 kb Core 3 L2 cache 256 kb L1 cache 32 kb Core 0 Quick path Interconnect interface (QPI), Integrated Memory Controller Execution Engine L2 cache 256 kb Execution Engine Execution Engine Execution Engine
- 13. Registers f i7 Micro processor 16 GPRS 64 bit wide 6 segment reg 16 bit wide Rflag reg 64 bit wide RIP reg 64 bit 8 MMX reg 64 bit wide 16 XMM registers 128 bit wide MXCSR reg 32 bit wide 8 FPU data reg 80 bit wide 1 control reg 16 bit wide 1 status reg 16 bit wide 1 tag reg 16 bit wide 11 bit opcode reg 64 bit FPU data pointer reg 64 bit FPU instruction pointer reg