Instruction Set Architecture #3 isA define the processor family a Two main kind: risc and cisc RISC: SPARC, MIPS, PowerPC e CISC: X86 (or called IA32) Another divide: Superscalar, vllw and ePic o Superscalar: all the above O VLIW: Philips TriMEdia superscalar:[计算机]超标量体系结构 ●EPc:|A64 Under same ISA, there are many different processors a From different manufacturers. e X86 from Intel and AMd and via ■ Different models 0.80386 Pentium Pentium 4 Processor– 8 – Processor Instruction Set Architecture #3 ISA define the processor family ◼ Two main kind: RISC and CISC ⚫ RISC:SPARC, MIPS, PowerPC ⚫ CISC:X86 (or called IA32) ◼ Another divide: Superscalar, VLIW and EPIC ⚫ Superscalar: all the above ⚫ VLIW: Philips TriMedia ⚫ EPIC: IA64 Under same ISA, there are many different processors ◼ From different manufacturers: ⚫ X86 from Intel and AMD and VIA ◼ Different models ⚫ 8086, 80386, Pentium, Pentium 4 superscalar:[计算机]超标量体系结构