分类: - R2000/R3000 MIPS I Intruction set - R4000 MIPS III Intruction set -- MIPS32 4K five-stage pipeline 32bit address and data paths cache 16KB 4KE 4KC 4KF
-- MIPS32 24K Release 2 of the MIPS32 architecture nine-stage pipeline 8-stage pipeline 32bit address paths;64bit data paths to cache programmable cache size,max to 64KB
-- MIPS 34KE - 多线程技术:5个线程 9-stage pipeline
32-bit address paths
64-bit data paths to caches and external interfaceMIPS® MT: Support for up to 2 VPEs and 9 TCsMIPS DSP ASEProgrammable MMU & L1 Cache size -- Superscalar dual issue pipeline with Out-of-Order Instruction dispatch15-stage pipeline32-bit address paths and 64-bit data paths to external interface128-bit data path for instruction cache and 64 or 128-bit data path for data cache4 instruction fetch per cycleCombined Majority Branch Predictor using three 256 entry Branch History Tables (BHT)8-entry return prediction stackCorExtend user defined instruction set extensionsDSP ASE (application-specific extension) Revision 2FPU, MDU, BIU, Programmable MMU & Cache sizes17-stage pipeline,achieve speeds of up to 1 GHz when synthesized in a 65 nm process -- 龙芯2F 看到网站上说是和MIPS74K是同一级别的。这是从网站找到的，没有更详细的了。 和MIPS 74K的对比，龙芯2F的参数： MIPS 74k Godson2F : 频率 1.04G 1G : 工艺 65nm 90nm : 面积 2.5mm 35mm : 流水线 17级 9级 : 调度 乱序 乱序 : 发射宽度 2 4 : IPC 1.8 2左右 : L1 Cache 32k+32k 64k+64k - R5000/R1000 MIPS IV Intruction set -- MIPS64 5K/20K R10000: superscalar;out-of-order R12000/R14000/R16000:base on R1000; higher clock rate R14000: DDR SDRAM R16000: L1 cache- R8000
