MIPS CPU 简单分类

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 interface

MIPS® MT: Support for up to 2 VPEs and 9 TCs

MIPS DSP ASE

Programmable MMU & L1 Cache size

   --   
        

Superscalar dual issue pipeline with Out-of-Order Instruction dispatch

15-stage pipeline

32-bit address paths and 64-bit data paths to external interface

128-bit data path for instruction cache and 64 or 128-bit data path for data cache

4 instruction fetch per cycle

Combined Majority Branch Predictor using three 256 entry Branch History Tables (BHT)

8-entry return prediction stack

CorExtend user defined instruction set extensions

DSP ASE (application-specific extension) Revision 2

FPU, MDU, BIU, Programmable MMU & Cache sizes

17-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

first superscalar MIPS design

- Cavium cnMIPS

MIPS64 version 2.0: dual-issue,5+ stage pipeline,superscalar

Cavium specific instruction addditions

cavium-specific in-core coprocessor 2 security accelerator (CRC,HASH,3DES,AES)

cavium-specific interger multiply unit

------------------------------------------------
用过的几家：
Brecis MSP2xxx/MSP4000/MSP5000 	-- 4Km
Atheros AR231x  -- 4K
	AR7100	--- 24K
        AR91xx  --- 34K

Broadcom  6348   --- 256M MIPS32 4Kc-compliant core
	  6358   --- 300M VIPER MIPS modules
	  470x   --- MIPS32
	  5352e   ---
          5354   --- MIPS32
          4716/4717/4718   -- MIPS32 74K, 11n SoC, 533Mhz
          5355/5356   -- MIPS32 74K, 11n SoC include switch, 333Mhz 

TI  	1050/1060	--- MIPS32 4KEc 

Marvell  88E6318  --- MIPS 5Kf,64bit 

Realtek	   8651		--- LX4180
	   8650B/8651B	--- Lexra 5280   R3000

Infineon Danube
           dual mips24k core(one with DSP ASE);

Ralink 
           RT2880   --- MIPS4KEc
           RT3050/RT3052  --- MIPS24KEc

2009.6.11 updated.