第 3 章 奔腾系列微处理器
DESCRIPTION
第 3 章 奔腾系列微处理器. 第 3 章 奔腾系列微处理器. 3.1 Pentium 性能和结构特点 3.2 Pentium 的寄存器 3.3 Pentium 的虚拟存储器 3.4 Pentium 的超标量流水线 3.5 Pentium 的引脚信号 3.6 Pentium Pro ~Itanium 的技术概况. 教学目的和教学要求. 掌握 Pentium 微处理器的原理结构、基本寄存器组中各寄存器的组成和功能、 Pentium 工作的实模式、保护模式以及虚拟 8086 模式 掌握 Pentium 微处理器的超标量流水线技术 - PowerPoint PPT PresentationTRANSCRIPT
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3
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3 3.1 Pentium3.2 Pentium3.3 Pentium3.4 Pentium3.5 Pentium3.6 Pentium Pro ~Itanium
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PentiumPentium8086 Pentium Pentium Pentium ProItanium
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Pentium8086 Pentium Pentium Pentium Pentium
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3.1 Pentium 3.1.1 Pentium1 19933IntelPentium Pentium Pentium0.8mBiCMOS310+5V15W60MHz66MHz
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3.1.1 Pentium2 19943PentiumP54C0.6mCMOS3.3V4W50MHz60MHz66MHzPentiumP54C3-1PentiumP54C
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3-1 Pentium
MHz MHz Pentium90 601.5903.3V2.9V Pentium100 601.51003.3V Pentium120 6021203.3VPentium133 6021333.3VPentium150 602.51503.3VPentium166 662.51663.3VPentium200 6632003.3V
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3.1.1 Pentium3 Pentium64CPU32PentiumPentiumP54C3264D63-D0866MHz66MHzPentium528MB/S
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3.1.2 Pentium(1)Pentium CPUUVCacheCacheFPUBTBROMPentium3-1
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Pentium CPU
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3.1.2 Pentium2 Pentium CPUCPU6432CPU
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3.1.2 Pentium31.CacheCache Pentium28KB CacheCacheCacheCPUCacheUV64CacheCacheCPU6432
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3.1.2 Pentium4 CacheCacheUVUV
Pentium CPUCache
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3.1.2 Pentium5 2. PentiumUVPentium CPU80486Pentium
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3.1.2 Pentium6 UV5PFD1D2EXWB1
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3.1.2 Pentium7 3. Pentium CPU804863-180880IEEE75480
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3.1.2 Pentium8 PentiumADDMUL8048610
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3.1.2 Pentium94.BTB Pentiumbranch target buffer
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3-1100 MOV SI0200H SI MOV DI0500H DI MOV CX64H 100CXABCMOV AL[SI] MOV [DI]AL INC SI 1 INC DI 1 DEC CX CX=CX-1 JNZ ABC CX0ABC
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100%
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3.2 Pentium
Pentium
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PentiumPentium3-28086 CPU81688816AXBXCXDXSIDIBPSP32EAXEBXECXEDXESIEDIEBPESP816323.2 .1
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Pentium
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3-3Pentium61664616CSSSDSESFSGS
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Pentium
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86CPUCPUCPU3-41. 6
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3-4
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2616 3-516b1b0RPL0-3
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Pentium CPU32EIP32EFLAGS3-6
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EIPEIP16IPEFLAGS8086 16FLAGS16FLAGS b11~b08086 CPU63NTIOPL166
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3.2.2
Pentium44GDTRIDTRLDTRTR45CR0CR1CR2CR3CR40
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4 43-7 1GDTRGlobal Descriptor Table Register48321664KB2IDTRInterrupt Descriptor Table Register4832IDT321664KB
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3-7 4
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(3)LDTRLocal Descriptor Table Register16646432LDT2012 (4)TR1664322012
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5
1CR0
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2CR2 32CR232 3CR3 201044B12PCDPWT10
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3-9 CR2CR3
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4CR4 32CR4923
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5 Pentium
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3.2.3 Pentium: 8 1 1 1 1
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1. 8 R7-R08080115642. 168283-11b1b0R0b3b2R1b15b14R7CPU
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3-11 Pentium
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16FPU1IEIE12DEDE13ZEZE=104PEPE=15SPIE=1SF=1C1=1C1=0
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6ESES=1CPU7C0C34SAHFFSTSW4FPUC0SF8TOP9BFPUB=1
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FPU1PMIM6666IMIEDMDE22PC2PC0024105311640132RC
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3-13 FPU
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3.3 Pentium3.3.1 Pentium PentiumVivtual StorageCache
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Pentium86 Pentium36CR4PAEPAE=03232A31-A38BE7BE04GBPentium CPU64CPU32Pentium32
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3.3.2 Pentium Protected Virtual Address Mode80386 CPUPentium CPUMMUSUPUPentium
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1GDTRLDTRGDTLDT 483216GDT64KBPentiumGDTGDTR32133GDT8
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CSDSESFSGS643-7LDTLDT
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TSSGDTGDT
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LDTLDTR6432LDT133LDT83-143-4
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3-14 LDTRLDT
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LDTR13GDTGDTLDTLDTLDTRLDT3-15
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3-15 GDTRGDT
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LDT32323232GDT32LDT
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2 Pentium32Pentium32
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3-2 MOV AL [1888 7777H] MOV AX [EBX] MOV EAX[ESI] MOV ECX[EBX+EDI] MOV DX [EBP] SSDSDS32SS3232
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Pentium3-16b2TILDTTI=1GDTTI=0LDT133LDT8B323232
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TI=0GDT
3-74832IDTPentiumCPUIDTIDT2568
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3-16
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CPUPU323232SU32101012 CR4PSEPentiumPU80386/804864KBPSE=04MBPSE=1
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14KB 4KB4KB10244KB10243243-17
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3-17
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P P=1/P=0PWT CachePWT=1CachePWT=0cachePCDCache PCD=1CPUCache
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A A=10A
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D DD11DD=1D=0D
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PSPage SizePS=14MBPS=04KB U/S/ R/W/ U/SR/W3210
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Pentium 4KB3-1832101012
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3-18 Pentium 4KB
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3-3 3C445566HCR3=11223000H 100011 1100 01B420011 1100 0100B=3C4H 1122 3000H+3C4H =1122 33C4H
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3-4 2012345H3C44 5566H 12345000H+566H=12345566H
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CPUCR3 4KB10241020201201024204KB
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10242020120102410244B4KB
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101012210210212B=4GB
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32124KB202201M220212B=4GB4B4MB
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24MB 3221022101024324KBPentium80386/80486CR34MB3-19
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4MB10232CR3104KB2010222202232
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3-19 Pentium 4MB
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13-161632214214+32=64TBSU323232
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2 PentiumPUSU4KB4MB32324KB4MB32232=4GBWindows NTWindows 95
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324KB64TBUNIX System VOS/23.
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3-20
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1TI=164KBLDTR32+138232+32=321010123CR3324KB3-18
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3.3.3 Pentium 8088/8086 CPU161616161620CPU20A19-A0201MBMS-DOSPentium CPUWindowsDOS16
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80861642016201MB2020
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3-5 8086FFFFHFFFFHPA=FFFFH16+FFFFH=10FFEFH1PA=0FFEFH
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3-6 32DS=1002HFS=2000HBX=3000HMOV AXDS[BX]MOV EAXFS[BX] 1002H00003000H 2000H00003000H
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1632 MOV AXDS[EBX] MOV ECXFS[ESI]
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3280386/80486/Pentium3-21321MBMS-DOSWindows 3.XCPU32
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DSFS32160321664K
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3-21
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3.3.4 Pentium8086808686V86321632EFLAGSb17=0VM=0VM=1V86
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V86863-22V864GB80861MB
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CPU0V863CR0PG1b31=1
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863-233-5320010FFEFH110b31~b2210010V8611024
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102b21b2008256FFFFH16+FFFFH=10FFEFHb201b20=1b19~b0000H~00FH1616256+16=272102486272
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3-22 86
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V861MB808664KB
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V861024V862012324GB
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V864KB4KB1MB1MB4GB80861MB4GB8086
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3-23 86
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3.3.5 3-24CPUCR0b01PE1PEIRETDV86V86V86
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3-24
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3.3.6 Pentium 80386/80486/Pentium
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0OS0
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Pentium3-250PLPL=3 Pentium2
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3-25 Pentium
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1CPLCurrent PLCPLCSb1b0b1b02DPLDiscriptor PLDPLDPLb6b53RPLRequested PLb1b0
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3-7PentiumDSESFSGSSSMOVLDSLESPentiumCPLRPLDPLDPLCPLRPL DPLMAXCPLRPL 3-1
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2CPL0123RPL31233-13-3
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3-3 CPLRPLDPL
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3.4 Pentium Pentium5CPUCISC
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Pentium3-1UVUVUV
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3.4.1 Pentium 32CPUCache BTB ROM
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UVPentiumCacheTLB 8KBCacheUV3264
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32ALUADD EAXEBX832EAXEBXECXEDXEBPESIEDIESP
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3.4.2 UVUVUV5UV3UV3-26PFCache
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1D1i1i2
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2D2
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EXALUWB
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3-26 UV
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D14 RAWWARWAW i1
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3-8 MOV AX BX MOV ECXESI 1NC AX ADD EBXEDI
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3-9RAW i1 ADD AXBX i2 MOV CXAX i2i1AXAXAXi2AX
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3-10WAR i1 MOV [EBX]AX i2 MOV AXBX i1AXAXi2BXAXWAR
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3-12 i1 MUL AXBX i2 ADD AXCX i2i1i2AXWAW
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PentiumUV UVUVPentiumUV3-27
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3.27
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i5i6i2i5i647i3i5i6Ui5EX9i6EX10i6i5i6Ui5VU
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3.5 Pentium Pentium103-28I/O
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3-28 Pentium
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1A20M*A202A1A31293ADS* 4AP5APCHK*
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1D63D0642BE7*BE0*83DP7DP04PCHK*5PEN*
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1CACHE*Cache2EADS*3HIT*CacheCache4 HITM*CacheCache51NVCache1NV CacheCache
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6PCDCache7PWTCPUCachePWT=1CachePWT=0Cache8FLUSH*Cache9KEN*Cache10WB/WT*CPUCache11AHOLD/
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1D/C*/2M/IO*/I/O3W/R*/CPU
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4LOCK*Pentium CPU5SCYS6NA*7BRDY*
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1INTR2NMR3RESET4CLK5INIT
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1BUSCHK* 2IERR* 3FERR*4FRCMC*CPU5IGNNE*
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1HOLD2HLDACPU
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3BREQCPU4BOFF*CPUCPU
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1SMI*CPU2SMLACT*CPU
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1PM1PM0BP3BP0PM1PM0BP3BP0DR3DR02BT3BT03IUUU
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4IVVV5IBT 6R/S*CPU 7PRDYR/S*CPU
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1TCK 2TDI 3TDO 4TMS5TRST*
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3.6 Pentium Pro~Itanium1993PentiumIntelPentium Pro(1995)Pentium 1997Pentium 1998Pentium 4200064Itanium
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80386PentiumPentium 4
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3.6.1 Pentium Pro Pentium Pro1Pentium ProL2 Cache 256KB512KB24CPU
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3CPU3664GB64TBCPU644Pentium ProRISC5387 Socket 8 Pentium Pro
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3.6.2 Pentium Pentium P
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12L1 Cache32KBL2 Cache512KBPentiumCPUL1L2 CacheCPU 2Pentium 300643664GB64TB
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3Pentium CPU64I/OCPUL2 Cache4MMXPentium 57MMXMMX
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3.6.3 Pentium Pentium P3400MHz733MHz100MHz133MHzCPU1.1V1.65VPC-PGA
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1P70SSE1250457MMX50MMXSSE8
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2P8128432SEE PSSE3D
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3.6.4 Pentium 4 Pentium 44200CPU1.4GHz2.2GHz55W12VCPU478Socket 423CPU
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3.6.4 Pentium 41CPU464P48503.2GB/S2Pentium 4ALUP42/
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3.6.4 Pentium 43P4PMMX70MMXPSSESSE144SSE24CacheL1CacheTrace Cache
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3.6.5 Itanium ItaniumIntel6464642.2Pentium10
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3.6.5 Itanium1Explicitly Parallel Instruction Computing, EPICEPICEPIC
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3.6.5 Itanium2Itanium2-3CacheItanium 2CacheL1 CacheCacheCache16KBL2 Cache96KB4MBCacheItanium L1L2L3CacheL3Cache3MB3Itanium4ALU4FNAC9Itanium120
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3.6.5 Itanium4Itanium5ItaniumItanium12812864
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3.1 3.2 3.4 3.5 3.8 3.9 3.10