Intel Pentium 4 1'4GHz

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Intel Pentium 41.4GHz 1.5GHz

• ?????????? ?????
• ?????? ????

2
?????????????????

• NetBurst Architecture ??? Pentium 4
• Hyper Pipelined Technology
• Rapid Execution Engine
• Cache ??? Pentium 4
• SSE2
• The Interface
• ???????????
• ?????????????
• ????????????????????

3
NetBurst Architecture

• ???????? NetBurst Architecture ??????????? ??????
  ??? Intel 2 ???? ??? Pentium 4 1.4GHz ??? 1.5GHz
• ????????????? NetBurst Architecture ????????????
• Hyper Pipelined Technology
• Rapid Execution Engine
• Execution Trace Cache
• System Bus 400MHz

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NetBurst Architecture

• ?????????? ??????????? P6 micro architecture
  ???????? ?????? ????????????????????????????????
• Advance Dynamic Execution
• Advance Transfer Cache
• Enhanced Floating Point Multimedia Unit
• Streaming SIMD Extension 2

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Hyper Pipeline Technology

• ????????????????????????????? ??????
  ????????????????? ????????????????????????????
• ????????????? ?????? ?????????????????????????????
  ??? ????????????????? ?????????????? Die ??
• ???????????? Die ?????????????????????????????????
  ??????????????????????? ??????????

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Hyper Pipeline Technology

• ??????????????? ???????????????????????????? ???
  ????? ????????????????????????????????????
  ?????????????????????????????????????????????
• ????? ????????????????????????????????????????????
  ????????????????????????? stage ?????????
  pipeline ??? Processor
• Pentium Pro ?? 5 State, Pentium II/III ?? 10
  State ??? Pentium 4 ?? 20 State

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Hyper Pipelined Technology

• Pipeline ???????????? 20-stage ??? Intel
  ??????????? Hyper Pipelined Technology

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Hyper Pipelined Technology

• ????? Pipeline ????????????????
  ????????????????????????? Branch Tree Prediction
  ??????????????????????
• ?????????????????????? ????????????????????????
  State ???????
• Processor ?????????? Pipeline 10 State
  ?????????????????????????????????? Processor
  ?????????? Pipeline 20 State

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Rapid Execution Engine

• ????????????????????? Arithmetic Logic Unit ???
  Pentium 4 ???????????????? 2 ??????? ????????????
• Pentium 4 ???????? 1.5GHz, Arithmetic Logic Unit
  ?????????????????? 3GHz
• ?????????????????? Double pump

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Rapid Execution Engine
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Rapid Execution Engine

• ??????????????????????????? ??????????????????????
  ??? Branch Prediction ????????????????????????????
  
• Pentium 4 ???????????????? ??????? Pipeline ???
  20 State ????????????? Pentium III
• Pentium 4 ????????????????????????????????????????
  ???????????????????????

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Rapid Execution Engine

• ??????? ??????????????????????? ? ??? Pentium
  ??????????? double pumped ???????????????????
  double pumped ALUs
• ??????????????? ?????? ????????????????????????
  (Low latency)

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Cache ??? Pentium 4

• Branch target buffer ?????????????????????????????
  ?? ?? Pentium 4 ?????????? 8 ??????? Pentium III
• ????? Branch predictor ???????????????????????????
  ?????
• Cache L1 ??? Pentium 4 ??????????????? 8 KB
  ??????? ????????????????????????????? (Low
  latency)
• Cache L1 ??? Pentium III ?????? 16 KB

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Cache ??? Pentium 4

• ???????????????????????????? ??????? Cache L1 ???
  Cache L2 ??? Pentium 4 ??????????? 512 bits
  ????????????????????? 48GB/s
• Pentium III ??????????? 256 bits
  ?????????????????? 24GB/s
• Athlon ??????????? 64 bits ??????????????????
  6GB/s

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Cache ??? Pentium 4

• Execution Trace Cache ????????????????????????????
  ???????????????????????????????????????????????
• ??????????????????????????? Pentium 4
  ?????????????? Trace Cache ????????? decoded
  micro-ops ??????????????????????????
• ????????? Trace Cache ??? Pentium 4 ??????? 8-way
  set association
• ???????????????? micro-ops ?????? 12 K

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SSE2

• SSE (Streaming SIMD Extension) ???????????????????
  ????????????????????????????????????????????? ?
  ??? ????????????????????????????????????? 3 ????
  (3D space)
• SIMD ?????????? Intel ?????????? ????????? MMX
• SMID-FP ??? Intel ???????? SSE
• Pentium 4 ??????????????????????? 144 ??????
  ??????????? SSE2

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SSE2

• SSE2 ?????????????? SIMD-Int ???? 64 bits ???
  SIMD-FP ??????? double precision 64 bits
• ?????? SSE2 ??????????????? ???????? Software
  ??????????? SSE2 ??????????????????????

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The Interface

• ?????? Pentium 4 ??? Socket-423
  ?????????????????????????? Socket-478

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???????????

• Pentium 4 ??????????????????? 0.18 ??????
  ??????????????????? ??????????? (Aluminum
  Interconnects)
• ??????????????????????? ???????????????? 0.13
  ?????? ??????????????????? ?????? (Copper
  Interconnects)

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???????????

• Pentium 4 ?????????????????????????????? Hyper
  Pipeline Technology ?????????????????
  ???????????? 42 ??????? ???????? Athlon
  ???????????? ???????????? 37 ???????
• Pentium 4 ?? die size ??????? 271 ??????????????
  ???? Athlon ?? die size ??????? 120 ??????????????

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???????????

• ??? Pentium 4 ?????????? 1.5GHz ?????????????????
  ?????? 52W
• ????????????? Athlon ??? 1GHz ?????????????????
  54 W ??? Athlon ??? 1GHz ????????????????? 64 W

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?????????????

• ?????????????????? Pentium 4 ??? i850 (Tehama)
• ????????????????????? AGP 4x ,?????? Ultra
  ATA/100 ???????????????????? Multi processor
• ?????? Pentium 4 ????? quad pumped 100MHz
  ????????????????????????????? 400MHz
• i850 ???????????????? ????????????????? dual
  channel RDRAM ????? ???????? ?????????????????
  ????????????????????

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?????????????

• ?????????????????????? RDRAM ????????? i850
  ?????????????? 2 ????????????????? AMD760
• ??????????????? ????????????? ??? ATX 2.03
  Specification ??????????? Power Supply
  ?????????????? ATX12V ????????????????????????????
  ???????????????????????? i850
• ???????????????????? 12V ????????????????????????
  ?????????????????? ? ?????? ??????????????????????
  ?????????????? ? ???????

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????????????????????
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????????????????????

• ????????? Athlon ?? L1 Cache ???????? ???? 64 KB
  ???????????????????? ?????????????? ? ?????????
• ???????????????????????????????
  ???????????????????????? ???????????????????????
  ?????????????? ??????????????

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????

• ???????????????? 0.18 ?????? ?????????????????????
  ??????? 2GHz ??????????????? 3 ?????????
• ??? latency ??? ????????? hit rate ??? Cache L1
  ??? ?????????????? L2 ??????
• SSE2 ??????????????????? ???????? Application
  ????????????????? ??? Pentium 4 ??????????????
• Branch Predictor ?????????????????????????
  ???????????? ????????????????

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Question?