Intel NetBurst Uživatelský manuál stáhnout pdf (Strana 4)

A Detailed Look Inside the Intel

NetBurst

™

Micro-Architecture of the Intel Pentium

4 Processor

Page 4

Table of Contents

ABOUT THIS DOCUMENT.................................................................................................................5

INTRODUCTION................................................................................................................................6

SIMD TECHNOLOGY AND STREAMING SIMD EXTENSIONS 2.........................................................6

Summary of SIMD Technologies..............................................................................................................................................7

INTEL

NETBURST™ MICRO-ARCHITECTURE.................................................................................9

The Design Considerations of the Intel NetBurst Micro-architecture............................................................................9

Overview of the Intel NetBurst Micro-architecture Pipeline..........................................................................................10

The Front End .............................................................................................................................................................................10

The Out-of-order Core...............................................................................................................................................................11

Retirement ...................................................................................................................................................................................11

Front End Pipeline Detail..........................................................................................................................................................11

Prefetching...................................................................................................................................................................................12

Decoder........................................................................................................................................................................................12

Execution Trace Cache..............................................................................................................................................................12

Branch Prediction.......................................................................................................................................................................12

Branch Hints ...............................................................................................................................................................................13

Execution Core Detail................................................................................................................................................................13

Instruction Latency and Throughput ......................................................................................................................................13

Execution Units and Issue Ports ..............................................................................................................................................14

Caches ..........................................................................................................................................................................................15

Data Prefetch...............................................................................................................................................................................15

Loads and Stores ........................................................................................................................................................................16

Store Forwarding........................................................................................................................................................................17

1 2 3 4 5 6 7 8 9 ... 16 17

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