The CPU is complex, so as you can imagine, optimizations exist to ensure that it runs as efficiently as possible without idling. In today's episode, we look at the pipeline - An ingenious optimization technique, but also one that comes with a set of caveats and gotchas!
= CONTENTS PAGE =
00:00 Opening
01:07 CPU Basics - Instructions
01:22 Stages of an Instruction
03:32 Idle Time
04:16 Introduction to Pipelining
05:09 Introduction to Hazards
05:51 Example: Read-After-Write Hazard
06:41 Pipeline Stalls
07:24 Operand Forwarding
08:18 Out-of-Order Execution
10:20 Dealing with Branching
11:27 The Problem and Pipeline Flush
12:14 Branch Prediction
14:20 Conclusion
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Sci-fi Future: pixabay.com/videos/sci-fi-sci...
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27 июл 2024