1 / 7

Understanding Pipeline Notation in CS2100 Lectures

This slideshow explains pipeline graphical notation used in CS2100 lectures, focusing on data hazards and forwarding. It clarifies why forwarding is necessary and how it resolves data hazards. Customize examples for better comprehension.

keira
Download Presentation

Understanding Pipeline Notation in CS2100 Lectures

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Pipeline Illustration (Do NOT Print!) intended for slideshow mode only By SYJ For CS2100

  2. A Quick Word • The pipeline graphical notation used in lecture is designed to be concise: • Great for presenting lots of information • However, it is sometimes very hard to see what is in the processor pipeline stages at a single moment • This set of slide serves to fill in this role • Feel free to change it to any example you want to help your understanding By SYJ For CS2100

  3. This Example • This particular example is from the data hazard + forwarding: • Slide 53,54 of lecture set #16 • Use it to see: • Why forwarding is required? • How does forwarding mitigates data hazards? By SYJ For CS2100

  4. -- -- -- sub Instruction PC+4 - - - $1 - RF - - DM ALU $3 - $2 - - - IF/ID ID/EX EX/MEM MEM/WB By SYJ For CS2100

  5. -- -- sub and Instruction PC+4 - - - $2 0 RF - - DM ALU $5 20 $12 $2 - - IF/ID ID/EX EX/MEM MEM/WB By SYJ For CS2100

  6. sub -- and or Instruction PC+4 - - - $6 10 RF -20 - DM ALU $2 xx $13 $12 $2 - IF/ID ID/EX EX/MEM MEM/WB By SYJ For CS2100

  7. and sub or add Instruction PC+4 - - - $2 xx RF XXX -20 DM ALU $2 10 $14 $13 $12 $2 IF/ID ID/EX EX/MEM MEM/WB By SYJ For CS2100

More Related