Write-After-Write hazard (WAW)
Tag: waw-hazard
Aliases: WAW, output dependence
A data hazard where two instructions write the same register out of program order. False dependence — eliminated by register renaming.
Lecture references
- L04 · Hazards — p.13 , p.15 , p.57
- L05 · Scoreboarding — p.6 , p.14 , p.15 , p.18 , p.32 , p.33 , p.39 , p.44 , p.46 , p.50 , p.51
- L06 · Tomasulo — p.6 , p.7 , p.11 , p.12 , p.14 , p.18 , p.19 , p.24 , p.31 , p.32 , p.34 , p.37
- L07 · Interrupts & P6 — p.5
- L08 · MIPS R10000 — p.14 , p.29
- L09 · Memory Scheduling — p.5 , p.13
- L10 · Branch Prediction — p.6