Skip to content
Free public beta until December 4, 2026: every course is open, no card needed. After that, the first chapter of each course stays free and full access is a one-time $39 ($19 for up to 100 founding members chosen for helpful feedback). Your progress is kept. How the beta works

wrong-path instruction

An instruction fetched and started because of a wrong branch guess; it is squashed and leaves no change in registers or memory.

A wrong-path instruction lies on the mispredicted side of a branch; it may execute speculatively but is squashed before it can update architectural state.

See also

speculative execution branch misprediction pipeline flush architectural state
Read the full section →