21 May
2014
21 May
'14
8:26 a.m.
* Henry Baker <hbaker1@pipeline.com> [May 21. 2014 16:09]:
Warren:
[...]
Branch prediction basically builds several hypothetical states in parallel (requiring lots of additional registers), and only when the results of the decisions are finally available does the CPU choose the correct state to "instantiate" as the actual state.
This is what I'd call "speculative execution". Best regards, jj
[...]