[bernarpa]

That's right, this is more a description of how speculative execution works within modern processors (a quite familiar topic lately thanks to Meltdown, Spectre & co.).

[seanmcdirmid]

Except the author was assuming manual scheduling where today speculative execution is mostly done transparently in hardware (barring failed general purpose VLIW attempts).

[romwell]

There's no assumption of manual scheduling in that text.