Not exactly about that? It's literally the example from the motivation. The first thing I do in the plan section is to say "Let's focus on a single stage of the pipeline to make things easier for ourselves." and in the contributing section "We've only looked at one stage in a pipeline, what happens if we have multiple stages? is it enough to control each individual stage separately or do we need more global control?".
The example is about allocating threads to threadpools.
It is not about utilizing existing threads in threadpools.
Thats where YOU are mistaken. Your example has threads preallocated to core affinity. Which is what Im saying when I say run all pistons on the engine even when idle.
