Flagship Experiment: Deep Study Implementation

**Goal**: Execute one flagship deep study to demonstrate platform capability.

**Candidates** (Pick one):
- Replacement policy vs coherence traffic.
- Prefetch aggressiveness vs cache pollution.
- Victim cache impact on conflict misses.
- MESI traffic scaling with core count.

**Deliverables**:
- Multiple plots.
- Clear conclusions.
- Reproducible scripts.