RISC-V Design · All levels
Microarchitectural Control Tradeoffs: Comparison Matrix
Comparison Matrix for Microarchitectural Control Tradeoffs.
Comparison matrix
Comparison Matrix for Microarchitectural Control Tradeoffs is anchored on Area and power per committed instruction versus branch penalty and average CPI under mixed workloads.. Convert observations into mechanism-backed decisions with explicit ownership.
diagram
RISC-V EVIDENCE MATRIX - Microarchitectural Control Tradeoffs
+--------------------------+--------------------------------+--------------------------------+---------------------------+
| Evidence | Tells you | Does not prove | Next action |
+--------------------------+--------------------------------+--------------------------------+---------------------------+
| perf counter timeline | where regression appears | exact mechanism causality | correlate with trace |
| decode/control dump | control intent per instruction | pipeline side-effect ordering | inspect retire semantics |
| trap + CSR logs | privilege/fault behavior | performance bottleneck alone | pair with CPI buckets |
| MMU/TLB walk trace | translation behavior | full system QoS impact | test mixed workloads |
| post-fix trend graph | movement after fix | long-term stability | run stress matrix |
+--------------------------+--------------------------------+--------------------------------+---------------------------+