RISC-V Design · All levels
Microarchitectural Control Tradeoffs: Reports and Metrics
Reports and Metrics for Microarchitectural Control Tradeoffs.
Reports and metrics
Reports and Metrics 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.
Before/after trend
diagram
BEFORE / AFTER TREND - Microarchitectural Control Tradeoffs
Area and power per committed instruction versus branch penalty and average CPI under mixed workloads.
^
| o target band
| o after fix + reruns
| o
| o baseline (failing)
+--------------------------------------------------> iteration
capture issue isolate mechanism close + monitor
Use this view to confirm the gain is causal and stable across seeds.Root-cause tree
diagram
ROOT CAUSE TREE - Microarchitectural Control Tradeoffs
Area and power per committed instruction versus branch penalty and average CPI under mixed workloads. regressed
|
reproducible on fixed seed?
/ \
no yes
| |
env/tool drift first failing domain?
/ | \
decode execute memory/MMU
| | |
control map bypass/FU TLB/walk/perm
|
privilege/CSR side effects checked?
Stop at first confirmed mechanism, then assign explicit owner + fix proof.Track Area and power per committed instruction versus branch penalty and average CPI under mixed workloads. on representative workloads, not just microbenchmarks.
Include build/runtime/privilege metadata in report headers.
Pair performance movement with correctness and reliability checks.
Report tail stability, not only mean uplift.