RISC-V Design · All levels

RISC-V Compliance Testing: Silicon PPA Impact

Silicon PPA Impact for RISC-V Compliance Testing.

Silicon PPA impact

Silicon PPA Impact for RISC-V Compliance Testing is anchored on Compliance pass rate across implemented ISA profiles and extension-specific corner-case suites.. Convert observations into mechanism-backed decisions with explicit ownership.

  • Frequency gains that increase bubbles may lose net throughput.

  • Area growth from extension logic must justify workload value.

  • Power and thermal stability are release gates, not secondary metrics.

PPA trend view

diagram
BEFORE / AFTER TREND - RISC-V Compliance Testing

Compliance pass rate across implemented ISA profiles and extension-specific corner-case suites.
  ^
  |                           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.