AI Accelerator Design · All levels

Throughput, Latency, and Energy Tradeoff Analysis: Review Checklist

Review Checklist for Throughput, Latency, and Energy Tradeoff Analysis.

Review checklist

Review Checklist for Throughput, Latency, and Energy Tradeoff Analysis is anchored on P50 and P99 latency, sustained throughput, and joules per token or inference under production load.. Convert measurements into mechanism-backed decisions with clear owner accountability.

  • Workload scope and SLA targets are explicit.

  • Environment metadata is locked and reproducible.

  • Mechanism classification is evidence-backed.

  • Owner, rollback trigger, and validation matrix are documented.

  • Owners signed: system performance owner, power and thermal architect, capacity planning owner, production inference lead.

AI accelerator deep dive

Accelerator selection quality depends on workload realism and full-stack delivery readiness.

Concept diagram

diagram
ACCELERATOR LANDSCAPE

model shape + SLA + power budget
  -> candidate platform shortlist
  -> benchmark under production-like load
  -> choose architecture + stack strategy

Metric graph

diagram
PLATFORM TRADE CURVE

throughput      ███████████
latency         ███████
energy          ████████
engineering risk █████

Metrics and artifacts to collect

  • workload fit matrix

  • latency-throughput sweep

  • perf-per-watt dashboard

  • owner and risk map

Mini case study

A platform looked best on synthetic GEMM but lost in production due to runtime overhead and memory-tail behavior.

Debug branches

  • Validate workload representativeness

  • Check software-stack maturity

  • Tie KPI gains to product SLA

Senior review question

Ask: which first-principles bottleneck class explains the symptom, and what artifact proves it reproducibly?

Key takeaways

  • Tie every accelerator claim to a reproducible workload slice and one primary metric trend.

  • Prefer bounded fixes with clear owner and rollback boundary over broad tuning bundles.

Common pitfalls

  • Optimizing synthetic kernels without production-shape validation.

  • Reading average latency while ignoring p95 and p99 behavior.

  • Declaring sparse or precision wins without fallback and quality evidence.

Review checklist explanation

Checklist quality determines whether teams close on proof or on optimism.

Minimum packet: metric trend (P50 and P99 latency, sustained throughput, and joules per token or inference under production load.), artifact set (Pareto frontier report showing feasible operating points across throughput, latency, and energy budgets.), bottleneck class, owner fix, rollback trigger, and validation matrix.

If precision changes are involved, include quality guardrail evidence for each deployment slice.