SkillsLib.ai

Benchmark Design & Analysis for Research Engineers

Design statistically valid benchmarks and interpret results

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100+ downloads
Updated Nov 2026

What You Can Do

You can design rigorous, reproducible benchmarks from first principles, establishing proper controls, baselines, and sample sizes. Claude analyzes performance results using appropriate statistical tests, calculates confidence intervals, and identifies whether observed differences are meaningful or noise. You'll produce peer-review-ready methodology sections and reports that satisfy the rigor demands of academic and production environments.

Features

Benchmark design methodology

establish proper controls, baselines, and experimental structure

Statistical test selection

choose appropriate tests (t-tests, ANOVA, Mann-Whitney U) based on data characteristics

Power analysis & sample sizing

calculate required sample sizes to detect meaningful differences

Performance visualization

generate plots for trend analysis, distributions, and comparisons

Confidence interval calculation

quantify uncertainty and effect sizes with proper bounds

Reproducibility documentation

create detailed experiment logs and environment specifications

Anomaly & regression detection

identify statistically significant deviations from baseline

Comparative analysis

structure multi-condition experiments with proper statistical framing

Example Output

Example 1: Benchmark Design Plan

code
## Benchmark Specification
- Primary metric: Throughput (ops/sec)
- Baseline: Current implementation
- Conditions: 3 optimizations vs baseline
- Sample size: 100 runs per condition (n=400 total)
- Warmup: 10 runs per condition
- Statistical test: One-way ANOVA + post-hoc Tukey HSD
- Confidence level: 95%

Example 2: Statistical Analysis Output

code
Results:
✓ Optimization A: +12.3% (95% CI: [10.1%, 14.5%], p<0.001)
✓ Optimization B: +8.7% (95% CI: [6.2%, 11.2%], p<0.001)
✗ Optimization C: +1.2% (95% CI: [-1.3%, 3.7%], p=0.34) — not significant

Effect sizes: Cohen's d = 1.42 (large), 0.98 (medium), 0.11 (negligible)

Example 3: Anomaly Report

code
Run 47 flagged: Throughput = 8,234 ops/sec (3.2σ below mean)
Likely cause: system noise (thermal throttling detected in logs)
Recommendation: Exclude from final analysis (outlier removal justified)

What's Included

  • SKILL.md: Full benchmark design & analysis workflow
  • Benchmark Design Template: Controls checklist, baseline definition, sample size calculator
  • Statistical Analysis Checklist: Test selection flowchart, assumptions validation, post-hoc procedures
  • Report Template: Methodology, results table, visualization descriptions, discussion framework
  • Reproducibility Log: Hardware specs, software versions, environment variables, seed records
  • Anomaly Detection Worksheet: Outlier justification, exclusion criteria, sensitivity analysis

Who It's For

  • Machine learning researchers validating model improvements and comparing architectures
  • Systems engineers benchmarking infrastructure changes and optimization techniques
  • Algorithm researchers proving theoretical improvements with empirical results
  • Performance engineers detecting regressions and quantifying optimization wins
  • Academic researchers publishing peer-reviewed experimental work with statistical rigor

Best For

  • Designing rigorous A/B tests and controlled experiments with proper statistical framing
  • Validating performance claims with confidence intervals and effect size reporting
  • Detecting real improvements vs. noise and random variation in benchmarks
  • Creating reproducible benchmark suites with documented controls and methodology
  • Writing experimental methodology sections that satisfy publication and peer-review standards

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