feat: add Fastly Compute deployment support #144
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| name: Benchmark — merjs vs Next.js | |
| on: | |
| push: | |
| branches: [main] | |
| pull_request: | |
| branches: [main] | |
| permissions: | |
| contents: write | |
| jobs: | |
| benchmark: | |
| runs-on: ubuntu-latest | |
| name: Size, Build & Load Comparison | |
| steps: | |
| - name: Checkout merjs | |
| uses: actions/checkout@v4 | |
| - name: Setup Zig 0.16.0 | |
| uses: mlugg/setup-zig@v2 | |
| with: | |
| version: 0.16.0 | |
| - name: Setup Node.js 20 | |
| uses: actions/setup-node@v4 | |
| with: | |
| node-version: 20 | |
| - name: Install wrk | |
| run: sudo apt-get update && sudo apt-get install -y wrk | |
| # ── Build merjs ────────────────────────────────────── | |
| - name: Build merjs | |
| run: | | |
| START=$(date +%s%N) | |
| zig build codegen | |
| zig build | |
| END=$(date +%s%N) | |
| echo "MERJS_BUILD_MS=$(( (END - START) / 1000000 ))" >> $GITHUB_ENV | |
| - name: Measure merjs | |
| run: | | |
| MERJS_BIN=$(find zig-out -name "merjs" -type f 2>/dev/null | head -1) | |
| if [ -n "$MERJS_BIN" ]; then | |
| MERJS_SIZE=$(du -sh "$MERJS_BIN" | cut -f1) | |
| MERJS_BYTES=$(stat --format=%s "$MERJS_BIN") | |
| else | |
| MERJS_SIZE="N/A" | |
| MERJS_BYTES=0 | |
| fi | |
| MERJS_FILES=$(find src app api wasm -name '*.zig' | wc -l) | |
| echo "MERJS_SIZE=$MERJS_SIZE" >> $GITHUB_ENV | |
| echo "MERJS_BYTES=$MERJS_BYTES" >> $GITHUB_ENV | |
| echo "MERJS_FILES=$MERJS_FILES" >> $GITHUB_ENV | |
| # ── wrk: merjs (sequential — merjs first, then Next.js) ───────────── | |
| - name: Load test merjs | |
| run: | | |
| MERJS_BIN=$(find zig-out -name "merjs" -type f 2>/dev/null | head -1) | |
| $MERJS_BIN --port 3000 --no-dev & | |
| MERJS_PID=$! | |
| sleep 2 | |
| # Sample RSS before load test | |
| MERJS_RSS_BEFORE=$(ps -o rss= -p $MERJS_PID | tr -d ' ') | |
| WRK_OUT=$(wrk -t2 -c100 -d10s http://127.0.0.1:3000/) | |
| echo "$WRK_OUT" | |
| # Sample peak RSS after load test | |
| MERJS_RSS_AFTER=$(ps -o rss= -p $MERJS_PID | tr -d ' ') | |
| # Use the higher value (KB → MB) | |
| MERJS_RSS_KB=$(( MERJS_RSS_BEFORE > MERJS_RSS_AFTER ? MERJS_RSS_BEFORE : MERJS_RSS_AFTER )) | |
| MERJS_RAM_MB=$(awk "BEGIN{printf \"%.1f\", $MERJS_RSS_KB / 1024}") | |
| MERJS_RPS=$(echo "$WRK_OUT" | grep 'Requests/sec' | awk '{print $2}') | |
| MERJS_LAT=$(echo "$WRK_OUT" | grep 'Latency' | awk '{print $2 " " $3}') | |
| echo "MERJS_RPS=$MERJS_RPS" >> $GITHUB_ENV | |
| echo "MERJS_LAT=$MERJS_LAT" >> $GITHUB_ENV | |
| echo "MERJS_RAM_MB=$MERJS_RAM_MB" >> $GITHUB_ENV | |
| kill $MERJS_PID 2>/dev/null || true | |
| sleep 1 | |
| # ── Build Next.js baseline ─────────────────────────── | |
| - name: Create Next.js app | |
| run: | | |
| START=$(date +%s%N) | |
| npx -y create-next-app@latest nextjs-baseline \ | |
| --yes --ts --tailwind --app --eslint --use-npm | |
| cd nextjs-baseline | |
| npm run build | |
| END=$(date +%s%N) | |
| echo "NEXT_BUILD_MS=$(( (END - START) / 1000000 ))" >> $GITHUB_ENV | |
| - name: Measure Next.js | |
| run: | | |
| cd nextjs-baseline | |
| NEXT_NM_SIZE=$(du -sh node_modules | cut -f1) | |
| NEXT_NM_BYTES=$(du -sb node_modules | cut -f1) | |
| NEXT_NM_FILES=$(find node_modules -type f | wc -l) | |
| NEXT_DOT_NEXT_SIZE=$(du -sh .next 2>/dev/null | cut -f1 || echo "N/A") | |
| echo "NEXT_NM_SIZE=$NEXT_NM_SIZE" >> $GITHUB_ENV | |
| echo "NEXT_NM_BYTES=$NEXT_NM_BYTES" >> $GITHUB_ENV | |
| echo "NEXT_NM_FILES=$NEXT_NM_FILES" >> $GITHUB_ENV | |
| echo "NEXT_DOT_NEXT_SIZE=$NEXT_DOT_NEXT_SIZE" >> $GITHUB_ENV | |
| # ── wrk: Next.js ────────────────────────────────────── | |
| - name: Load test Next.js | |
| run: | | |
| cd nextjs-baseline | |
| npx next start -p 3001 & | |
| NEXT_PID=$! | |
| sleep 5 | |
| # Sample RSS before load test | |
| NEXT_RSS_BEFORE=$(ps -o rss= -p $NEXT_PID | tr -d ' ') | |
| WRK_OUT=$(wrk -t2 -c100 -d10s http://127.0.0.1:3001/) | |
| echo "$WRK_OUT" | |
| # Sample peak RSS after load test | |
| NEXT_RSS_AFTER=$(ps -o rss= -p $NEXT_PID | tr -d ' ') | |
| NEXT_RSS_KB=$(( NEXT_RSS_BEFORE > NEXT_RSS_AFTER ? NEXT_RSS_BEFORE : NEXT_RSS_AFTER )) | |
| NEXT_RAM_MB=$(awk "BEGIN{printf \"%.1f\", $NEXT_RSS_KB / 1024}") | |
| NEXT_RPS=$(echo "$WRK_OUT" | grep 'Requests/sec' | awk '{print $2}') | |
| NEXT_LAT=$(echo "$WRK_OUT" | grep 'Latency' | awk '{print $2 " " $3}') | |
| echo "NEXT_RPS=$NEXT_RPS" >> $GITHUB_ENV | |
| echo "NEXT_LAT=$NEXT_LAT" >> $GITHUB_ENV | |
| echo "NEXT_RAM_MB=$NEXT_RAM_MB" >> $GITHUB_ENV | |
| kill $NEXT_PID 2>/dev/null || true | |
| # ── Summary ────────────────────────────────────────── | |
| - name: Post comparison | |
| run: | | |
| cat >> $GITHUB_STEP_SUMMARY << 'HEREDOC' | |
| ## 📊 merjs vs Next.js — Benchmark | |
| | Metric | **merjs** | **Next.js** | | |
| |--------|-----------|-------------| | |
| HEREDOC | |
| echo "| Server binary / node_modules | $MERJS_SIZE | $NEXT_NM_SIZE |" >> $GITHUB_STEP_SUMMARY | |
| echo "| Build output | — | $NEXT_DOT_NEXT_SIZE (.next/) |" >> $GITHUB_STEP_SUMMARY | |
| echo "| Source files (Zig) / node_modules files | $MERJS_FILES files | $NEXT_NM_FILES files |" >> $GITHUB_STEP_SUMMARY | |
| echo "| Full build time | ${MERJS_BUILD_MS} ms | ${NEXT_BUILD_MS} ms |" >> $GITHUB_STEP_SUMMARY | |
| echo "| Runtime deps | 0 | Node.js ≥ 18 |" >> $GITHUB_STEP_SUMMARY | |
| echo "| **Requests/sec** (wrk, 2t/100c/10s) | **${MERJS_RPS}** | **${NEXT_RPS}** |" >> $GITHUB_STEP_SUMMARY | |
| echo "| **Avg latency** | **${MERJS_LAT}** | **${NEXT_LAT}** |" >> $GITHUB_STEP_SUMMARY | |
| echo "| **RAM usage** (under load) | **${MERJS_RAM_MB} MB** | **${NEXT_RAM_MB} MB** |" >> $GITHUB_STEP_SUMMARY | |
| echo "" >> $GITHUB_STEP_SUMMARY | |
| echo "> Measured on GitHub Actions \`ubuntu-latest\`. Next.js created with \`create-next-app@latest --yes --ts --tailwind --app\`. Load test: \`wrk -t2 -c100 -d10s\` on index route." >> $GITHUB_STEP_SUMMARY | |
| - name: Save benchmark JSON | |
| run: | | |
| mkdir -p benchmarks | |
| python3 -c " | |
| import os, json | |
| data = { | |
| 'timestamp': '$(date -u +%Y-%m-%dT%H:%M:%SZ)', | |
| 'runner': 'ubuntu-latest', | |
| 'merjs': { | |
| 'requests_per_sec': float(os.environ.get('MERJS_RPS', '0')), | |
| 'avg_latency_ms': os.environ.get('MERJS_LAT', ''), | |
| 'ram_mb': float(os.environ.get('MERJS_RAM_MB', '0')), | |
| 'build_time_ms': int(os.environ.get('MERJS_BUILD_MS', '0')), | |
| 'binary_size': os.environ.get('MERJS_SIZE', ''), | |
| 'binary_bytes': int(os.environ.get('MERJS_BYTES', '0')), | |
| 'source_files': int(os.environ.get('MERJS_FILES', '0')), | |
| }, | |
| 'nextjs': { | |
| 'requests_per_sec': float(os.environ.get('NEXT_RPS', '0')), | |
| 'avg_latency_ms': os.environ.get('NEXT_LAT', ''), | |
| 'ram_mb': float(os.environ.get('NEXT_RAM_MB', '0')), | |
| 'build_time_ms': int(os.environ.get('NEXT_BUILD_MS', '0')), | |
| 'node_modules_size': os.environ.get('NEXT_NM_SIZE', ''), | |
| 'node_modules_bytes': int(os.environ.get('NEXT_NM_BYTES', '0')), | |
| 'node_modules_files': int(os.environ.get('NEXT_NM_FILES', '0')), | |
| 'dot_next_size': os.environ.get('NEXT_DOT_NEXT_SIZE', ''), | |
| } | |
| } | |
| json.dump(data, open('benchmarks/latest.json', 'w'), indent=2) | |
| print(json.dumps(data, indent=2)) | |
| " | |
| - name: Update README benchmark rows | |
| if: github.event_name == 'push' && github.ref == 'refs/heads/main' | |
| run: | | |
| python3 -c " | |
| import os, re | |
| rps_m, rps_n = os.environ['MERJS_RPS'], os.environ['NEXT_RPS'] | |
| lat_m, lat_n = os.environ['MERJS_LAT'], os.environ['NEXT_LAT'] | |
| build_m, build_n = os.environ['MERJS_BUILD_MS'], os.environ['NEXT_BUILD_MS'] | |
| ram_m, ram_n = os.environ.get('MERJS_RAM_MB', 'N/A'), os.environ.get('NEXT_RAM_MB', 'N/A') | |
| rows = ( | |
| f'| Requests/sec (wrk) | **{rps_m} req/s** | **{rps_n} req/s** |\n' | |
| f'| Avg latency | **{lat_m}** | **{lat_n}** |\n' | |
| f'| RAM usage (under load) | **{ram_m} MB** | **{ram_n} MB** |\n' | |
| f'| Build time | **{build_m} ms** | **{build_n} ms** |' | |
| ) | |
| txt = open('README.md').read() | |
| txt = re.sub( | |
| r'(<!-- BENCH:START -->\n).*?(\n<!-- BENCH:END -->)', | |
| r'\1' + rows + r'\2', | |
| txt, flags=re.DOTALL) | |
| open('README.md','w').write(txt) | |
| " | |
| - name: Update index.zig benchmark bars | |
| if: github.event_name == 'push' && github.ref == 'refs/heads/main' | |
| run: | | |
| python3 << 'PYEOF' | |
| import os, re | |
| rps_m = os.environ.get('MERJS_RPS', '2446') | |
| rps_n = os.environ.get('NEXT_RPS', '1890') | |
| lat_m_raw = os.environ.get('MERJS_LAT', '40.68ms').split()[0].rstrip('ms') | |
| lat_n_raw = os.environ.get('NEXT_LAT', '76.82ms').split()[0].rstrip('ms') | |
| lat_m = lat_m_raw | |
| lat_n = lat_n_raw | |
| build_m = int(os.environ.get('MERJS_BUILD_MS', '1200')) | |
| build_n = int(os.environ.get('NEXT_BUILD_MS', '30000')) | |
| ram_m = os.environ.get('MERJS_RAM_MB', '5.0') | |
| ram_n = os.environ.get('NEXT_RAM_MB', '80.0') | |
| # Format build times | |
| build_m_s = f"{build_m / 1000:.1f} s" if build_m >= 1000 else f"{build_m} ms" | |
| build_n_s = f"{build_n / 1000:.0f} s" if build_n >= 1000 else f"{build_n} ms" | |
| # Calculate bar widths (relative to max) | |
| def bar_w(a, b): | |
| mx = max(a, b) | |
| if mx == 0: return 50, 50 | |
| return max(8, int(a / mx * 90)), max(8, int(b / mx * 90)) | |
| rps_m_f = float(rps_m.replace(',', '')) | |
| rps_n_f = float(rps_n.replace(',', '')) | |
| rps_m_w, rps_n_w = bar_w(rps_m_f, rps_n_f) | |
| lat_m_f = float(lat_m.replace(',', '')) | |
| lat_n_f = float(lat_n.replace(',', '')) | |
| lat_m_w, lat_n_w = bar_w(lat_m_f, lat_n_f) | |
| build_m_w, build_n_w = bar_w(build_m, build_n) | |
| ram_m_f, ram_n_f = float(ram_m), float(ram_n) | |
| ram_m_w, ram_n_w = bar_w(ram_m_f, ram_n_f) | |
| txt = open('examples/site/app/index.zig').read() | |
| # Replace benchRow() calls by label name | |
| def update_row(txt, label, mw, mv, nw, nv): | |
| return re.sub( | |
| rf'(benchRow\("{label}",\s*")[^"]*(",\s*")[^"]*(",\s*")[^"]*(",\s*")[^"]*(")', | |
| rf'\g<1>{mw}%\g<2>{mv}\g<3>{nw}%\g<4>{nv}\g<5>', | |
| txt, count=1) | |
| txt = update_row(txt, "Requests / sec", rps_m_w, f"{rps_m} req/s", rps_n_w, f"{rps_n} req/s") | |
| txt = update_row(txt, "Avg Latency", lat_m_w, f"{lat_m} ms", lat_n_w, f"{lat_n} ms") | |
| txt = update_row(txt, "RAM Usage", ram_m_w, f"~{ram_m} MB", ram_n_w, f"~{ram_n} MB") | |
| txt = update_row(txt, "Build Time", build_m_w, f"~{build_m_s}", build_n_w, f"~{build_n_s}") | |
| open('examples/site/app/index.zig', 'w').write(txt) | |
| print(f"Updated index.zig: req/s={rps_m}/{rps_n}, lat={lat_m}/{lat_n}ms, ram={ram_m}/{ram_n}MB, build={build_m_s}/{build_n_s}") | |
| PYEOF | |
| - name: Commit updated benchmarks | |
| if: github.event_name == 'push' && github.ref == 'refs/heads/main' | |
| run: | | |
| git config user.name "github-actions[bot]" | |
| git config user.email "github-actions[bot]@users.noreply.github.com" | |
| git add README.md examples/site/app/index.zig benchmarks/latest.json 2>/dev/null | |
| git diff --staged --quiet || (git commit -m "docs: update benchmark numbers [skip ci]" && git push) |