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## Summary Benchmark infrastructure for measuring render pipeline performance. - **render-pipeline benchmark** (`bench/render-pipeline/`): `benchmark.ts` for profiling render paths, `analyze-profiles.ts` for CPU profile analysis - **Stress routes** (`bench/basic-app/app/streaming/`): light, medium, heavy, bulk, wide, chunkstorm variants for different streaming load profiles - **Basic app harness**: `benchmark.sh` runner script, `next.config.js` - **Minimal server**: `bench/next-minimal-server/bin/minimal-server.js` - **Docs**: `bench/BENCHMARKING.md` guide - **Config**: eslint exclusion for bench paths, package.json bench scripts ## Test plan - [ ] No runtime behavior changes - [ ] Benchmark scripts are standalone tooling --------- Co-authored-by: Tim Neutkens <[email protected]>
143 lines
3.5 KiB
Bash
Executable File
143 lines
3.5 KiB
Bash
Executable File
#!/bin/bash
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# Benchmark script for comparing web streams vs node streams performance.
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# Uses the minimal server (bench/next-minimal-server) for lowest overhead.
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# Warms up with 50 requests, then runs two phases:
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# Phase 1: 10s at concurrency=1 (single-client latency)
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# Phase 2: 10s at concurrency=100 (throughput under load)
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# Reports throughput and latency percentiles for each phase.
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#
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# Usage:
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# ./benchmark.sh [duration] [warmup_requests]
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#
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# Defaults: 10s duration per phase, 50 warmup requests
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set -euo pipefail
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DURATION=${1:-10}
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WARMUP_REQS=${2:-50}
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PORT=3199
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NEXT_BIN="../../packages/next/dist/bin/next"
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MINIMAL_SERVER="../next-minimal-server/bin/minimal-server.js"
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if ! command -v npx &>/dev/null; then
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echo "npx is required (for autocannon)"
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exit 1
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fi
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cleanup() {
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lsof -ti :"$PORT" 2>/dev/null | xargs kill -9 2>/dev/null || true
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}
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trap cleanup EXIT
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start_server() {
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cleanup
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sleep 0.5
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PORT=$PORT node "$MINIMAL_SERVER" &>/dev/null &
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SERVER_PID=$!
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# Wait for server to be ready
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local retries=0
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while ! curl -sf "http://localhost:$PORT" >/dev/null 2>&1; do
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retries=$((retries + 1))
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if [ "$retries" -gt 30 ]; then
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echo "ERROR: Server failed to start after 15s"
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exit 1
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fi
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sleep 0.5
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done
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}
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stop_server() {
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kill "$SERVER_PID" 2>/dev/null || true
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wait "$SERVER_PID" 2>/dev/null || true
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cleanup
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sleep 1
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}
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warmup() {
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echo " Warming up ($WARMUP_REQS requests)..."
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for i in $(seq 1 "$WARMUP_REQS"); do
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curl -sf "http://localhost:$PORT" >/dev/null 2>&1 || true
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done
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sleep 0.5
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}
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run_phase() {
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local label="$1"
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local connections="$2"
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echo ""
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echo " --- $label (${DURATION}s, c=$connections) ---"
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local result
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result=$(npx autocannon -d "$DURATION" -c "$connections" -j "http://localhost:$PORT" 2>/dev/null)
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node -e "
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const d = JSON.parse(require('fs').readFileSync('/dev/stdin','utf8'));
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const r = d.requests;
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const l = d.latency;
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console.log(' Throughput:');
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console.log(' avg: ' + r.average + ' req/s');
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console.log(' mean: ' + r.mean + ' req/s');
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console.log(' total: ' + r.total + ' requests in ${DURATION}s');
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console.log(' Latency:');
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console.log(' avg: ' + l.average.toFixed(2) + ' ms');
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console.log(' p50: ' + l.p50.toFixed(2) + ' ms');
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console.log(' p90: ' + l.p90.toFixed(2) + ' ms');
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console.log(' p99: ' + l.p99.toFixed(2) + ' ms');
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console.log(' max: ' + l.max.toFixed(2) + ' ms');
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" <<< "$result"
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}
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run_benchmark() {
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local mode="$1"
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echo ""
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echo "============================================"
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echo " $mode"
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echo "============================================"
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start_server
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warmup
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run_phase "Single client" 1
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run_phase "Under load" 100
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stop_server
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}
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echo "Benchmark: web streams vs node streams"
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echo "======================================="
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echo "Duration: ${DURATION}s per phase | Warmup: ${WARMUP_REQS} reqs"
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echo "Server: minimal-server (minimalMode: true)"
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# --- Web Streams (default) ---
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cat > next.config.js <<'CONF'
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module.exports = {}
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CONF
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echo ""
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echo "Building (web streams)..."
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node "$NEXT_BIN" build &>/dev/null
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run_benchmark "Web Streams (default)"
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# --- Node Streams ---
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cat > next.config.js <<'CONF'
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module.exports = {
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experimental: {
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useNodeStreams: true,
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},
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}
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CONF
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echo ""
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echo "Building (node streams)..."
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node "$NEXT_BIN" build &>/dev/null
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run_benchmark "Node Streams (useNodeStreams: true)"
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# Restore config
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cat > next.config.js <<'CONF'
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module.exports = {}
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CONF
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echo ""
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echo "Done."
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