feat: register wasmtime toolchain in MODULE.bazel for centralized ver… #180

Workflow file for this run

.github/workflows/performance.yml at cc33333

	name: Performance Monitoring

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]
	schedule:
	# Run performance tests nightly
	- cron: '0 2 * * *'
	workflow_dispatch:
	inputs:
	benchmark_type:
	description: 'Type of benchmark to run'
	required: false
	default: 'all'
	type: choice
	options:
	- all
	- tinygo-only
	- rust-only
	- comparison

	env:
	BAZEL_VERSION: "8.4.0"

	jobs:
	# Performance benchmarking
	performance-benchmark:
	name: Performance Benchmark
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, macos-latest]

	steps:
	- name: Checkout code
	uses: actions/checkout@v5

	- name: Setup Bazel
	uses: bazel-contrib/[email protected]
	with:
	bazelisk-cache: true
	disk-cache: ${{ github.workflow }}
	repository-cache: true

	- name: Setup Go
	uses: actions/setup-go@v6
	with:
	go-version: '1.23'

	- name: Setup TinyGo
	uses: acifani/setup-tinygo@v2
	with:
	tinygo-version: "0.38.0"

	- name: Setup Rust
	uses: dtolnay/rust-toolchain@stable
	with:
	toolchain: "1.82.0"
	targets: wasm32-wasi

	- name: Install Performance Tools
	run: \|
	# Install hyperfine for benchmarking
	if [[ "${{ matrix.os }}" == "ubuntu-latest" ]]; then
	curl -Lo hyperfine.deb https://github.com/sharkdp/hyperfine/releases/download/v1.18.0/hyperfine_1.18.0_amd64.deb
	sudo dpkg -i hyperfine.deb
	elif [[ "${{ matrix.os }}" == "macos-latest" ]]; then
	brew install hyperfine
	fi

	# Use wasmtime from Bazel toolchain (registered in MODULE.bazel)
	# This ensures version consistency and reuses Bazel's cached download
	echo "Extracting wasmtime from Bazel toolchain..."

	# Get Bazel output base and wasmtime relative path
	OUTPUT_BASE=$(bazel info output_base 2>/dev/null)
	WASMTIME_REL=$(bazel cquery --output=files @wasmtime_toolchain//:wasmtime 2>/dev/null \| head -1)
	WASMTIME_PATH="$OUTPUT_BASE/$WASMTIME_REL"

	if [ -f "$WASMTIME_PATH" ]; then
	echo "Found wasmtime at: $WASMTIME_PATH"
	sudo cp "$WASMTIME_PATH" /usr/local/bin/wasmtime
	sudo chmod +x /usr/local/bin/wasmtime
	wasmtime --version
	else
	echo "Error: Could not find wasmtime binary from Bazel at: $WASMTIME_PATH"
	echo "Output base: $OUTPUT_BASE"
	echo "Relative path: $WASMTIME_REL"
	exit 1
	fi

	- name: Build All Components
	run: \|
	# Build TinyGo component (regular version)
	bazel build //tinygo:file_ops_component

	# Build platform-specific AOT precompiled component
	if [[ "${{ matrix.os }}" == "ubuntu-latest" ]]; then
	bazel build //tinygo:file_ops_aot_linux_x64
	elif [[ "${{ matrix.os }}" == "macos-latest" ]]; then
	bazel build //tinygo:file_ops_aot_darwin_arm64
	fi

	# Note: Rust implementation is not yet available
	# Future: Add Rust component builds when implemented

	- name: Create Performance Test Data
	run: \|
	mkdir -p perf_test_data

	# Create test files of various sizes
	dd if=/dev/zero of=perf_test_data/small.txt bs=1K count=1 # 1KB
	dd if=/dev/zero of=perf_test_data/medium.txt bs=1M count=1 # 1MB
	dd if=/dev/zero of=perf_test_data/large.txt bs=1M count=10 # 10MB

	# Create directory with many small files
	mkdir -p perf_test_data/many_files
	for i in {1..100}; do
	echo "File $i content" > perf_test_data/many_files/file_$i.txt
	done

	# Create JSON batch operation test file
	cat > perf_test_data/batch_ops.json <<EOF
	{
	"operations": [
	{"operation": "copy_file", "source": "perf_test_data/small.txt", "destination": "perf_test_data/small_copy.txt"},
	{"operation": "read_file", "source": "perf_test_data/medium.txt"},
	{"operation": "create_directory", "destination": "perf_test_data/test_dir"},
	{"operation": "list_directory", "source": "perf_test_data/many_files"}
	]
	}
	EOF

	- name: Benchmark TinyGo Implementation
	if: github.event.inputs.benchmark_type == 'all' \|\| github.event.inputs.benchmark_type == 'tinygo-only' \|\| github.event.inputs.benchmark_type == ''
	run: \|
	echo "## TinyGo Performance Benchmarks" >> perf_results.md
	echo "\| Operation \| Time (ms) \| Memory (MB) \| Notes \|" >> perf_results.md
	echo "\|-----------\|-----------\|-------------\|-------\|" >> perf_results.md

	# WebAssembly runtime benchmark using the component
	if command -v wasmtime &> /dev/null; then
	# Test the command first to see if it works
	echo "Testing WASM component execution..."
	if wasmtime run --dir=. bazel-bin/tinygo/file_ops_component.wasm copy_file --src perf_test_data/small.txt --dest perf_test_data/wasm_copy.txt; then
	echo "✅ WASM component test passed, running benchmarks..."

	# Run benchmark with proper error handling
	hyperfine --export-json tinygo_wasm_benchmark.json \
	--warmup 3 \
	--show-output \
	'wasmtime run --dir=. bazel-bin/tinygo/file_ops_component.wasm copy_file --src perf_test_data/small.txt --dest perf_test_data/wasm_copy.txt' \
	\|\| echo "⚠️ Benchmark failed but continuing" >> perf_results.md

	echo "✅ TinyGo component benchmarks completed" >> perf_results.md
	else
	echo "⚠️ WASM component test failed, skipping benchmarks" >> perf_results.md
	echo "Component may not be compatible with the test arguments" >> perf_results.md
	fi
	else
	echo "⚠️ wasmtime not available, skipping runtime benchmarks" >> perf_results.md
	fi

	- name: Benchmark TinyGo AOT Implementation
	if: github.event.inputs.benchmark_type == 'all' \|\| github.event.inputs.benchmark_type == 'tinygo-only' \|\| github.event.inputs.benchmark_type == ''
	run: \|
	echo "" >> perf_results.md
	echo "## TinyGo AOT Performance Benchmarks" >> perf_results.md
	echo "\| Operation \| Time (ms) \| Memory (MB) \| Notes \|" >> perf_results.md
	echo "\|-----------\|-----------\|-------------\|-------\|" >> perf_results.md

	# Determine AOT file path based on platform
	if [[ "${{ matrix.os }}" == "ubuntu-latest" ]]; then
	AOT_FILE="bazel-bin/tinygo/file_ops_aot_linux_x64.cwasm"
	elif [[ "${{ matrix.os }}" == "macos-latest" ]]; then
	AOT_FILE="bazel-bin/tinygo/file_ops_aot_darwin_arm64.cwasm"
	else
	echo "⚠️ Unsupported platform for AOT benchmarks" >> perf_results.md
	exit 0
	fi

	# WebAssembly AOT runtime benchmark
	if command -v wasmtime &> /dev/null; then
	# Test the AOT precompiled component first
	echo "Testing AOT precompiled component execution..."
	if wasmtime run --allow-precompiled --dir=. "$AOT_FILE" copy_file --src perf_test_data/small.txt --dest perf_test_data/wasm_aot_copy.txt; then
	echo "✅ AOT component test passed, running benchmarks..."

	# Run benchmark comparing regular vs AOT
	echo "### AOT vs Regular Comparison" >> perf_results.md

	# Benchmark AOT precompiled component
	hyperfine --export-json tinygo_aot_benchmark.json \
	--warmup 3 \
	--show-output \
	"wasmtime run --allow-precompiled --dir=. $AOT_FILE copy_file --src perf_test_data/small.txt --dest perf_test_data/wasm_aot_copy.txt" \
	\|\| echo "⚠️ AOT benchmark failed but continuing" >> perf_results.md

	# Extract and compare results
	if [ -f tinygo_wasm_benchmark.json ] && [ -f tinygo_aot_benchmark.json ]; then
	REGULAR_TIME=$(jq -r '.results[0].mean' tinygo_wasm_benchmark.json 2>/dev/null \|\| echo "N/A")
	AOT_TIME=$(jq -r '.results[0].mean' tinygo_aot_benchmark.json 2>/dev/null \|\| echo "N/A")

	echo "- Regular WASM: ${REGULAR_TIME}s" >> perf_results.md
	echo "- AOT WASM: ${AOT_TIME}s" >> perf_results.md

	# Calculate speedup if both values are available
	if [[ "$REGULAR_TIME" != "N/A" ]] && [[ "$AOT_TIME" != "N/A" ]]; then
	SPEEDUP=$(echo "scale=2; $REGULAR_TIME / $AOT_TIME" \| bc)
	echo "- Speedup: ${SPEEDUP}x faster with AOT" >> perf_results.md
	fi
	fi

	echo "" >> perf_results.md
	echo "✅ TinyGo AOT component benchmarks completed" >> perf_results.md
	else
	echo "⚠️ AOT component test failed, skipping benchmarks" >> perf_results.md
	fi
	else
	echo "⚠️ wasmtime not available, skipping AOT benchmarks" >> perf_results.md
	fi

	- name: Benchmark Rust Implementation
	if: (github.event.inputs.benchmark_type == 'all' \|\| github.event.inputs.benchmark_type == 'rust-only' \|\| github.event.inputs.benchmark_type == '') && hashFiles('rust/**') != ''
	run: \|
	echo "## Rust Performance Benchmarks" >> perf_results.md

	# File copy benchmarks
	hyperfine --export-json rust_copy_benchmark.json \
	--setup 'rm -f perf_test_data/rust_copy_target.txt' \
	'./bazel-bin/rust/file_ops_rust copy_file --src perf_test_data/small.txt --dest perf_test_data/rust_copy_target.txt'

	# JSON batch operation benchmark
	hyperfine --export-json rust_batch_benchmark.json \
	'./bazel-bin/rust/file_ops_rust process_json_batch --config perf_test_data/batch_ops.json'

	# WebAssembly runtime benchmark
	if command -v wasmtime &> /dev/null; then
	hyperfine --export-json rust_wasm_benchmark.json \
	'wasmtime run --dir=. bazel-bin/rust/file_ops_component_wasm.wasm copy_file --src perf_test_data/small.txt --dest perf_test_data/rust_wasm_copy.txt'
	fi

	- name: Performance Comparison Analysis
	if: github.event.inputs.benchmark_type == 'all' \|\| github.event.inputs.benchmark_type == 'comparison' \|\| github.event.inputs.benchmark_type == ''
	run: \|
	# Install jq for JSON processing
	if [[ "${{ matrix.os }}" == "ubuntu-latest" ]]; then
	sudo apt-get update && sudo apt-get install -y jq
	elif [[ "${{ matrix.os }}" == "macos-latest" ]]; then
	brew install jq
	fi

	echo "## 📊 Performance Comparison (${{ matrix.os }})" >> perf_results.md
	echo "" >> perf_results.md

	# Compare TinyGo vs Rust performance
	if [ -f tinygo_copy_benchmark.json ] && [ -f rust_copy_benchmark.json ]; then
	TINYGO_TIME=$(jq -r '.results[0].mean' tinygo_copy_benchmark.json)
	RUST_TIME=$(jq -r '.results[0].mean' rust_copy_benchmark.json)

	echo "### File Copy Performance" >> perf_results.md
	echo "- TinyGo: ${TINYGO_TIME}s" >> perf_results.md
	echo "- Rust: ${RUST_TIME}s" >> perf_results.md
	echo "" >> perf_results.md
	fi

	# Binary size comparison
	if [ -f bazel-bin/tinygo/file_ops_component.wasm ]; then
	TINYGO_SIZE=$(stat -c%s bazel-bin/tinygo/file_ops_component.wasm 2>/dev/null \|\| stat -f%z bazel-bin/tinygo/file_ops_component.wasm)
	echo "### Binary Size Comparison" >> perf_results.md
	echo "- TinyGo WASM: $(echo $TINYGO_SIZE \| awk '{print int($1/1024)}') KB" >> perf_results.md
	fi

	# Rust component not yet implemented
	# if [ -f bazel-bin/rust/file_ops_component.wasm ]; then
	# RUST_SIZE=$(stat -c%s bazel-bin/rust/file_ops_component.wasm 2>/dev/null \|\| stat -f%z bazel-bin/rust/file_ops_component.wasm)
	# echo "- Rust WASM: $(echo $RUST_SIZE \| awk '{print int($1/1024)}') KB" >> perf_results.md
	# fi

	- name: Upload Performance Results
	uses: actions/upload-artifact@v4
	with:
	name: performance-results-${{ matrix.os }}
	path: \|
	perf_results.md
	*_benchmark.json
	perf_test_data/
	retention-days: 30

	- name: Comment Performance Results on PR
	if: github.event_name == 'pull_request'
	uses: actions/github-script@v8
	with:
	script: \|
	const fs = require('fs');

	if (fs.existsSync('perf_results.md')) {
	const results = fs.readFileSync('perf_results.md', 'utf8');

	github.rest.issues.createComment({
	issue_number: context.issue.number,
	owner: context.repo.owner,
	repo: context.repo.repo,
	body: `## 🚀 Performance Benchmark Results\n\n${results}\n\n_Results from ${{ matrix.os }}_`
	});
	}

	# Memory and resource usage profiling
	resource-profiling:
	name: Resource Usage Profiling
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v5

	- name: Setup Bazel
	uses: bazel-contrib/[email protected]
	with:
	bazelisk-cache: true
	disk-cache: ${{ github.workflow }}
	repository-cache: true

	- name: Setup Go
	uses: actions/setup-go@v6
	with:
	go-version: '1.23'

	- name: Setup TinyGo
	uses: acifani/setup-tinygo@v2
	with:
	tinygo-version: "0.38.0"

	- name: Install Profiling Tools
	run: \|
	# Install memory profiling tools
	sudo apt-get update
	sudo apt-get install -y valgrind time

	# Install wasmtime with profiling support
	curl https://wasmtime.dev/install.sh -sSf \| bash
	echo "$HOME/.wasmtime/bin" >> $GITHUB_PATH

	- name: Build Components for Profiling
	run: \|
	bazel build //tinygo:file_ops_component

	- name: Profile WebAssembly Component Memory Usage
	run: \|
	echo "## Memory Usage Profiling" >> profile_results.md
	echo "" >> profile_results.md

	# Create test data
	dd if=/dev/zero of=profile_test.dat bs=1M count=5

	# Profile TinyGo WebAssembly component
	echo "### TinyGo Component (WASM)" >> profile_results.md
	/usr/bin/time -v wasmtime run --dir=. bazel-bin/tinygo/file_ops_component.wasm copy_file --src profile_test.dat --dest profile_copy.dat 2>&1 \| \
	grep -E "(Maximum resident set size\|User time\|System time)" >> profile_results.md \|\| echo "Profiling data not available" >> profile_results.md

	- name: Profile WebAssembly Runtime Memory
	run: \|
	echo "" >> profile_results.md
	echo "## WebAssembly Runtime Profiling (Detailed)" >> profile_results.md
	echo "" >> profile_results.md

	# Profile WASM component memory usage with detailed stats
	/usr/bin/time -v wasmtime run --dir=. bazel-bin/tinygo/file_ops_component.wasm copy_file --src profile_test.dat --dest wasm_profile_copy.dat 2>&1 \| \
	grep -E "(Maximum resident set size\|User time\|System time)" >> profile_results.md \|\| echo "Detailed profiling data not available" >> profile_results.md

	- name: Upload Profiling Results
	uses: actions/upload-artifact@v4
	with:
	name: resource-profiling-results
	path: \|
	profile_results.md
	retention-days: 30

	# Performance regression detection
	regression-detection:
	name: Performance Regression Detection
	runs-on: ubuntu-latest
	if: github.event_name == 'pull_request'

	steps:
	- name: Checkout PR
	uses: actions/checkout@v5

	- name: Checkout Base Branch
	run: \|
	git fetch origin ${{ github.base_ref }}
	git checkout origin/${{ github.base_ref }}
	mkdir -p baseline_results

	- name: Setup Tools
	uses: bazel-contrib/[email protected]
	with:
	bazelisk-cache: true
	disk-cache: ${{ github.workflow }}-baseline
	repository-cache: true

	- name: Setup Go
	uses: actions/setup-go@v6
	with:
	go-version: '1.23'

	- name: Setup TinyGo
	uses: acifani/setup-tinygo@v2
	with:
	tinygo-version: "0.38.0"

	- name: Install Hyperfine and Wasmtime
	run: \|
	# Install hyperfine for benchmarking
	curl -Lo hyperfine.deb https://github.com/sharkdp/hyperfine/releases/download/v1.18.0/hyperfine_1.18.0_amd64.deb
	sudo dpkg -i hyperfine.deb

	# Install wasmtime for WASM component execution
	curl https://wasmtime.dev/install.sh -sSf \| bash
	echo "$HOME/.wasmtime/bin" >> $GITHUB_PATH

	- name: Benchmark Baseline Performance
	run: \|
	bazel build //tinygo:file_ops_component

	# Create test data
	echo "Baseline test data" > baseline_test.txt

	# Benchmark baseline using WASM component
	hyperfine --export-json baseline_results/baseline_benchmark.json \
	--warmup 3 \
	'wasmtime run --dir=. bazel-bin/tinygo/file_ops_component.wasm copy_file --src baseline_test.txt --dest baseline_copy.txt'

	- name: Checkout PR Branch
	run: \|
	git checkout ${{ github.sha }}
	mkdir -p pr_results

	- name: Benchmark PR Performance
	run: \|
	bazel build //tinygo:file_ops_component

	# Benchmark PR changes using WASM component
	hyperfine --export-json pr_results/pr_benchmark.json \
	--warmup 3 \
	'wasmtime run --dir=. bazel-bin/tinygo/file_ops_component.wasm copy_file --src baseline_test.txt --dest pr_copy.txt'

	- name: Analyze Performance Regression
	run: \|
	# Install jq for JSON analysis
	sudo apt-get update && sudo apt-get install -y jq

	BASELINE_TIME=$(jq -r '.results[0].mean' baseline_results/baseline_benchmark.json)
	PR_TIME=$(jq -r '.results[0].mean' pr_results/pr_benchmark.json)

	# Calculate percentage change
	CHANGE=$(echo "scale=2; (($PR_TIME - $BASELINE_TIME) / $BASELINE_TIME) * 100" \| bc)

	echo "## 📈 Performance Regression Analysis" > regression_report.md
	echo "" >> regression_report.md
	echo "\| Metric \| Baseline \| PR \| Change \|" >> regression_report.md
	echo "\|--------\|----------\|----\| -------\|" >> regression_report.md
	echo "\| Execution Time \| ${BASELINE_TIME}s \| ${PR_TIME}s \| ${CHANGE}% \|" >> regression_report.md
	echo "" >> regression_report.md

	# Check for significant regression (>5% slower)
	if (( $(echo "$CHANGE > 5" \| bc -l) )); then
	echo "⚠️ Performance Regression Detected: ${CHANGE}% slower than baseline" >> regression_report.md
	echo "PERFORMANCE_REGRESSION=true" >> $GITHUB_ENV
	elif (( $(echo "$CHANGE < -5" \| bc -l) )); then
	echo "✅ Performance Improvement: ${CHANGE}% faster than baseline" >> regression_report.md
	else
	echo "✅ No Significant Change: Performance within acceptable range" >> regression_report.md
	fi

	- name: Comment Regression Analysis
	uses: actions/github-script@v8
	with:
	script: \|
	const fs = require('fs');

	if (fs.existsSync('regression_report.md')) {
	const report = fs.readFileSync('regression_report.md', 'utf8');

	const comment = await github.rest.issues.createComment({
	issue_number: context.issue.number,
	owner: context.repo.owner,
	repo: context.repo.repo,
	body: report
	});

	// Set as actionable comment if regression detected
	if (process.env.PERFORMANCE_REGRESSION === 'true') {
	await github.rest.reactions.createForIssueComment({
	owner: context.repo.owner,
	repo: context.repo.repo,
	comment_id: comment.data.id,
	content: 'eyes'
	});
	}
	}

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feat: register wasmtime toolchain in MODULE.bazel for centralized ver… #180

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feat: register wasmtime toolchain in MODULE.bazel for centralized ver… #180

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