📊 Performance Benchmarks
Comprehensive performance analysis of Rush Shell components and operations
📋 Latest Benchmark Report
🚀 Rush Shell Performance Benchmark Report
📈 Performance Analysis
Performance Distribution
Fastest Components
Optimization Opportunities
🧪 Benchmark Categories
Lexer Benchmarks
Tokenization performance for various command types
- Basic tokenization (simple commands)
- Complex tokenization (quotes, variables, expansions)
- Large input tokenization
Parser Benchmarks
AST construction speed for complex structures
- Basic command parsing
- Complex structure parsing (if/for/while/case)
- Function definition parsing
Executor Benchmarks
Command execution performance
- Built-in command execution
- External command execution
- Variable operations
Expansion Benchmarks
Variable and arithmetic expansion speed
- Variable expansion performance
- Arithmetic expansion performance
- Command substitution performance
Control Structure Benchmarks
If/for/while/case statement performance
- If statement execution
- Loop execution (for/while)
- Case statement execution
Pipeline Benchmarks
Pipe and redirection performance
- Simple pipeline execution
- Complex pipeline execution
- Pipeline with redirections
🎯 Running Benchmarks
Complete Benchmark Suite
# Run from benchmarks directory
cd benchmarks
mkdir -p target
cargo run --bin rush-benchmark
# Copy report to docs
cp target/benchmark_report.html ../docs/benchmark_report.htmlExecutes 20+ benchmark scenarios covering all major components
View HTML Report
# Serve locally from benchmarks directory
cd benchmarks
python3 -m http.server 8000 -d target/
# Visit http://localhost:8000/benchmark_report.htmlVisual report with detailed metrics and performance analysis
JSON Results
# Machine-readable results from benchmarks directory
cat benchmarks/target/benchmark_results.jsonStructured data for CI/CD integration and trend analysis
📊 Performance Monitoring
Regression Detection
Track performance changes over time and identify regressions during development
Optimization Validation
Verify performance improvements and ensure no regressions in execution speed
CI/CD Integration
Automated performance testing in build pipelines for continuous monitoring
Historical Tracking
JSON export enables trend analysis and long-term performance monitoring
💡 Recommendations
Performance Optimization
Some benchmarks are running slowly. Consider optimizing the slowest components identified in the benchmark report.
Regular Monitoring
Run benchmarks regularly to track performance trends over time and catch regressions early.
Focus Areas
Focus optimization efforts on the slowest benchmarks identified in the detailed results above.