ruvnet--ruflo/v3/@claude-flow/performance/__tests__

Performance Module Test Suite

Comprehensive test coverage for the @claude-flow/performance module, focusing on Flash Attention optimization and benchmark validation.

Test Files

1. attention.test.ts (42 tests, 494 lines)

Tests for FlashAttentionOptimizer class and related functions.

Coverage Areas:

Initialization (3 tests)

• Default and custom dimension initialization
• Initial metrics validation

optimize() Method (6 tests)

• Float32Array and number array input handling
• Execution time tracking
• Operation counting
• Multiple keys/values support
• Runtime detection (NAPI/WASM/JS)

benchmark() Method (6 tests)

• Benchmark execution
• Flash Attention performance measurement
• Baseline performance measurement
• Speedup calculation
• V3 target validation (2.49x minimum)
• Metrics tracking (peak speedup, success operations)

getSpeedup() Method (3 tests)

• Zero operations case
• Single benchmark speedup
• Average across multiple benchmarks

getMetrics() Method (5 tests)

• Initial metrics state
• Operation counting
• Average execution time calculation
• Success rate tracking
• Peak speedup tracking

resetMetrics() Method (2 tests)

• Metrics reset to zero
• Post-reset functionality

Memory Tracking (2 tests)

• Node.js memory tracking
• Graceful handling of missing memory API

Factory Functions (3 tests)

• createFlashAttentionOptimizer() with default/custom dimensions
• quickBenchmark() execution and validation

Performance Validation (3 tests)

• Speedup improvement demonstration
• Operations per second tracking
• V3 target validation (2.49x-7.47x)

Edge Cases (4 tests)

• Small dimensions (32D)
• Large dimensions (2048D)
• Single key/value pair
• Many keys/values (100+)

2. benchmarks.test.ts (52 tests, 516 lines)

Tests for AttentionBenchmarkRunner class and formatting utilities.

Coverage Areas:

runComparison() Method (9 tests)

• Default parameter execution
• Flash Attention performance measurement
• Baseline performance measurement
• Speedup calculation
• Target validation (2.49x)
• Timestamp inclusion
• Different dimensions (128, 256, 512, 1024)
• Varying key counts (10, 50, 100, 200)
• Execution time limits

runComprehensiveSuite() Method (6 tests)

• Suite execution
• Multiple dimension testing (5+ dimensions)
• Summary statistics (avg, min, max speedup)
• Success rate calculation
• Target tracking
• Timestamp inclusion

runMemoryProfile() Method (7 tests)

• Default dimensions profiling
• Multiple dimension profiling
• Flash Attention memory measurement
• Baseline memory measurement
• Memory reduction calculation
• Key count tracking
• Custom dimension arrays

runStressTest() Method (5 tests)

• Stress test execution
• Increasing load testing
• Dimension consistency
• High key count handling (up to 5000)
• Error handling

validateV3Targets() Method (5 tests)

• V3 target validation
• Minimum target check (2.49x)
• Maximum target check (7.47x)
• Valid speedup values
• Correct dimension usage (512)

Formatting Functions (7 tests)

• formatBenchmarkTable() output
• Target status display
• Success indicators (checkmarks)
• formatSuiteReport() generation
• Benchmark inclusion in reports
• Summary statistics display
• formatMemoryProfile() table generation

quickValidation() (2 tests)

• Validation execution
• Target meeting verification

Performance Validation (4 tests)

• Consistent speedup across runs
• Flash Attention performance improvement
• Cross-dimension validation
• Operations per second accuracy

Edge Cases (6 tests)

• Very small dimensions (32D)
• Very large dimensions (2048D)
• Minimal iterations (10)
• Many iterations (5000)
• Empty dimension arrays
• Single dimension arrays

Test Statistics

Total Test Files:     2
Total Tests:          94
Total Lines of Code:  1,010

Breakdown:
- attention.test.ts:   42 tests (494 lines)
- benchmarks.test.ts:  52 tests (516 lines)

All tests: PASSING ✓
Type Errors: 0

Running Tests

Run All Tests

npx vitest run __tests__/

Run Specific Test File

npx vitest run __tests__/attention.test.ts
npx vitest run __tests__/benchmarks.test.ts

Run with Coverage

npx vitest run __tests__/ --coverage

Watch Mode (Development)

npx vitest watch __tests__/

Verbose Output

npx vitest run __tests__/ --reporter=verbose

V3 Performance Targets Validated

The test suite validates against V3 performance targets:

• Flash Attention Speedup: 2.49x - 7.47x (minimum 2.49x)
• Memory Efficiency: Reduction tracking and validation
• Operations/Second: Throughput measurement and comparison
• Execution Time: <1s for optimization, reasonable benchmark times

Test Categories

1. Unit Tests: Individual function and method testing
2. Integration Tests: Component interaction testing
3. Performance Tests: Speedup and efficiency validation
4. Edge Case Tests: Boundary conditions and error handling
5. Formatting Tests: Output formatting validation

Key Features Tested

• Flash Attention optimization with multiple runtimes (NAPI/WASM/JS)
• Benchmark comparison vs baseline (DotProductAttention)
• Memory tracking and profiling
• Comprehensive suite execution across dimensions
• Stress testing with high key counts
• V3 performance target validation
• Metrics tracking (speedup, execution time, success rate)
• Multiple dimension support (32D - 2048D)
• Flexible input formats (Float32Array, number arrays)

Quality Metrics

• Test Coverage: Comprehensive coverage of all public APIs
• Test Quality: Mix of unit, integration, and performance tests
• Edge Cases: Small/large dimensions, minimal/many iterations
• V3 Alignment: All tests validate against V3 performance targets
• TDD Approach: Tests follow London School methodology

Next Steps

To improve coverage further, consider:

1. Add tests for benchmark.ts framework functions
2. Add integration tests with real-world workloads
3. Add regression tests with baseline data
4. Add cross-platform runtime tests (NAPI vs WASM vs JS)
5. Add memory leak detection tests
6. Add concurrent execution tests

Dependencies

• Vitest: Test framework (^1.0.0)
• @ruvector/attention: Flash Attention implementation
• TypeScript: Type checking during tests

---

Last Updated: 2026-01-04 Test Suite Version: 1.0.0