Enhanced Knowledge Graph Memory Server

{ "phase": 6, "sprint": 1, "title": "Benchmark Foundation", "priority": "CRITICAL", "effort": "2.5 hours", "status": "completed", "impact": "Establishes baseline metrics for all optimizations - required to measure actual gains", "targetMetrics": { "deleteEntities": { "baseline": "TBD", "notes": "Measure before optimization" }, "addTags": { "baseline": "TBD", "notes": "Measure before optimization" }, "setImportance": { "baseline": "TBD", "notes": "Measure before optimization" }, "batchUpdate": { "baseline": "TBD", "notes": "Measure before optimization" } }, "tasks": [ { "id": 1, "category": "Tests", "description": "Create Performance Benchmark Test File - Create tests/performance/optimization-benchmarks.test.ts with benchmarks for deleteEntities, addTags, setImportance, and batchUpdate operations at various scales", "status": "completed", "estimatedHours": 1.5, "agent": "haiku", "files": ["tests/performance/optimization-benchmarks.test.ts"], "testCategories": [ "deleteEntities(100 from 1000)", "deleteEntities(500 from 2000)", "addTags(1 in 1000)", "addTags(50 sequential)", "setImportance(1 in 1000)", "batchUpdate(100 in 500)" ], "implementation": { "helpers": [ "createTestEntities(count, prefix) - Creates N test entities", "measureTime(fn) - Measures execution time of async function" ], "testCases": [ "should delete 100 entities from 1000 entity graph efficiently", "should delete 500 entities from 2000 entity graph", "should add tags with O(1) entity lookup", "should add tags to 50 entities sequentially", "should set importance with O(1) entity lookup", "should batch update 100 entities efficiently" ] }, "acceptanceCriteria": [ "Benchmark file created at tests/performance/optimization-benchmarks.test.ts", "All benchmarks run and log baseline times to console", "Benchmarks cover deleteEntities, addTags, setImportance, batchUpdate", "Tests pass with generous initial limits (500ms)", "Console output shows baseline performance numbers" ] }, { "id": 2, "category": "Documentation", "description": "Document Baseline Performance - Run benchmarks and record baseline metrics in docs/reports/PHASE_6_BASELINE_METRICS.md with analysis of current algorithmic complexity", "status": "completed", "estimatedHours": 0.5, "agent": "haiku", "files": ["docs/reports/PHASE_6_BASELINE_METRICS.md"], "testCategories": [], "implementation": { "sections": [ "Test Environment (machine specs, Node version)", "Baseline Measurements table (operation, parameters, time ms)", "Analysis of why current implementation is slow" ], "runCommand": "npx vitest run tests/performance/optimization-benchmarks.test.ts" }, "acceptanceCriteria": [ "Baseline metrics documented with actual measurements", "Document created at docs/reports/PHASE_6_BASELINE_METRICS.md", "Analysis explains current O(n²) complexity issues", "Version and date recorded for future comparison" ] }, { "id": 3, "category": "Verification", "description": "Verify NameIndex API - Confirm getEntityByName() exists in GraphStorage.ts, uses O(1) NameIndex, and is updated on mutations; Add verification tests to benchmark file", "status": "completed", "estimatedHours": 0.5, "agent": "haiku", "files": ["src/core/GraphStorage.ts", "tests/performance/optimization-benchmarks.test.ts"], "testCategories": [ "NameIndex O(1) lookup verification", "getEntityByName returns undefined for non-existent" ], "implementation": { "expectedFindings": [ "getEntityByName() exists at approximately line 609", "Uses this.nameIndex.get(name) for O(1) lookup", "Index is updated in rebuildIndexes() called after graph mutations", "Returns Entity | undefined" ], "verificationTests": [ "should have O(1) getEntityByName lookup (100 lookups < 1ms avg)", "should return undefined for non-existent entity" ] }, "acceptanceCriteria": [ "Confirmed getEntityByName() exists and signature documented", "Confirmed NameIndex is rebuilt after mutations", "Verification tests added to benchmark file", "Tests pass confirming O(1) behavior (<1ms per lookup)" ] } ], "successCriteria": [ "Benchmark test file created and all tests pass", "Baseline metrics documented with actual numbers", "NameIndex API verified and documented", "Ready for Sprint 2 and 3 optimizations" ], "filesCreated": [ "tests/performance/optimization-benchmarks.test.ts", "docs/reports/PHASE_6_BASELINE_METRICS.md" ], "filesModified": [], "totalNewTests": 10, "totalEstimatedHours": 2.5, "dependencies": [], "notes": "This sprint MUST be completed first. Without baseline metrics, we cannot verify that optimizations actually improve performance. The benchmarks should log times to console so we can compare before/after. NameIndex verification ensures we can safely use it in Sprint 3." }