Key findings from 2025-12-05 session:
1. HAKMEM vs mimalloc: 27x slower (4.5M vs 122M ops/s)
2. Root cause investigation: madvise 1081 calls vs mimalloc 0 calls
3. madvise disable test: -15% performance (worse, not better!)
4. Conclusion: MADV_POPULATE_WRITE is actually helping, not hurting
5. ChatGPT was right: time to move to user-space optimization phase
Reports added:
- WORKLOAD_COMPARISON_20251205.md
- PARTIAL_RELEASE_INVESTIGATION_REPORT_20251205.md
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
