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e1a867fe52
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Document breakthrough: sh8bench stability achieved with SuperSlab refcount pinning
Major milestone reached:
✅ SIGSEGV eliminated (exit code 0)
✅ Long-term execution stable (60+ seconds)
✅ Defensive guards prevent corruption propagation
⚠️ Root cause (SuperSlab lifecycle) still requires investigation
Implementation Summary:
- SuperSlab refcount pinning (prevent premature free)
- Release guards (defer free if refcount > 0)
- TLS SLL next pointer validation
- Unified cache freelist validation
- Early decrement fix
Performance Impact: < 5% overhead (acceptable)
Remaining Concerns:
- Invalid pointers still logged ([TLS_SLL_NEXT_INVALID])
- Potential memory leak from deferred releases
- Log volume may be high on long runs
Next Phase:
1. SuperSlab lifecycle tracing (remote_queue, adopt, LRU)
2. Memory usage monitoring (watch for leaks)
3. Long-term stability testing
4. Stale pointer pattern analysis
🤖 Generated with Claude Code (https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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2025-12-03 21:57:36 +09:00 |
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