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b8ed2b05b4
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Phase 6-2.6: Fix slab_data_start() consistency in refill/validation paths
Problem:
- Phase 6-2.5 changed SUPERSLAB_SLAB0_DATA_OFFSET from 1024 → 2048
- Fixed sizeof(SuperSlab) mismatch (1088 bytes)
- But 3 locations still used old slab_data_start() + manual offset
This caused:
- Address mismatch between allocation carving and validation
- Freelist corruption false positives
- 53-byte misalignment errors resolved, but new errors appeared
Changes:
1. core/tiny_tls_guard.h:34
- Validation: slab_data_start() → tiny_slab_base_for()
- Ensures validation uses same base address as allocation
2. core/hakmem_tiny_refill.inc.h:222
- Allocation carving: Remove manual +2048 hack
- Use canonical tiny_slab_base_for()
3. core/hakmem_tiny_refill.inc.h:275
- Bump allocation: Remove duplicate slab_start calculation
- Use existing base calculation with tiny_slab_base_for()
Result:
- Consistent use of tiny_slab_base_for() across all paths
- All code uses SUPERSLAB_SLAB0_DATA_OFFSET constant
- Remaining freelist corruption needs deeper investigation (not simple offset bug)
Related commits:
- d2f0d8458: Phase 6-2.5 (constants.h + 2048 offset)
- c9053a43a: Phase 6-2.3~6-2.4 (active counter + SEGV fixes)
🤖 Generated with Claude Code
Co-Authored-By: Claude <noreply@anthropic.com>
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2025-11-07 22:34:24 +09:00 |
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52386401b3
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Debug Counters Implementation - Clean History
Major Features:
- Debug counter infrastructure for Refill Stage tracking
- Free Pipeline counters (ss_local, ss_remote, tls_sll)
- Diagnostic counters for early return analysis
- Unified larson.sh benchmark runner with profiles
- Phase 6-3 regression analysis documentation
Bug Fixes:
- Fix SuperSlab disabled by default (HAKMEM_TINY_USE_SUPERSLAB)
- Fix profile variable naming consistency
- Add .gitignore patterns for large files
Performance:
- Phase 6-3: 4.79 M ops/s (has OOM risk)
- With SuperSlab: 3.13 M ops/s (+19% improvement)
This is a clean repository without large log files.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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2025-11-05 12:31:14 +09:00 |
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